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Article

Beef Consumption Is Associated with Higher Intakes and Adequacy of Key Nutrients in Older Adults Age 60+ Years: National Health and Nutrition Examination Survey 2011–2018 Analysis

by
Sanjiv Agarwal
1,* and
Victor L. Fulgoni III
2
1
NutriScience, LLC, East Norriton, PA 19403, USA
2
Nutrition Impact, LLC, Battle Creek, MI 49014, USA
*
Author to whom correspondence should be addressed.
Nutrients 2024, 16(11), 1779; https://doi.org/10.3390/nu16111779
Submission received: 15 May 2024 / Revised: 29 May 2024 / Accepted: 3 June 2024 / Published: 6 June 2024

Abstract

:
Beef is an important source of high-quality protein and several micronutrients, including iron, zinc, and B vitamins. We determined beef intake and its relationship with intakes of nutrients and their adequacy using 24 h dietary recall data from 5868 older adults. Usual intakes from foods were determined using the National Cancer Institute method, and the percent of the population below the estimated average requirement or above adequate intake was estimated. A high percentage of older adults did not meet nutrient recommendations for vitamin D (96%), choline (96%), vitamin E (84%), potassium (70%), calcium (63%), magnesium (60%), vitamin C (46%), vitamin A (39%), zinc (21%), vitamin B6 (19%), and folate (15%). About 68% of older adults were beef consumers with a mean intake of 56 g/day. Beef consumers had higher (p < 0.05) intakes of energy, protein, calcium, iron, phosphorus, selenium, sodium, zinc, thiamin, riboflavin, niacin, vitamin B12, and choline, and a higher (p < 0.05) proportion met nutrient recommendations for protein, calcium, copper, zinc, thiamin, folate, and vitamin B12 than non-consumers. Consumers of fresh, ground, and processed beef also had generally higher intakes and lower inadequacies of many nutrients depending on the beef type. In conclusion, older adults generally had poor nutrient adequacy from their diets, while beef consumers had higher nutrient intakes and adequacy for certain key nutrients, which are inherently generally available from beef or from foods consumed with beef.

1. Introduction

The population of older adults age 60+ years is continuously increasing worldwide and is projected to increase from 1 billion people in 2019 to 1.4 billion by 2030 and 2.1 billion by 2050 [1]. The population of older Americans (age 65+ years) is also projected to increase by 47% from 58 million in 2022 to 82 million by 2050 [2]. The aging process is associated with several physical, physiological, and cognitive changes in the body. Therefore, this anticipated increase in the older adult population is expected to potentially create additional healthcare and support services requirements, as 23% of the global burden of disease is attributable to health issues of older people [3].
Adequate nutrition throughout the lifespan helps prevent chronic disease and supports healthy aging. Older adults are also at greater risk of chronic diseases and health conditions related to changes in muscle and bone mass. Although they generally have lower calorie needs because of their less active lifestyle and slower metabolism, their nutrient needs are similar or even higher compared to younger adults because of changes in their body composition due to aging, less efficient ability to absorb nutrients, and lower ability to utilize many nutrients [4]. Therefore, following a healthy dietary pattern that includes nutrient-dense foods and maintaining adequate nutritional status is particularly important to this age group. However, many older adults consume less food and skip meals, resulting in suboptimal intakes of energy and key nutrients [5,6]. A significant proportion of American adults, including older adults, under-consume calcium, magnesium, zinc, vitamin A, vitamin C, vitamin D, vitamin E, vitamin K, and choline [7]. The Dietary Guidelines for Americans 2020–2025 have also indicated that older adults do not consume enough fiber, calcium, potassium, and vitamin D (“nutrients of public health concern”) and are also at increased risk for inadequate intakes of protein and vitamin B12 [8].
In the American diet, beef is a common food and is an important source of high-quality animal protein and several key micronutrients, including highly bioavailable iron, zinc, and B vitamins [9,10,11,12]. Lean meat (including beef) consumption as part of an overall healthy diet has been recommended by the Dietary Guidelines for Americans 2020–2025 [8]. Intake of lean beef contributed to the intake of energy and key nutrients [13] and was associated with higher intakes of protein and key micronutrients [14,15]. We recently reported that the intake of beef makes a significant contribution to daily dietary intakes of protein, B vitamins, zinc, and iron in the diet [16].
Beef and other animal foods can be a source of bioavailable nutrients commonly lacking around the world and can make important contributions to food/nutrition security. Animal food production can have environmental impacts, but it depends on local situations. Beal et al. [17] concluded animal foods “… do play important and distinct roles in achieving healthy and sustainable food systems in different contexts worldwide and will continue to do so for the foreseeable future. Efforts are needed to ensure best practices of production, curb excess consumption where high, and sustainably increase consumption where low”.
We hypothesize that since older adults have higher needs and suboptimal nutrient intakes, the intake of beef as a rich source of high-quality protein and key micronutrients would improve nutrient intakes and nutrient adequacy. Therefore, the objective of the present research was to assess the association of beef (including fresh, ground, and processed beef) intake with nutrient intake and the proportion of older adults meeting nutrient recommendations using the National Health and Nutrition Examination Survey (NHANES) data.

2. Materials and Methods

2.1. Database and Study Population

We used NHANES 2011–2018 data for the present analysis. NHANES is a continuous cross-sectional survey conducted by the National Center for Health Statistics of the Centers for Disease Control and Prevention (CDC). Data are based on a complex stratified multistage cluster sampling probability design to provide a nationally representative population to monitor food/nutrient intake and the health status of the US population [18]. We combined the data from older adults age 60+ years participating in the NHANES 2011–2012, 2013–2014, 2015–2016, and 2017–2018 cycles for the present analyses. NHANES participants were interviewed in their homes for demographic, socioeconomic, dietary (24 h dietary recall), and general health information, followed by a comprehensive health examination conducted in a mobile examination center. A detailed description of the subject recruitment, survey design, and data collection procedures is available online [18]. The total number of older adult subjects age 60+ years for this study was 5868 (representing 63.6 million older adults) after the exclusion of subjects who were missing their first or second day of 24 h dietary recall data. NHANES research protocol was approved by the National Center for Health Statistics Research Ethics Review Board, and signed written informed consent forms were collected from all participants. The present study did not require any additional approvals by institutional review boards since this was a secondary data analysis that lacked personal identifiers. Additionally, NHANES has stringent consent protocols and procedures to ensure the confidentiality and protection of participants from identification. All data analyzed in the present study are publicly available in the Center for Disease Control and Prevention repository https://www.cdc.gov/nchs/nhanes/index.htm (accessed on 10 December 2023).

2.2. Dietary Intake

Dietary intakes from foods only (dietary supplement intakes were not included) were estimated using 2 days of 24 h dietary recall interviews that were administered by automated, multiple-pass (AMPM) method [19]. A trained dietary interviewer collected detailed information on all foods and beverages consumed by respondents in the previous 24 h period (midnight to midnight), which was followed by a second dietary recall phone interview for most subjects 3 to 10 days after the first dietary interview as part of the NHANES examination. USDA Food and Nutrient Database for Dietary Studies (FNDDS) was used to determine nutrient intakes for each NHANES cycle [20].

2.3. Beef Intake

Beef intakes were assessed using methods previously reported [16] and briefly summarized here. First, we used the FNDDS food codes to determine the amount of beef contained in survey foods and the NHANES cycle-specific USDA Food Patterns Equivalents Database (FPED), which also includes the Food Patterns Equivalents Ingredient Database (FPID) to perform recipe calculations for beef items used as ingredients [20]. The FPID descriptions were examined to determine the proportion of beef in the ingredient: 100% if entirely beef, 50% or 33% if the description indicated one or two other meat types in addition to beef, respectively. For some FNDDS food codes that contained ingredients with missing FPID or food codes for beef, the food code ingredient profile was modified either by using a food code from another NHANES cycle or by using another ingredient code with a similar description. Fresh beef and processed beef were defined by using “pf_meat” and “pf_curedmeat” FPED components, and ground beef was determined based on the ingredient description of beef containing ingredients (i.e., ground beef or similar term) [21]. Beef included fresh, ground, and processed beef. Consumers were defined as those older adults age 60+ years who consumed any amount of beef on either of the two days of dietary recalls, and non-consumers were those who did not consume any amount of beef on either of the two days of dietary recalls.

2.4. Statistics

We used SAS 9.4 (SAS Institute, Cary, NC, USA) software for all statistical analyses, and we used two days of dietary weights, strata, and primary sampling units (PSU) to adjust the data for the complex sampling design of NHANES and to provide national representative results. The National Cancer Institute (NCI) method was used to estimate the distributions of usual nutrient intakes [22], and the cut-point method (except for iron, where we used the probability method) was used to estimate the percentage population below the estimated average requirement (EAR) or above the adequate intake (AI) [23]. Data are presented as mean ± standard error; differences between non-consumers and consumers were assessed using t-tests with p < 0.05 deemed significant.

3. Results

3.1. Beef Intake

About 68% of older adults age 60+ years were beef consumers with a mean intake of 56.1 ± 1.3 g/day (1.98 oz/day) among consumers; mean per capita beef intake was 38.3 ± 1.1 g/day (1.35 oz/day), which has remained unchanged (Plinear trend > 0.05) over the last 16 years among older adults in the US, as previously reported [24].

3.2. Demographics

The demographic characteristics of older adults age 60+ years participating in NHANES 2011–2018 are presented in Table 1. The mean age of older adult participants was about 70 years, and almost half were male. More than three-quarters of participants were non-Hispanic white. More than two-thirds of older adults had a household income poverty income ratio (PIR) above 1.85. More than a third of participants had a high school education, slightly less than a third of participants had some post-high school education, and slightly less than a third of participants had at least a Bachelor’s degree. Over 40% of older adults were moderately active, 26% were vigorously active, and 31% were sedentary (based on responses to a physical activity questionnaire). About half of the participants never smoked, and over three-quarters of the participants were overweight or obese (Table 1). There were only a few sporadic and small in magnitude demographic differences between beef non-consumers and consumers. Beef consumers were more likely to be male, non-Hispanic White, and current smokers, and less likely to be Hispanic, non-Hispanic Black, non-Hispanic Asian, have a household income of PIR < 1.35, and non-smokers.

3.3. Nutrient Intakes and Adequacy

The current (2011–2018) usual intakes of nutrients and percentage below the EAR or above the AI among older adults age 60+ years are presented in Table 2. Nutrient inadequacy prevalence was high among older adults with over three-quarters of older adults with intakes below the EAR for vitamin D (96%) and vitamin E (84%); over half of older adults had intakes below the EAR for calcium (63%) and magnesium (60%); over a third of older adults had intakes below the EAR for vitamin C (46%) and vitamin A (39%); about 20% of older adults had intakes below the EAR for zinc (21%) and vitamin B6 (19%); and more than 10% of older adults had intakes below the EAR for folate (15%). Additionally, only about 30% of older adults were meeting the AI for potassium, and less than 5% were meeting the AI for choline. Almost all older adults had intakes above the AI for sodium.

3.4. Association of Beef Intake with Nutrient Intake and Adequacy

Beef intake among older adult consumers was associated with higher usual intakes of energy (+13%), protein (+12%), and several key vitamins and minerals (Table 3). Older adult consumers of beef had higher intakes of calcium (+11%), iron (+11%), phosphorus (+7%), selenium (+10%), zinc (+27%), thiamine (+7%), riboflavin (+9%), niacin (+8%), vitamin B12 (+23%), and choline (+8%) than the non-consumers. However, consumers also had higher intakes of sodium (+17%) and lower intakes of vitamin C (−10%) than non-consumers (Table 3).
Consequently, a greater proportion of older adult beef consumers met recommendations for protein (+4% units), calcium (+12% units), copper (+5% units), zinc (+29% units), thiamin (+5% units), folate (+9% units) and vitamin B12 (+11% units). Smaller, but statistically significant, differences among proportions of beef consumers and non-consumers meeting recommendations were also found for iron (+3% units), phosphorus (+1% unit), selenium (+2% units), and riboflavin (+2% units). However, a greater proportion of beef consumers exceeded the AI for sodium (+2% units) and failed to meet nutrient recommendations for magnesium (7% units) and vitamin C (7% units) compared to non-consumers (Table 3; Figure 1).

3.5. Intake of Different Beef Types

About 60%, 39%, and 24% of older adults age 60+ years were consumers of fresh beef, ground beef, and processed beef, respectively, and their mean intakes were 54.7 ± 1.5 g/day, 40.8 ± 1.3 g/day, and 23.6 ± 1.0 g/day (1.93 oz/day, 1.44 oz/day, and 0.83 oz/day), respectively. Mean per capita intakes of fresh beef, ground beef, and processed beef were 32.7 ± 1.2 g/day, 16.1 ± 0.7 g/day, and 5.62 ± 0.35 g/day (1.15 oz/day, 0.57 oz/day, and 0.20 oz/day), respectively. The per capita mean intake of different types of beef has remained unchanged (Plinear trend > 0.05) over the last 16 years among older adults in the US, as previously reported [24].

3.6. Effect of Different Beef Types Intake on Nutrient Intake and Adequacy

Consumers of fresh beef had higher intakes of energy (+11%), protein (+12%), calcium (+8%), iron (+12%), phosphorus (+7%), potassium (+6%), selenium (+10%), sodium (+14%), zinc (+29%), thiamin (+7%), riboflavin (+11%), niacin (+9%), vitamin B12 (+25%), and choline (+10%) than non-consumers. A higher percentage of fresh beef consumers also met nutrient recommendations for protein (+4% units), calcium (+9% units), copper (+6% units), iron (+3% units), phosphorus (+1% unit), selenium (+2% units), sodium (+2% units exceeding AI), zinc (+33% units), thiamin (+5% units), riboflavin (+2% units), niacin (+3% units), folate (+10% units), and vitamin B12 (11% units) compared to non-consumers (Table 4).
Consumers of ground beef also had higher intakes of energy (+14%), protein (+10%), calcium (+14%), copper (+8%), iron (+13%), magnesium (+5%), phosphorus (+9%), potassium (+7%), selenium (+9%), sodium (+15%), zinc (+24%), thiamin (+10%), riboflavin (+11%), niacin (+10%), folate (+9%), vitamin B12 (+22%) and choline (+7%); and a higher percentage of ground beef consumers met recommendations for protein (+2% units), calcium (+14% units), copper (+6% units), iron (+2% units), phosphorus (+1% unit), potassium (+5% units), selenium (+1% unit), sodium (+2% units exceeding AI), zinc (+24% units), thiamin (+6% units), riboflavin (+2% units), niacin (+2% units), folate (+11% units) and vitamin B12 (+6% units) compared to non-consumers (Table 5).
Similarly, consumers of processed beef had higher intakes of energy (+11%), protein (+6%), calcium (+8%), iron (+8%), phosphorus (+5%), selenium (+10%), sodium (+17%), zinc (+8%), thiamin (+7%), riboflavin (+6%), vitamin B12 (+12%), and choline (+6%); and lower intake of vitamin C (−14%) than non-consumers. A higher percentage of processed beef consumers also met recommendations for protein (+2% units), calcium (+9% units), iron (+1% unit), selenium (+1% unit), sodium (+2% units exceeding AI), zinc (+10% units), and vitamin B12 (+5% units) while a lower proportion met nutrient recommendations for magnesium (−9% units), potassium (−7% units), vitamin C (−13% units), and vitamin D (−3% units) compared to non-consumers (Table 6).

4. Discussion

This is probably the first report to investigate the association between beef intake and nutrient adequacy in a nationally representative population of American older adults age 60+ years. The results of the present analysis of NHANES cross-sectional data indicate that older adult beef consumers have higher intakes and lower prevalence of inadequacies of key micronutrients, including many “under-consumed nutrients” and “nutrients of public health concern” compared to beef non-consumers. Results for most nutrients are also similar for fresh beef and ground beef consumers.
We found a high prevalence of not meeting nutrient recommendations (estimated as a large percentage of the population below the EAR or a small percentage of the population above the AI) for choline, vitamin D, vitamin E, potassium, calcium, and magnesium among the majority of older adults. We also found inadequate intakes of vitamin C, vitamin A, zinc, vitamin B6, and folate in the present cross-sectional analysis of dietary intakes of 5868 older adults who participated in NHANES 2011–2018 (representing about 64 million American older adults). Others have also found similar high prevalence of nutritional inadequacies for several vitamins and minerals among older adults [4,7,25,26,27,28]. Several of these micronutrients mentioned above have been associated with impaired immune function, muscle strength, and physical performance in older adults [29,30]. Older adults generally have lower calorie needs and tend to eat less, but their nutrient needs are similar or even higher than younger adults. Therefore, maintaining a nutrient-dense diet is critically important for them.
In the present analysis, the older adult consumers of beef had higher intakes of energy, protein, calcium, iron, phosphorus, selenium, zinc, thiamin, riboflavin, niacin, vitamin B12, and choline. Calcium is a nutrient of concern for all population groups, including older adults, and protein and vitamin B12 are nutrients of special consideration for older adults [8]. Although energy intake among both consumers and non-consumers of beef was below or at the lower side of recommended energy intake for moderately active older adults [8], the 13% higher energy intake (2008 kcal/day vs. 1775 kcal/day) among consumers than non-consumers suggests that beef consumption may help older adults to maintain calorie intake.
Beef consumers also had a lower inadequacy prevalence for calcium, copper, iron, phosphorus, selenium, zinc, thiamin, riboflavin, niacin, folate, and vitamin B12, but a higher prevalence of inadequacy for magnesium and vitamin C compared to non-consumers. While the observed differences in the percent population not meeting nutrient recommendations (% population below the EAR) between older adult beef consumers and non-consumers for zinc, calcium, and vitamin B12 were more than 10% units, the differences for other nutrients were in mid-single digits (see Table 3). Since we used population-weighted nationally representative data, a sample size of 5868 represented 63.6 million older adults, of which 20.2 million (sample size 2072) were non-consumers and 43.5 million (sample size 3796) were consumers of beef and a 1% unit change in prevalence of meeting nutritional requirement among consumers would translate to 0.435 million (435 thousand) older adults. The results of a decrease in proportion of older adult population below the EAR for zinc from 41.5% among non-consumers to 12.1% among beef consumers suggest that about 5.94 million older adult non-consumers would no longer be below the EAR for zinc by incorporating beef into their diet and consuming a food pattern similar to beef consumers in this study [calculated as 29.4% (difference in consumer and non-consumers for nutrient adequacy for zinc) times 20.2 million (the population of non-consumers)]. Similarly, we also estimated that by incorporating beef into their diets and consuming an overall diet similar to that of beef consumers in this study, about 0.81, 2.46, 0.97, 0.98, 0.39, 1.84 and 2.31 million older adult non-consumers would potentially be at or above the EAR for intakes of protein, calcium, copper, thiamin, riboflavin, folate, and vitamin B12, respectively.
Interestingly, while beef consumers had significantly higher intakes of choline than non-consumers, the difference in the prevalence of the proportion of the population above the AI did not reach statistical significance. Similarly, beef consumers had a lower prevalence of inadequacy of folate than non-consumers, while the differences in their intakes did not reach statistical significance.
We could not find any other studies examining nutrient intake or adequacy (percentage below the EAR/above the AI) among older adults separated by beef consumption. Although beef has been shown to contribute a significant amount of nutrients in the diets of American adults [13,16] and its consumption was associated with higher nutrient intakes and adequacies in some US population groups [14,15,31], none of these studies specifically analyzed beef intake and nutrition adequacy among a population of older adults age 60+ years. A cross-sectional study of an older adult population did not find any association between beef consumption and zinc, vitamin B12, or iron concentration in the blood [32]. However, this study did not analyze the nutrient intake or nutrient adequacy.
Consumers of different types of beef (fresh beef, ground beef, and processed beef) also generally had higher intakes of energy, protein, calcium, phosphorus, selenium, sodium, zinc, thiamin, riboflavin, vitamin B12, and choline than their respective non-consumers. A higher prevalence of meeting nutrient recommendations for protein, calcium, copper, iron, phosphorus, potassium, selenium, zinc, thiamin, riboflavin, niacin, folate, and vitamin B12 was also noted among consumers of fresh, ground, and processed beef than their respective non-consumers. However, the differences in prevalence above the AI for potassium for fresh beef and for copper, phosphorus, thiamin, riboflavin, and niacin for processed beef were not statistically significant in consumers of processed beef. Additionally, processed beef consumers had a lower prevalence of adequacy for magnesium, vitamin C, and vitamin D compared to non-consumers. This is also the first study that examined the intake of different types of beef (fresh beef, ground beef, and processed beef) in relation to their contribution to nutrient adequacy in a nationally representative US older adult population. In an analysis of NHANES 2011–2018, we recently reported that beef (including lean fresh beef, ground beef, and processed beef) contributes to energy, protein, and several key micronutrients in the diet of American adults [16].
It is interesting to note that beef intake was associated with higher intakes and lower prevalence of inadequacy of calcium in older adults in the current study. This is probably due to the overall dietary pattern, possible differences in intake of food groups, and likely more dairy consumption, since beef is generally not considered a source of calcium and only contributes a small amount in the diet [16]. Regardless of beef being a part of diets, there is still considerable opportunity for improvement of nutrient intake to decrease nutrient inadequacy in this population.
The major strengths of our study included the use of a large nationally representative, population-based sample achieved through combining several years of NHANES data sets and the use of the NCI method to assess usual intake and the percentage of the population below the EAR or above the AI. Additionally, we used previously published methods for determining foods containing beef and, therefore, beef consumers [16]. The present study also analyzed the association of different beef types (fresh, ground, and processed) with nutrient intake and adequacy. A major limitation of the current study, as with any cross-sectional study, is the inability to determine a cause-and-effect relationship or the long-term dietary effects. There is a potential for bias in the use of memory-based self-reported dietary recalls [33]. Although 24 h dietary recalls collected on two different days were utilized in this study, there is a possibility that participants consumed beef on other days, which would result in underestimating the mean intake of beef and beef consumers. Associations between beef intake and nutrient intakes or adequacies, as noted in the present analysis, may also be due to the differences in the intake of other foods. Additionally, we assessed the nutrient intakes from foods only and did not include intakes from dietary supplements.

5. Conclusions

The results show that beef consumption was associated with higher nutrient intake and a greater proportion of those meeting nutrient recommendations in US older adults for certain key nutrients, including some “nutrients of public health concern”, suggesting that beef may play a vital role in reducing the incidence of under-nutrition in this population. Additionally, the intakes of different beef types (fresh, ground, and processed) were also associated with higher nutrient intakes and prevalence of adequacy for several nutrients. The results suggest that care should be taken to ensure that the dietary recommendations to limit or reduce beef, for any reason, can replace nutrients that could be expected to be provided by beef (e.g., iron, phosphorus, choline, protein, zinc, and vitamin B12) in older adults. The long-term impact of beef consumption on diet quality, nutrient intake, and health promotion needs to be examined in future studies.

Author Contributions

S.A. participated in the formulation of the research question, interpretation of the data, drafting of the manuscript, revision of the manuscript, and the approval of the final version. V.L.F.III participated in the formulation of the research question, design of analyses, NHANES dietary data analysis, statistical analysis, interpretation of the data, revision of the manuscript, and the approval of the final version. All authors have read and agreed to the published version of the manuscript.

Funding

This work was supported by The Beef Checkoff.

Institutional Review Board Statement

NHANES survey protocol was approved by the Research Ethics Review Board at the NCHS, and written informed consent was obtained from all participants before data collection. Since this study was a secondary analysis of de-identified publicly available data, it did not require further institutional review.

Informed Consent Statement

The data used for this manuscript were from the National Health and Nutrition Examination Survey (NHANES) 2001–2018, and all participants or proxies provided written informed consent.

Data Availability Statement

The datasets analyzed in this study are available in the Center for Disease Control and Prevention repository; available online: http://www.cdc.gov/nchs/nhanes/ (accessed on 10 December 2023).

Conflicts of Interest

S.A., as Principal of NutriScience LLC performs, consulting for various food and beverage companies and related entities. V.L.F.III, as Senior Vice President of Nutrition Impact, LLC, performs consulting and database analyses for various food and beverage companies and related entities.

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Figure 1. Difference in percent older adults age 60+ years beef consumers and non-consumers with usual intakes below estimated average requirement (EAR) or above adequate intake (AI). Beef consumers were those older adults who consumed any amount of beef on either of the two days of dietary recalls, and non-consumers were those who did not. * significant difference from non-consumers at p < 0.05.
Figure 1. Difference in percent older adults age 60+ years beef consumers and non-consumers with usual intakes below estimated average requirement (EAR) or above adequate intake (AI). Beef consumers were those older adults who consumed any amount of beef on either of the two days of dietary recalls, and non-consumers were those who did not. * significant difference from non-consumers at p < 0.05.
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Table 1. Demographics of older adults age 60+ years associated with beef consumption, NHANES 2011–2018 data.
Table 1. Demographics of older adults age 60+ years associated with beef consumption, NHANES 2011–2018 data.
Total PopulationBeef
Non-ConsumersConsumersp Value
Sample N586820723796
Population N63,614,93120,160,05443,454,877
Age (mean)69.6 ± 0.270.0 ± 0.369.4 ± 0.20.1011
Gender (% Male)46.4 ± 0.838.8 ± 1.549.9 ± 1.3<0.0001
Ethnicity
 Hispanic (%)7.95 ± 0.879.37 ± 1.047.29 ± 0.920.0203
 Non-Hispanic White (%)77.6 ± 1.572.1 ± 2.180.2 ± 1.6<0.0001
 Non-Hispanic Black (%)8.49 ± 0.8610.16 ± 1.117.71 ± 0.860.0073
 Non-Hispanic Asian (%)3.92 ± 0.416.72 ± 0.842.63 ± 0.33<0.0001
 Other (%)2.00 ± 0.281.64 ± 0.332.16 ± 0.400.3410
Poverty Income Ratio (PIR)
 <1.35 (%)17.4 ± 1.020.4 ± 1.516.1 ± 1.00.0033
 1.35 ≤ 1.85 (%)11.1 ± 0.910.2 ± 0.911.4 ± 1.10.3171
 >1.85 (%)71.5 ± 1.569.4 ± 1.972.5 ± 1.70.1112
Education
 ≤High School (%)38.3 ± 1.338.0 ± 1.538.5 ± 1.50.7879
 Some post-high school education (%)29.8 ± 1.329.0 ± 1.730.2 ± 1.40.5153
 ≥Bachelor’s degree (%)31.9 ± 1.733.0 ± 1.931.4 ± 2.10.4636
Physical Activity
 Sedentary (%)30.8 ± 1.131.7 ± 1.730.5 ± 1.30.5373
 Moderate (%)43.6 ± 1.243.5 ± 1.943.7 ± 1.40.9392
 Vigorous (%)25.5 ± 1.124.8 ± 1.625.8 ± 1.30.6037
Smoking Never (%)49.8 ± 1.153.3 ± 1.848.2 ± 1.20.0125
Smoking Current (%)11.6 ± 0.69.7 ± 1.012.5 ± 0.70.0244
Overweight (%)35.4 ± 1.233.0 ± 1.736.5 ± 1.40.1046
Obese (%)40.5 ± 1.439.2 ± 2.141.1 ± 1.60.4506
Beef consumers were those older adults who consumed any amount of beef on either of the two days of dietary recalls, and non-consumers were those who did not. Data are presented as mean ± standard error.
Table 2. Usual intakes of nutrients and percent of older adults age 60+ years (n = 5868) meeting nutrient recommendations, NHANES 2011–2018 data.
Table 2. Usual intakes of nutrients and percent of older adults age 60+ years (n = 5868) meeting nutrient recommendations, NHANES 2011–2018 data.
Usual Intake% Below EAR or
Above AI
Energy (kcal)1936 ± 15
EAR nutrients
Protein (g)74.2 ± 0.72.68 ± 0.43
Calcium (mg)877 ± 1263.0 ± 1.6
Copper (mg)1.23 ± 0.017.22 ± 0.65
Iron (mg)14.2 ± 0.11.08 ± 0.23
Magnesium (mg)291 ± 360.2 ± 1.3
Phosphorus (mg)1277 ± 131.20 ± 0.27
Selenium (µg)104 ± 10.85 ± 0.20
Zinc (mg)10.4 ± 0.121.5 ± 1.6
Vitamin A, RAE (µg)668 ± 1438.9 ± 2.4
Thiamin (mg)1.53 ± 0.027.89 ± 0.85
Riboflavin (mg)2.04 ± 0.022.94 ± 0.41
Niacin (mg)23.0 ± 0.31.89 ± 0.43
Folate, DFE (µg)496 ± 615.2 ± 1.2
Vitamin B6 (mg)1.92 ± 0.0319.2 ± 1.5
Vitamin B12 (µg)4.67 ± 0.105.59 ± 0.85
Vitamin C (mg)80.8 ± 1.846.2 ± 1.6
Vitamin D (µg)4.66 ± 0.1195.6 ± 0.7
Vitamin E, ATE (mg)8.72 ± 0.1584.4 ± 1.3
AI nutrients
Potassium (mg)2626 ± 2329.9 ± 1.2
Sodium (mg)3157 ± 2898.5 ± 0.3
Choline (mg)316 ± 33.78 ± 0.61
Two days 24 h dietary recall data. Data are presented as mean ± standard error. % below the EAR for protein was based on g/kg of ideal body weight. AI: adequate intake; ATE: alpha-tocopherol equivalents; EAR: estimated average requirement; DFE: dietary folate equivalents; RAE: retinol activity equivalents.
Table 3. Usual nutrient intakes and percentage of population meeting nutrient recommendations among older adults age 60+ years non-consumers and consumers of beef, NHANES 2011–2018 data.
Table 3. Usual nutrient intakes and percentage of population meeting nutrient recommendations among older adults age 60+ years non-consumers and consumers of beef, NHANES 2011–2018 data.
Usual Intakes% Meeting Recommendations
Beef Non-ConsumersBeef Consumersp ValueBeef Non-ConsumersBeef Consumersp Value
Energy (kcal)1775 ± 302008 ± 22<0.0001
EAR nutrients % Below EAR
 Protein (g)68.7 ± 1.476.7 ± 0.9<0.00015.34 ± 1.091.34 ± 0.450.0007
 Calcium (mg)813 ± 18905 ± 150.000171.3 ± 2.059.1 ± 2.1<0.0001
 Copper (mg)1.21 ± 0.031.23 ± 0.020.542710.4 ± 1.35.61 ± 0.870.0016
 Iron (mg)13.2 ± 0.314.6 ± 0.2<0.00013.42 ± 0.63<1.00<0.0001
 Magnesium (mg)294 ± 6289 ± 40.500356.1 ± 2.462.6 ± 1.60.0236
 Phosphorus (mg)1218 ± 221302 ± 150.00191.99 ± 0.43<1.000.0444
 Selenium (µg)97.5 ± 2.1107 ± 20.00022.10 ± 0.53<1.000.0015
 Zinc (mg)8.82 ± 0.2111.2 ± 0.1<0.000141.5 ± 2.312.1 ± 1.9<0.0001
 Vitamin A, RAE (µg)662 ± 19670 ± 170.759940.1 ± 2.938.5 ± 3.20.7120
 Thiamin (mg)1.46 ± 0.031.56 ± 0.020.016911.3 ± 1.66.45 ± 1.080.0135
 Riboflavin (mg)1.92 ± 0.042.10 ± 0.030.00014.31 ± 0.692.38 ± 0.500.0227
 Niacin (mg)21.8 ± 0.723.6 ± 0.30.01743.22 ± 1.041.20 ± 0.470.0765
 Folate, DFE (µg)488 ± 10499 ± 80.424721.3 ± 1.812.2 ± 1.40.0001
 Vitamin B6 (mg)1.92 ± 0.081.92 ± 0.040.956520.4 ± 3.219.0 ± 1.80.6847
 Vitamin B12 (µg)4.03 ± 0.144.97 ± 0.13<0.000113.4 ± 2.11.94 ± 0.76<0.0001
 Vitamin C (mg)86.3 ± 3.278.0 ± 2.30.034041.9 ± 2.848.6 ± 2.00.0489
 Vitamin D (µg)4.93 ± 0.154.54 ± 0.140.055794.6 ± 0.996.0 ± 0.90.2916
 Vitamin E, ATE (mg)8.72 ± 0.248.71 ± 0.190.985381.5 ± 1.885.9 ± 1.80.0834
AI nutrients % Above AI
 Potassium (mg)2568 ± 472656 ± 280.106531.3 ± 2.229.5 ± 1.50.5117
 Sodium (mg)2831 ± 513310 ± 38<0.000196.9 ± 0.899.2 ± 0.30.0062
 Choline (mg)300 ± 6324 ± 40.00104.23 ± 1.163.71 ± 0.700.6965
Beef consumers were those older adults who consumed any amount of beef on either of the two days of dietary recalls, and non-consumers were those who did not. Data are presented as mean ± standard error. % below the EAR for protein were based on g/kg of ideal body weight. AI: adequate intake; ATE: alpha-tocopherol equivalents; EAR: estimated average requirement; DFE: dietary folate equivalents; RAE: retinol activity equivalents.
Table 4. Usual nutrient intakes and percentage of population meeting nutrient recommendations among older adults age 60+ years non-consumers and consumers of fresh beef, NHANES 2011–2018 data.
Table 4. Usual nutrient intakes and percentage of population meeting nutrient recommendations among older adults age 60+ years non-consumers and consumers of fresh beef, NHANES 2011–2018 data.
Usual Intakes% Meeting Recommendations
Fresh Beef Non-ConsumersFresh Beef Consumersp ValueFresh Beef Non-ConsumersFresh Beef Consumersp Value
Energy (kcal)1812 ± 282017 ± 23<0.0001
EAR nutrients % Below EAR
 Protein (g)69.2 ± 1.377.5 ± 0.9<0.00014.96 ± 0.961.00 ± 0.360.0001
 Calcium (mg)835 ± 17904 ± 160.003268.8 ± 1.959.3 ± 2.30.0017
 Copper (mg)1.19 ± 0.021.25 ± 0.020.086510.8 ± 1.14.87 ± 0.92<0.0001
 Iron (mg)13.2 ± 0.214.8 ± 0.2<0.00012.83 ± 0.47<1.00<0.0001
 Magnesium (mg)288 ± 5292 ± 40.562258.5 ± 2.061.5 ± 1.90.2655
 Phosphorus (mg)1226 ± 211308 ± 160.00201.95 ± 0.47<1.000.0170
 Selenium (µg)98.6 ± 1.9108 ± 20.00031.89 ± 0.54<1.000.0022
 Zinc (mg)8.87 ± 0.1711.5 ± 0.2<0.000140.8 ± 2.07.99 ± 1.90<0.0001
 Vitamin A, RAE (µg)665 ± 16670 ± 180.835939.4 ± 2.739.1 ± 3.20.9465
 Thiamin (mg)1.47 ± 0.031.57 ± 0.030.009110.9 ± 1.45.80 ± 1.050.0038
 Riboflavin (mg)1.92 ± 0.032.13 ± 0.03<0.00014.29 ± 0.681.96 ± 0.490.0055
 Niacin (mg)21.9 ± 0.623.8 ± 0.40.00423.48 ± 1.01<1.000.0127
 Folate, DFE (µg)485 ± 9503 ± 90.153920.8 ± 1.811.2 ± 1.4<0.0001
 Vitamin B6 (mg)1.87 ± 0.071.95 ± 0.040.274921.8 ± 3.117.0 ± 1.60.1704
 Vitamin B12 (µg)4.05 ± 0.115.08 ± 0.15<0.000112.1 ± 1.61.41 ± 0.69<0.0001
 Vitamin C (mg)83.7 ± 2.879.0 ± 2.40.206944.2 ± 2.547.4 ± 2.00.3094
 Vitamin D (µg)4.84 ± 0.144.55 ± 0.150.146795.4 ± 0.995.7 ± 1.00.8196
 Vitamin E, ATE (mg)8.63 ± 0.218.76 ± 0.210.673082.5 ± 1.685.7 ± 2.00.2184
AI nutrients % Above AI
 Potassium (mg)2540 ± 402690 ± 310.003229.4 ± 1.830.7 ± 1.70.6006
 Sodium (mg)2914 ± 483321 ± 42<0.000197.3 ± 0.799.2 ± 0.30.0070
 Choline (mg)297 ± 5328 ± 4<0.00013.25 ± 0.784.03 ± 0.850.4974
Fresh beef consumers were those older adults who consumed any amount of fresh beef on either of the two days of dietary recalls, and non-consumers were those who did not. Data are presented as mean ± standard error. % below the EAR for protein were based on g/kg of ideal body weight. AI: adequate intake; ATE: alpha-tocopherol equivalents; EAR: estimated average requirement; DFE: dietary folate equivalents; RAE: retinol activity equivalents.
Table 5. Usual nutrient intakes and percentage of population meeting nutrient recommendations among older adults age 60+ year non-consumers and consumers of ground beef, NHANES 2011–2018 data.
Table 5. Usual nutrient intakes and percentage of population meeting nutrient recommendations among older adults age 60+ year non-consumers and consumers of ground beef, NHANES 2011–2018 data.
Usual Intakes% Meeting Recommendations
Ground Beef Non-ConsumersGround Beef Consumersp ValueGround Beef Non-ConsumersGround Beef Consumersp Value
Energy (kcal)1836 ± 232087 ± 31<0.0001
EAR nutrients % Below EAR
 Protein (gm)71.3 ± 1.078.6 ± 1.1<0.00013.03 ± 0.721.14 ± 0.390.0205
 Calcium (mg)831 ± 14944 ± 19<0.000168.6 ± 1.554.7 ± 3.10.0001
 Copper (mg)1.19 ± 0.021.28 ± 0.030.00399.41 ± 0.924.32 ± 0.82<0.0001
 Iron (mg)13.5 ± 0.215.3 ± 0.3<0.00011.79 ± 0.38<1.00<0.0001
 Magnesium (mg)285 ± 4299 ± 50.024461.0 ± 1.658.0 ± 2.20.2721
 Phosphorus (mg)1234 ± 161341 ± 19<0.00011.64 ± 0.41<1.000.0138
 Selenium (mcg)101 ± 1110 ± 20.00041.15 ± 0.40<1.000.0238
 Zinc (mg)9.54 ± 0.1311.8 ± 0.2<0.000132.3 ± 2.08.17 ± 2.12<0.0001
 Vitamin A, RAE (µg)669 ± 14667 ± 220.946838.7 ± 2.740.4 ± 3.70.7108
 Thiamin (mg)1.47 ± 0.021.62 ± 0.30.000110.4 ± 1.14.26 ± 0.83<0.0001
 Riboflavin (mg)1.96 ± 0.022.17 ± 0.04<0.00013.49 ± 0.551.84 ± 0.510.0272
 Niacin (mg)22.2 ± 0.424.3 ± 0.40.00022.72 ± 0.67<1.000.0054
 Folate, DFE (µg)480 ± 7521 ± 120.002819.7 ± 1.68.31 ± 1.41<0.0001
 Vitamin B6 (mg)1.90 ± 0.041.95 ± 0.050.476520.3 ± 2.217.2 ± 2.20.3272
 Vitamin B12 (mcg)4.31 ± 0.105.25 ± 0.18<0.00017.98 ± 1.441.49 ± 0.61<0.0001
 Vitamin C (mg)81.4 ± 2.279.8 ± 2.90.656645.3 ± 1.947.7 ± 2.40.4382
 Vitamin D (µg)4.74 ± 0.154.54 ± 0.150.324095.4 ± 1.096.1 ± 1.00.6296
 Vitamin E, ATE (mg)8.46 ± 0.179.07 ± 0.260.052485.1 ± 1.482.8 ± 2.50.4225
AI nutrients % Above AI
 Potassium (mg)2561 ± 302732 ± 350.000228.4 ± 1.633.1 ± 1.80.0462
 Sodium (mg)2975 ± 343433 ± 56<0.000197.8 ± 0.599.5 ± 0.20.0007
 Choline (mg)307 ± 4330 ± 60.00123.26 ± 0.704.66 ± 1.120.2895
Ground beef consumers were those older adults who consumed any amount of ground beef on either of the two days of dietary recalls, and non-consumers were those who did not. Data are presented as mean ± standard error. % below the EAR for protein were based on g/kg of ideal body weight. AI: adequate intake; ATE: alpha-tocopherol equivalents; EAR: estimated average requirement; DFE: dietary folate equivalents; RAE: retinol activity equivalents.
Table 6. Usual nutrient intakes and percentage of population meeting nutrient recommendations among older adults age 60+ year non-consumers and consumers of processed beef, NHANES 2011–2018 data.
Table 6. Usual nutrient intakes and percentage of population meeting nutrient recommendations among older adults age 60+ year non-consumers and consumers of processed beef, NHANES 2011–2018 data.
Usual Intakes% Meeting Recommendations
Processed Beef Non-ConsumersProcessed Beef Consumersp ValueProcessed Beef Non-ConsumersProcessed Beef Consumersp Value
Energy (kcal)1887 ± 172094 ± 37<0.0001
EAR nutrients % Below EAR
 Protein (g)73.1 ± 0.977.6 ± 1.60.01383.02 ± 0.511.02 ± 0.620.0129
 Calcium (mg)860 ± 15925 ± 230.017865.4 ± 1.856.1 ± 3.00.0089
 Copper (mg)1.22 ± 0.021.25 ± 0.040.43417.54 ± 0.796.54 ± 1.430.5384
 Iron (mg)13.9 ± 0.215.0 ± 0.30.00251.09 ± 0.27<1.000.0223
 Magnesium (mg)293 ± 4283 ± 70.199758.0 ± 1.667.0 ± 2.70.0041
 Phosphorus (mg)1261 ± 151323 ± 2.80.04951.35 ± 0.28<1.000.1154
 Selenium (µg)102 ± 1112 ± 30.00161.03 ± 0.28<1.000.0032
 Zinc (mg)10.2 ± 0.111.1 ± 0.20.001324.7 ± 1.615.2 ± 3.40.0109
 Vitamin A, RAE (µg)669 ± 14671 ± 350.938839.5 ± 2.436.9 ± 6.60.7085
 Thiamin (mg)1.51 ± 0.021.60 ± 0.50.04638.70 ± 0.935.64 ± 1.790.1294
 Riboflavin (mg)2.02 ± 0.0022.13 ± 0.050.03593.19 ± 0.492.29 ± 0.680.2827
 Niacin (mg)22.7 ± 0.424.0 ± 0.70.08671.87 ± 0.451.76 ± 0.950.9200
 Folate, DFE (µg)491 ± 7514 ± 160.186816.4 ± 1.311.9 ± 2.30.0851
 Vitamin B6 (mg)1.94 ± 0.041.85 ± 0.060.170018.7 ± 1.721.1 ± 4.10.5952
 Vitamin B12 (µg)4.54 ± 0.125.09 ± 0.230.03686.62 ± 1.221.93 ± 1.010.0030
 Vitamin C (mg)83.7 ± 2.172.0 ± 3.80.006543.1 ± 1.856.3 ± 3.10.0002
 Vitamin D (µg)4.76 ± 0.144.36 ± 0.220.119494.8 ± 0.998.3 ± 1.20.0169
 Vitamin E, ATE (mg)8.67 ± 0.178.88 ± 0.290.522183.9 ± 1.484.4 ± 3.00.8716
AI nutrients % Above AI
 Potassium (mg)2635 ± 292618 ± 510.764831.7 ± 1.425.0 ± 2.40.0180
 Sodium (mg)3036 ± 333553 ± 86<0.000198.0 ± 0.499.8 ± 0.2<0.0001
 Choline (mg)311 ± 4330 ± 80.03223.97 ± 0.712.95 ± 1.280.4898
Processed beef consumers were those older adults who consumed any amount of processed beef on either of the two days of dietary recalls, and non-consumers were those who did not. Data are presented as mean ± standard error. % below the EAR for protein were based on g/kg of ideal body weight. AI: adequate intake; ATE: alpha-tocopherol equivalents; EAR: estimated average requirement; DFE: dietary folate equivalents; RAE: retinol activity equivalents.
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Agarwal, S.; Fulgoni, V.L., III. Beef Consumption Is Associated with Higher Intakes and Adequacy of Key Nutrients in Older Adults Age 60+ Years: National Health and Nutrition Examination Survey 2011–2018 Analysis. Nutrients 2024, 16, 1779. https://doi.org/10.3390/nu16111779

AMA Style

Agarwal S, Fulgoni VL III. Beef Consumption Is Associated with Higher Intakes and Adequacy of Key Nutrients in Older Adults Age 60+ Years: National Health and Nutrition Examination Survey 2011–2018 Analysis. Nutrients. 2024; 16(11):1779. https://doi.org/10.3390/nu16111779

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Agarwal, Sanjiv, and Victor L. Fulgoni, III. 2024. "Beef Consumption Is Associated with Higher Intakes and Adequacy of Key Nutrients in Older Adults Age 60+ Years: National Health and Nutrition Examination Survey 2011–2018 Analysis" Nutrients 16, no. 11: 1779. https://doi.org/10.3390/nu16111779

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