Obesity Status and Physical Fitness Levels in Male and Female Portuguese Adolescents: A Two-Way Multivariate Analysis
Round 1
Reviewer 1 Report
General Comments
· This study determined obesity and physical fitness levels of Portuguese adolescents through a multivariate analysis. It is interesting that the study documented significant gender and age main effect in most of the variables and a gender x age interaction effect in aerobic fitness. However, I do have some concerns, especially the results and discussion sections which are not properly presented.
· There is also inadequacy of language command, particularly usage of correct grammar and spelling errors. This is the case throughout the manuscript.
· Specific comments are presented below.
Specific Comments
Abstract
· Lines 35 & 36: The sentence should read: association between gender and chronological age with obesity ….
· Line 37: assessing, not accessing.
Introduction
· The background information looks good, though verbose.
· Page 2, Line 78: … socioeconomic may be one of the most …
Materials and Methods
2.1. Study participants
· Page 3, Line 102: … association of power and age with obesity …
· Provide information on sample size determination with a relevant formula.
· Lines 117-123: After parental consent, minors only need to give assent and not consent again.
· Page 3, Line 135: height was collected or measured?
· Page 4, Lines 161-162: … the speed was slower, not lower
· Page 4, Line 175-176: Confused sentence. Review the sentence please. Use participants instead of subjects.
· Page 5, Line 192: Use restraining line instead of starting line.
· Page 5, Line 209: … descriptive statistics were expressed as means …
· Page 5, Line 231: The date 2013 is unnecessary. Delete it.
Results and Discussion
· Pages 5 & 6: There is wrong use of statistical expressions. When there is a significant effect or difference, it should be written: P<0.05, and when there is no significant effect, it is P>0.05. Presentation should be properly done..
· The gender x age significant interaction in aerobic fitness needs to be properly described.
· Reporting of results is not logical and consistent.
· Page 9, Line 363: Are BMI, abdominal circumference, aerobic fitness, and others independent variables?
· The discussion is not well articulated, no comparison with previous studies. No information on whether findings were supported or not supported with previous studies.
· One of the limitations of this study is the cross-sectional design which precluded determination of causality. This should be included.
Author Response
We appreciate your positive feedback. Point-by-point responses as provided, and revisions are tracked in the manuscript using the track change option in MS Word.
Author Response File: Author Response.docx
Reviewer 2 Report
Dear,
please find the comments attached.
Sincerely,
reviewer
Comments for author File: Comments.pdf
Author Response
We appreciate your positive feedback. Point-by-point responses as provided, and revisions are tracked in the manuscript using the track change option in MS Word.
Author Response File: Author Response.docx
Round 2
Reviewer 1 Report
The Discussion section needs to be improved upon.
Author Response
Review: The Discussion section needs to be improved upon.
Response 1: Dear reviewer. We very much appreciate your suggestions. Following your suggestions, we improved the discussion.
Author Response File: Author Response.pdf