Identity Functioning in Patients with an Eating Disorder: Developmental Trajectories throughout Treatment
Abstract
:1. Introduction
1.1. The Process of Identity Formation
1.2. Identity and ED Symptomatology
1.3. ED Treatment and Outcome
1.4. The Present Study
2. Materials and Methods
2.1. Procedure
2.2. Participants
2.3. Measures
2.3.1. ED Symptomatology
2.3.2. Identity Synthesis and Confusion
2.3.3. Identity Processes
2.4. Statistical Analyses
3. Results
3.1. Identity Functioning as a Function of Age Groups, ED Subtypes and Admission History
3.2. Identity Functioning throughout Treatment
3.3. Linking Identity Changes to Changes in ED Symptomatology
4. Discussion
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Measurement Wave 1 at Admission | Measurement Wave 2 during Treatment | Measurement Wave 3 at Discharge | Number of Participants | |||
---|---|---|---|---|---|---|
Wave 1 a | X | 115 | ||||
Wave 1 + Wave 2 | X | X | 48 | |||
Wave 1 + Wave 3 | X | X | 18 | n = 110 | ||
Wave 1 + Wave 2 + Wave 3 | X | X | X | 44 |
Drop Out Sample (n = 115) | Final Study Sample (n = 110) | |||
---|---|---|---|---|
Variable | M (SD) | M (SD) | F-Value | Partial η2 |
Age | 21.50 (6.42) | 20.87 (6.08) | 0.57 | 0.00 |
BMI at admission | 18.16 (5.01) | 17.27 (4.10) | 2.13 | 0.01 |
Illness duration (years) | 5.78 (5.70) | 5.00 (5.57) | 1.03 | 0.31 |
Treatment duration (weeks) | 10.54 (8.39) | 21.29 (5.20) | 106.77 *** | 0.38 |
Identity dimensions | ||||
Identity synthesis | 3.09 (0.64) | 2.73 (0.78) | 14.62 *** | 0.06 |
Identity confusion | 2.56 (0.68) | 3.39 (0.68) | 7.56 ** | 0.03 |
Commitment making | 3.49 (0.83) | 3.10 (1.02) | 10.04 ** | 0.04 |
Identification with commitment | 3.40 (0.75) | 2.93 (0.82) | 7.09 ** | 0.03 |
Exploration in breadth | 3.59 (0.65) | 3.61 (0.74) | 3.31 | 0.02 |
Exploration in depth | 3.30 (0.73) | 3.39 (0.77) | 1.50 | 0.07 |
Ruminative exploration | 2.67 (0.87) | 3.58 (0.95) | 0.29 | 0.00 |
Eating disorder symptomatology | ||||
Drive for thinness | 4.80 (1.08) | 5.08 (0.88) | 4.57 * | 0.02 |
Body dissatisfaction | 4.95 (0.99) | 5.02 (0.90) | 0.34 | 0.00 |
Bulimia | 2.77 (1.38) | 2.47 (1.33) | 2.72 | 0.01 |
Intercept | Slope | |||
---|---|---|---|---|
Variable | M | ∆ | M | ∆ |
Identity synthesis | 2.712 *** | 0.442 *** | 0.025 *** | 0.001 |
Identity confusion | 3.529 *** | 0.377 *** | −0.015 *** | 0.000 |
Commitment making | 2.920 *** | 0.659 *** | 0.017 ** | 0.000 |
Identification with commitment | 2.764 *** | 0.625 *** | 0.010 * | 0.001 |
Exploration in breadth | 3.527 *** | 0.269 * | 0.013 ** | 0.000 |
Exploration in depth | 3.334 *** | 0.361 *** | 0.013 *** | 0.000 |
Ruminative exploration | 3.635 *** | 0.613 *** | −0.008 | 0.001 |
Drive for Thinness | Body Dissatisfaction | Bulimia | ||||
---|---|---|---|---|---|---|
Variable | Intercept | Slope | Intercept | Slope | Intercept | Slope |
Identity synthesis | ||||||
Intercept | −0.214 * | 0.003 | −0.270 ** | 0.001 | 0.014 | 0.000 |
Slope | 0.003 | −0.001 ** | 0.005 | −0.001 * | −0.002 | 0.000 |
Identity confusion | ||||||
Intercept | 0.050 | 0.001 | 0.106 | 0.003 | 0.018 | −0.001 |
Slope | 0.001 | 0.001 * | 0.000 | 0.001 * | 0.002 | 0.000 |
Commitment making | ||||||
Intercept | −0.109 | −0.004 | −0.096 | −0.011 | 0.117 | −0.004 |
Slope | 0.007 | −0.001 | 0.004 | 0.000 | −0.003 | 0.000 |
Identification with commitment | ||||||
Intercept | −0.172 * | −0.003 | −0.198 * | −0.005 | 0.065 | −0.002 |
Slope | 0.004 | −0.001 ˟ | 0.006 | −0.001 * | −0.002 | 0.000 |
Exploration in breadth | ||||||
Intercept | −0.064 | 0.003 | −0.030 | −0.001 | 0.165 ˟ | −0.002 |
Slope | 0.001 | 0.000 | 0.000 | 0.000 | −0.004 | 0.000 |
Exploration in depth | ||||||
Intercept | −0.046 | 0.003 | −0.145 * | 0.003 | 0.024 | 0.000 |
Slope | 0.000 | −0.001 * | 0.002 | 0.000 | −0.005 | 0.000 |
Ruminative exploration | ||||||
Intercept | 0.226 * | −0.002 | 0.276 ** | 0.001 | 0.119 | −0.002 |
Slope | −0.001 | 0.001 † | −0.005 | 0.001 * | −0.005 | 0.000 |
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Verschueren, M.; Claes, L.; Palmeroni, N.; Raemen, L.; Moons, P.; Bruckers, L.; Molenberghs, G.; Dierckx, E.; Schoevaerts, K.; Luyckx, K. Identity Functioning in Patients with an Eating Disorder: Developmental Trajectories throughout Treatment. Nutrients 2024, 16, 591. https://doi.org/10.3390/nu16050591
Verschueren M, Claes L, Palmeroni N, Raemen L, Moons P, Bruckers L, Molenberghs G, Dierckx E, Schoevaerts K, Luyckx K. Identity Functioning in Patients with an Eating Disorder: Developmental Trajectories throughout Treatment. Nutrients. 2024; 16(5):591. https://doi.org/10.3390/nu16050591
Chicago/Turabian StyleVerschueren, Margaux, Laurence Claes, Nina Palmeroni, Leni Raemen, Philip Moons, Liesbeth Bruckers, Geert Molenberghs, Eva Dierckx, Katrien Schoevaerts, and Koen Luyckx. 2024. "Identity Functioning in Patients with an Eating Disorder: Developmental Trajectories throughout Treatment" Nutrients 16, no. 5: 591. https://doi.org/10.3390/nu16050591