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Table 3 Sex-specific findings body image and eating-disorder-related psychopathology within individual weight percentile groups

From: Body mass index and self-reported body image in German adolescents

School-attending males School-attending females
Variable   ≤ 10th BMI percentile > 10th to ≤ 90th BMI percentile > 90th BMI percentile p-Value° ≤ 10th BMI percentile > 10th to ≤ 90th BMI percentile > 90th BMI percentile p-Value°
  Quartile n = 10 n = 324 n = 60   n = 30 n = 407 n = 49  
FKB-20 Negative Evaluations of the Body 1. 13.3 13.0 15.0 < .001* 14.0 15.0 19.5 < .001*
2. 15.0 15.0 19.0 18.0 19.0 23.0
3. 18.0 19.0 24.0 22.5 26.0 32.0
EDI-DT   n = 51 n = 1871 n = 311 n = 2231 n = 221 n = 2761 n = 401 n = 3381
1. 0 0 0 < .001* 0 0 0 < .001*
2. 0 0 0.1 0 0 0.3
3. 0 0 0.4 0 0.4 0.9
EDI-B 1. 0 0 0 .648 0 0 0 .601
2. 0 0 0 0 0 0
3. 0.1 0 0 0 0 0
EDI-BD 1. 0 0 0.3 < .001* 0 0 0.4 < .001*
2. 0 0 0. 8 0.2 0.4 1.1
3. 0. 6 0.3 1.3 0.6 1.0 2.0
EDI-I 1. 0 0 0 .264 0 0 0 .414
2. 0.2 0 0.1 0.2 0.1 0.2
3. 0.5 0.2 0.3 0.3 0.3 0.4
EDI-P 1. 0.5 0.3 0.2 .828 0 0 0 .661
2. 0.5 0.7 0.3 0.3 0.3 0.3
3. 1.7 1.0 0.5 0.6 0.7 0.7
EDI-ID 1. 0.1 0.3 0.2 .373 0 0 0 .330
2. 0.4 0.7 0.3 0 0 0
3. 0.8 1.0 0.5 0.1 0.3 0.3
EDI-IA 1. 0 0 0 .102 0 0 0 .410
  2. 0 0 0.1   0 0.1 0.1  
  3. 0.1 0.2 0.3   0.2 0.2 0.3  
EDI-MF 1. 0.3 0.3 0.4 .380 0.2 0.4 0.3 .218
  2. 0.6 0.5 0.5   0.4 0.5 0.5  
  3. 1.6 0.8 1.0   0.8 0.9 0.8  
EDI-A 1. 0 0 0 .112 0 0 0 .010
  2. 0 0 0.1   0 0.1 0.3  
  3. 0.3 0.3 0.4   0.1 0.3 0.5  
EDI-IR 1. 0 0 0 .818 0 0 0 .546
  2. 0 0 0.1   0.1 0 0.1  
  3. 0.6 0.3 0.2   0.3 0.3 0.3  
EDI-SI 1. 0.1 0 0.1 .621 0 0 0 .578
  2. 0.3 0.3 0.3   0.4 0.3 0.3  
  3. 0.9 0.5 0.5   0.5 0.5 0.7  
  1. Notes: n number, 1reduced n due to missing data, FKB-20 Body Image Questionnaire, EDI Eating Disorder Inventory-2, °Kruskal-Wallis; *p < .004 (significant group difference after Bonferroni correction)