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Table 4 Differences between school-attending females with underweight and female patients with AN

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

Variable

Percentile

School-attending females ≤ 10th BMI percentile

Female patients with AN ≤ 10th BMI percentile

p-Value°

  

n = 30

n = 291

< .001*

FKB-20 Negative Evaluations of the Body

25.

14.0

24.5

50.

18.0

34.0

75.

22.5

40.5

  

n = 221

n = 30

< .001*

EDI-DT

25.

0

0.4

50.

0

1.1

75.

0

2.1

EDI-B

25.

0

0

.151

50.

0

0

75.

0

0.3

EDI-BD

25.

0

0.8

< .001*

50.

0.2

1.2

75.

0.6

1.6

EDI-I

25.

0

0.1

.005

50.

0.2

0.7

75.

0.3

1.1

EDI-P

25.

0

0.3

.030

50.

0.3

0.7

75.

0.6

1.0

EDI-ID

25.

0

0

.004*

50.

0

0.1

75.

0.1

0.6

EDI-IA

25.

0

0.1

< .001*

50.

0

0.4

75.

0.2

0.6

EDI-MF

25.

0.2

0.4

.202

50.

0.4

0.5

75.

0.8

0.9

EDI-A

25.

0

0.3

< .001*

50.

0

0.4

75.

0.1

0.6

EDI-IR

25.

0

0

.698

50.

0.1

0.1

75.

0.3

0.3

EDI-SI

25.

0

0.1

.035

50.

0.4

0.6

75.

0.5

1.1

  1. Notes: n number, 1reduced n due to missing data, FKB-20 Body Image Questionnaire, EDI Eating Disorder Inventory-2, AN anorexia nervosa, °Mann-Whitney-U-test; *p < .004 (significant group difference after Bonferroni correction)