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

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

School-attending males						School-attending females
Variable		≤ 10^th BMI percentile	> 10^th to ≤ 90^th BMI percentile	> 90^th BMI percentile	p-Value°	≤ 10^th BMI percentile	> 10^th to ≤ 90^th BMI percentile	> 90^th 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

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)

ISSN: 2050-2974