Body mass index and subjective well-being in young adults: a twin population study

BMC Public Health

Table 3 Linear regression statistics for the U-shaped adjusted association between Z-score of BMI and indicators of subjective well-being in all women (n=2422), healthy women (n=2242), women with a lifetime DSM-IV eating disorder (n=89), and healthy female co-twins of women with a lifetime eating disorder (n=32)

Indicator of subjective well-being	Female subgroup	Β-coefficient for the quadratic BMI term	Standard error	P
Life satisfaction	All women	0.0456	0.037	0.20
	Healthy women	0.0332	0.042	0.43
	Women with a lifetime eating disorder	0.226	0.091	0.015
	Healthy co-twins	1.58	0.75	0.044
GHQ-20	All women	0.108	0.11	0.30
	Healthy women	0.0554	0.11	0.60
	Women with a lifetime eating disorder	1.46	0.40	<0.001
	Healthy co-twins	4.95	2.6	0.066
Satisfaction with leisure time, work, and family relationships	All women	0.0879	0.047	0.060
	Healthy women	0.0597	0.052	0.26
	Women with a lifetime eating disorder	0.554	0.17	0.002
	Healthy co-twins	0.591	1.1	0.58
Satisfaction with sex life	All women	0.0112	0.010	0.30
	Healthy women	0.0078	0.010	0.44
	Women with a lifetime eating disorder	0.0223	0.033	0.50
	Healthy co-twins	0.273	0.37	0.47

ISSN: 1471-2458