Table 2.

Physical and mental health-related quality of life (SF-12) in different sub-groups: unadjusted bivariate analysis

		SF-12 Physical Sum Score			SF-12 Mental Sum Score
Source of variation		Mean	95%-CI		Mean	95%-CI
Age (in years)	35-44	48.7	45.9-51.5	F(3,828) = 6.8, p ≤ .001	50.0	46.8-53.1	F(3,828) = 1.5, p = .206
	45-54	48.2	47.0-49.5		48.8	47.5-50.2
	55-64	46.2	45.2-47.2		56.1	49.0-51.2
	65-74	44.7	43.6-45.8		50.8	49.6-52.0
Education	High (grammar school)	49.5	47.6-51.5	F(2,825) = 5.6, p = .004	49.4	47.2-51.6	F(2,825) = 0.6, p = .557
	Medium (intermediate school)	46.2	44.9-47.4		49.5	48.2-50.9
	Low (max. secondary general school)	46.0	45.2-46.7		50.3	49.4-51.2
Family status	Living with partner	46.7	45.9-47.4	F(1,829) = 2.6, p = .110	50.4	49.6-51.2	F(1,829) = 3.7, p = .056
	Not living with partner	45.5	44.3-46.7		48.9	47.5-50.2
Health insurance	Private	48.1	46.3-49.8	F(1,830) = 4.2, p = .041	51.7	49.8-53.6	F(1,830) = 3.5, p = .061
	Statutory	46.1	45.4-46.8		49.7	49.0-50.5
Place of residence	Rural	46.7	45.9-47.5	F(1,830) = 1.5, p = .223	49.6	48.7-50.5	F(1,830) = 1.4, p = .232
	Urban	45.9	44.9-46.9		50.5	49.4-51.5
Obesity (BMI ≥ 30)	Yes	43.0	41.8-44.1	F(1,830) = 47.3, p ≤ .001	50.2	48.9-51.5	F(1,830) = 0.1, p = .759
	No	47.7	47.0-48.5		50.0	49.1-50.7
Abdominal Obesity (WHR ≥ 0.85)	Yes	45.4	44.4-46.4	F(1,830) = 6.1, p = .014	49.9	48.8-51.0	F(1,830) = 0.1, p = .823
	No	47.0	46.2-47.9		50.1	49.2-51.0
Depressed mood (DEEX-scale)	Yes	42.5	41.6-43.4	F(1,829) = 108.9, p ≤ .001	43.3	42.3-44.2	F(1,829) = 341.8, p ≤ .001
	No	49.0	48.2-49.7		54.5	53.7-55.2
Diabetes mellitus	Yes	42.4	40.1-44.6	F(1,830) = 13.1, p ≤ .001	48.5	46.0-51.0	F(1,830) = 1.6, p = .213
	No	46.7	46.1-47.4		50.1	49.4-50.8