Table 1.

Socio-demographic description of the study population (n = 10,747), stratified for overweight and obese people

		total	overweighta		obesityb
		N	N	%	N	%
Total		10747	5216		1358
Sex	female	4951	1790	36.2	556	11.2
	male	5796	3426	59.1	802	13.8
	p-value		< 0.001		< 0.001
Age	17-29 years	1803	473	26.2	107	5.9
	30-39 years	2754	1236	44.9	292	10.6
	40-49 years	3384	1773	52.4	474	14.0
	50-64 years	2806	1734	61.8	485	17.3
	p-value		< 0.001		< 0.001
marital status	married/cohabitant	6984	3808	54.5	1008	14.4
	single	2733	881	32.2	211	7.7
	divorced	893	437	48.9	109	12.2
	widowed	137	90	65.7	30	21.9
	p-value		< 0.001		< 0.001
nationality	German	9975	4794	48.1	1253	12.6
	non-German	772	422	54.7	105	13.6
	p-value		< 0.001		0.062
educational level	grammar school (13 years)	3265	1368	41.9	288	8.8
	secondary school (10 years)	3768	1767	46.9	469	12.4
	compulsory school (9 years)	2655	1557	58.6	466	17.6
	no schooling grade	184	100	54.3	31	16.8
	other	631	338	53.6	83	13.2
	not specified	244	86	35.2	21	8.6
	p-value		< 0.001		< 0.001

^a Overweight is defined by a BMI between 25 kg/m² and 29.9 kg/m². ^b Obesity is defined by a BMI of 30 kg/m² or more.