Table 1.

Baseline characteristics of the study subjects and those with incomplete follow-up data on life satisfaction*.

	Study subjects		Subjects with incomplete follow-up		p-value
Baseline characteristics	N (9679)	column %	N (6817)	column %
Sex					<0.0011)
Men	4466	46.1	3932	57.7
Women	5213	53.9	2885	42.3
Age-group					<0.0012)
18 – 25	4121	42.6	3100	45.5
16 – 35	3513	36.3	2431	35.6
36 – 45	2045	21.1	1286	18.9
Social class					<0.0013)
Upper	565	5.8	361	5.3
Intermediate	2695	27.8	2121	31.1
Lower	6419	66.4	4335	63.6
Marital status					<0.0014)
Cohabiting	5386	55.7	3443	50.6
Living alone	4291	44.3	3366	49.4
Smoking cigarettes daily					<0.0015)
Non-smoker	6698	69.3	3991	58.7
1 – 19	2344	24.2	2976	30.5
> 19	627	6.5	737	10.8
Pure alcohol g/month					<0.0016)
None	1361	14.1	807	11.9
1 – 99	4077	42.2	2334	34.3
100 – 399	2626	27.1	2076	30.5
400 – 799	1083	11.2	939	13.8
≥ 800	524	5.4	648	9.3
Physical activity/month					<0.017)
< 1	1138	12.2	888	13.7
1 – 5	4585	49.3	3045	46.9
≥ 6	3577	38.5	2563	39.4
Life satisfaction in 1975					<0.0018)
4 – 6	2214	22.9	1370	20.1
7 – 11	6239	64.4	4303	63.1
12 – 20	1226	12.7	1144	16.8

* Life satisfaction data not available from 1981 and/or 1990.

¹⁾ F(1, 10007) = 165; ²⁾ F(2, 10006) = 7.02; ³⁾ F(2, 10006) = 9.17; ⁴⁾ F(1, 10002) = 36.1; ⁵⁾ F(2, 9995) = 94.0; ⁶⁾ F(4, 9995) = 45.0; ⁷⁾ F(2, 9786) = 5.50; ⁸⁾ F(2, 10006) = 29.0