Table 1

Description of the study population and exposure variables

		Women				Men
		n	%			n	%
People included in the data collection	18516			18020
Respondents	15874	85.7		14458	80.2
The cohort^1-150	15683			14287
Deaths 1973–96	862	5.5		1331	9.3
Participants without job titles	6183	39.4		3155	22.1
Participants with job titles	9500	100.0		11132	100.0
Deaths 1973–96	424	4.5		836	7.5
Exposure variables:
Unemployment:
Ever unemployed	875	9.2		1309	11.8
Unemployed in 1973	263	2.8		315	2.8
Unemployed earlier but work in 1973	612	6.4		994	8.9
Part time work	2993	31.5		237	2.1
Overtime work:
⩽5 h/week	497	5.2		1457	13.1
>5 h/week	249	2.6		1505	13.5
Extra work:
⩽5 h/week	350	3.7		844	7.6
>5 h/week	362	3.8		1013	9.1

↵1-150 191 Women and 171 men could not be identified when matching with the Causes of Death Registry.