Table 2

Prevalence (%) of exposure to potential risk factors (background, leisure time, and work related variables) in 1969 and 1993 among employed subjects by gender (women, n=190; men, n=177)

	1969		1993
	Women	Men	Women	Men
Background
Age (51–58 in 1993)			31	33
Education (<9 years)			55	69
Living alone	20	45	22	17
Children at home	59	43	37	47
Smoker			24	23
Leisure time
No time for oneself, <1 h/day	17	10	20	15
Dissatisfaction with leisure activities	28	25
Infrequent social contact, <once/month	3	4	31	40
Dissatisfaction with social contacts	17	17
Responsible for home and children	23	7
Work related variables
Blue collar worker	40	48	32	34
Full time employment	60	93	72	90
Night or shift work	7	6	20	18
Overtime work	6	48	32	46
High mental load	31	47	36	26
Monotonous work	11	15	6	7
Hectic work	43	66	70	64
Poor social support from superiors	46	17	12	15
Time pressure			33	32
Excessive demands on skills			23	20
Low demands on skills			15	14
Few possibilities to learn new things			25	13
Frequent contacts with clients			49	43
Index
Psychological demands			30	26
Low degree of skill discretion			25	14
Low authority over decisions			42	29
Poor social support			18	31
Lack of job pride			17	18

Exposed both 1969 and 1993 (as % of the exposed in 1969)	Women	Men
Work related variables
Blue collar worker	55	33
Full time employment	72	90
Night or shift work	45	22
Overtime work	30	40
High mental load	44	45
Monotonous work	18	21
Hectic work	72	72
Poor social support from superiors	12	22