Table 1

Mean scores (standard deviations) of worktime control by demographics, measures of health behaviour and work characteristics adjusted for age

	Men				Women
	Number	Mean	SD	Test for difference	Number	Mean	SD	Test for difference
*Quartiles.
Age group (y)				p=0.347				p=0.000
18–39	355	2.79	0.82		1355	2.86	0.81
40–49	538	2.81	0.86		1940	2.85	0.85
≥50	587	2.73	0.96		1614	2.63	0.90
Level of education				p=0.000				p=0.000
University	410	2.79	1.05		1020	2.47	1.00
College	373	3.14	0.85		1561	3.00	0.81
Vocational	330	2.67	0.74		1058	2.82	0.75
None	329	2.48	0.73		1085	2.72	0.82
Married or cohabiting				p=0.409				p=0.268
Yes	1216	2.77	0.90		3738	2.77	0.86
No	234	2.82	0.88		1084	2.80	0.85
Dependent children				p=0.066				p=0.000
Yes	845	2.81	0.87		2951	2.82	0.86
No	627	2.72	0.92		1939	2.72	0.86
Smoking				p=0.024				p=0.001
Never smoker	420	2.87	0.92		2290	2.74	0.86
Ex smoker	720	2.72	0.88		1739	2.77	0.86
Current smoker	330	2.77	0.86		831	2.88	0.84
Alcohol consumption				p=0.127				p=0.000
0–210 g/week	1161	2.76	0.87		4611	2.77	0.86
>210 g/week	305	2.84	0.96		268	2.98	0.95
Body mass index				p=0.842				p=0.035
<25	609	2.77	0.90		2848	2.76	0.87
25–30	689	2.79	0.89		1398	2.83	0.86
>30	160	2.76	0.89		532	2.78	0.84
Sedentary lifestyle				p=0.592				p=0.745
No	1231	2.78	0.88		4113	2.78	0.86
Yes	235	2.75	0.93		733	2.79	0.86
Job control*				p=0.000				p=0.000
4 (high)	326	3.00	1.00		1060	2.91	1.01
3	386	2.95	0.91		1155	2.82	0.86
2	425	2.73	0.80		1451	2.81	0.77
1 (low)	341	2.42	0.73		1221	2.58	0.78
Job demands*				p=0.009				p=0.000
1 (low)	361	2.77	0.88		1346	2.92	0.81
2	320	2.64	0.84		1056	2.80	0.84
3	418	2.80	0.89		1349	2.71	0.86
4 (high)	376	2.87	0.93		1128	2.67	0.92