Table 3.

Work Schedule, commitment, and mastery, by the proportion of respondents who had stopped smoking at follow-up. In Norwegian nurses' aides.

		Stopped smoking
Baseline work factors	N †	n	Row %	P
Working hours per week				0.008
1–9	26	6	23.1
10–18	234	32	13.7
19–36	1655	160	9.7
> 36	291	20	6.9
Frequency of night shifts				0.724
Never	1060	102	9.6
Sometimes	602	60	10.0
Rather often	148	12	8.1
Very often	404	45	11.1
Commitment to the work unit ‡				0.721
1	408	36	8.8
2	436	39	8.9
3	375	43	11.5
4	653	64	9.8
5	349	36	10.3
Perceived mastery of work ‡				0.541
1	456	54	11.8
2	293	25	8.5
3	547	55	10.1
4	371	37	10.0
5	558	50	9.0

N = Total number if respondents in each category. n = number of cases in each category. Row % = proportion of cases in each category. ^† The total number of individuals included in these analyses were somewhat lower than the number of individuals who responded to the questionnaire, because not all respondents answered all questions. ^‡ Index divided into quintiles (1 is the lowest level).