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Table 3 Work Schedule, commitment, and mastery, by the proportion of respondents who had stopped smoking at follow-up. In Norwegian nurses' aides.

From: Work factors and smoking cessation in nurses' aides: a prospective cohort study

   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  
  1. 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).