Table 6.

The relationship between baseline characteristics and the odds of having stopped smoking at follow-up. In Norwegian nurses' aides.

Baseline characteristics	OR (95 % CI)
Working hours per week
1–9	1.00
10–18	0.48 (0.17 – 1.33)
19–36	0.35 (0.13 – 0.91)
> 36	0.27 (0.09 – 0.78)
Age
< 30	1.00
30–39	0.61 (0.35 – 1.04)
40–49	0.41 (0.24 – 0.70)
50–59	0.44 (0.24 – 0.78)
> 59	0.53 (0.20 – 1.45)
Gender
Female	1.00
Male	0.82 (0.40 – 1.68)
Marital status
Married or cohabiting	1.00
Single	0.61 (0.41 – 0.92)
Have preschool children
No	1.00
Yes	0.93 (0.60 – 1.43)
Daily consumption of cigarettes
1–9	1.00
10–19	0.51 (0.37 – 0.70)
20 or more	0.56 (0.25 – 1.23)

Results of one logistic regression analysis, with all covariates entered simultaneously.

OR = odds ratio. 95 % CI = 95 % confidence interval.

Numbers of individuals included in the analysis = 2165.

Overall rate of correct classification = 89.9 %.

Hosmer and Lemeshow test: chi-square = 5.998; p = 0.647.