Table 3 Logistic regression results of sociodemographic factors associated with smoking (N = 4,414)
Category | Odds Ratio | 95% C.I |
|---|---|---|
Region | Â | Â |
   Subei | 1.00 | -- |
   Jinnan | 1.37** | 1.12–1.62 |
   Jinbei | 1.94** | 1.54–2.44 |
   Guiyang | 1.39** | 1.13–1.70 |
Age (years) | Â | Â |
   < 25 | 1.00 | -- |
   25–34 | 1.29* | 1.08–1.14 |
   35–44 | 1.09 | 0.92–1.29 |
   45- | 1.30* | 1.08–1.58 |
Education | Â | Â |
   Elementary school | 1.00 | -- |
   Middle school | 0.94 | 0.83–1.07 |
   High school | 0.85 | 0.70–1.03 |
   College or higher | 0.51** | 0.37–0.69 |
Martial status | Â | Â |
   Never been married | 1.00 | -- |
   Married | 2.43** | 1.99–2.98 |
   Divorced/widowed | 1.63** | 1.11–2.38 |
Race | Â | Â |
   Han | 1.00 | -- |
   Minority | 1.84** | 1.29–2.62 |
Occupation | Â | Â |
   Farmers | 1.00 | -- |
   Floating jobs# | 0.90 | 0.79–1.03 |
   Non-farm related jobs | 0.97 | 0.82–1.14 |
   Others (no work capacity) | 0.71* | 0.57–0.89 |
Average annual income per person (Â¥) | Â | Â |
   < 1000 | 1.00 | -- |
   1000–1999 | 1.33** | 1.14–1.54 |
   2000–2999 | 1.44** | 1.21–1.72 |
   3000–3999 | 2.07** | 1.63–2.63 |
   >= 4000 | 1.66** | 1.23–2.08 |