Table 4

Weighted Logistic regression coefficients for current smoking, nicotine dependence and exposure to secondhand smoke (SHS) by ethnicity and socioeconomic status
Variables Current smokers Nicotine dependence SHS
(N=8681) (N=8681) (N=8681)
Adjusted odds ratio† 95% CI Adjusted odds ratio† 95% CI Adjusted odds ratio† 95% CI
Ethnicity (reference: Han)
 Minorities 0.93 (0.79, 1.10) 0.79** (0.69, 0.95) 0.84** (0.74, 0.95)
Level of education (reference: primary (grade 1–6) or lower)
 Middle (grade 7–9) or higher 0.63** (0.51, 0.78) 0.56** (0.46, 0.65) 0.51** (0.43, 0.61)
Level of yearly household income (reference: Low)
 Medium 1.08 (0.97, 1.20) 1.16* (1.04, 1.31) 1.06 (0.93, 1.11)
 High 1.05 (0.93, 1.18) 1.11* (1.02, 1.19) 1.00 (0.90, 1.06)
Tobacco cultivating (reference: no)
 Yes 3.18** (2.77, 3.65) 2.42** (2.12, 2.77) 1.35** (1.17, 1.55)

* p<0.05, ** p<0.01, † adjusted for age, sex, and alcohol drinking.

Cai et al.

Cai et al. BMC Public Health 2012 12:842   doi:10.1186/1471-2458-12-842

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