Table 3

Comparison of demographic characteristics and knowledge about tobacco smoking between individuals with different smoking status among 6651 female respondents to the GATS China survey

VariableNever versus current smokersPast versus current smokersPast versus never smokers
uOR (95% CI)aOR (95% CI)uOR (95% CI)aOR (95% CI)uOR (95% CI)aOR (95% CI)
Knowledge
 Smoking causes lung cancer2.8 (1.8 to 4.4)1.9 (1.2 to 2.8)1.5 (0.8 to 2.7)1.4 (0.7 to 3.0)0.5 (0.3 to 1.1)0.7 (0.4 to 1.6)
 Smoking causes heart attack1.8 (1.0 to 3.1)1.5 (0.7 to 2.9)2.2 (1.1 to 4.7)3.1 (1.0 to 9.9)1.2 (0.6 to 2.6)2.1 (0.8 to 5.6)
 Smoking causes stroke1.3 (0.8 to 2.0)0.7 (0.4 to 1.2)1.0 (0.6 to 1.7)0.4 (0.2 to 0.9)0.8 (0.4 to 1.6)0.6 (0.3 to 1.2)
 Low-tar cigarettes not less harmful4.2 (2.0 to 8.8)2.9 (1.3 to 6.6)5.1 (1.4 to 18.1)5.5 (1.3 to 23.2)1.2 (0.4 to 3.3)1.9 (0.7 to 5.4)
Urban residence1.0 (0.6 to 1.6)1.3(0.7 to 2.4)0.5 (0.3 to 1.1)0.6 (0.3 to 1.3)0.5 (0.3 to 1.0)0.5 (0.2 to 0.9)
Level of education
 No education1.01.01.01.01.01.0
 Primary1.3 (0.8 to 2.3)0.7 (0.4 to 1.3)0.7 (0.3 to 1.4)0.7 (0.3 to 1.6)0.5 (0.3 to 1.0)1.0 (0.5 to 1.9)
 Secondary3.1 (1.6 to 6.2)1.0 (0.5 to 2.0)0.5 (0.2 to 1.3)0.6 (0.2 to 1.5)0.2 (0.1 to 0.4)0.6 (0.2 to 1.5)
 High school3.6 (1.5 to 8.7)1.0 (0.4 to 2.5)0.5 (0.1 to 2.3)0.6 (0.1 to 3.5)0.2 (0.1 to 0.4)0.6 (0.2 to 2.3)
 College4.1 (1.4 to 12.0)0.9 (0.2 to 3.4)0.6 (0.1 to 3.3)1.0 (0.1 to 10.8)0.1 (<0.1 to 0.5)1.2 (0.2 to 7.4)
Employment*
 Farmer1.01.01.01.01.01.0
 Factory worker/soldier2.2 (1.0 to 5.1)1.1 (0.5 to 2.7)1.1 (0.3 to 3.8)1.1 (0.3 to 4.1)0.5 (0.2 to 1.4)1.0 (0.3 to 2.8)
 Unemployed0.9 (0.5 to 1.9)0.9 (0.4 to 2.0)1.7 (0.9 to 3.4)1.1 (0.6 to 2.3)1.8 (0.8 to 4.4)1.3 (0.6 to 3.0)
 Retired0.9 (0.4 to 1.9)1.3 (0.5 to 3.2)1.7 (0.6 to 4.7)0.8 (0.2 to 2.5)1.9 (0.6 to 6.0)0.6 (0.2 to 2.0)
Age0.96 (0.95 to 0.97)0.96 (0.95 0.97)1.03 (1.01 to 1.05)1.02 (1.00 to 1.04)1.07 (1.05 to 1.09)1.06 (1.04 to 1.08)
  • Bold numbers indicate statistical significance at the 0.05 level.

  • aOR, OR adjusted for all variables in the table; GATS, Global Adult Tobacco Survey; uOR, unadjusted OR.

  • *Sample sizes were too small to yield precise estimates for female office workers, doctors/teachers and students, so these results are not presented.