Table 2

Comparison of demographic characteristics and knowledge about tobacco smoking between individuals with different smoking status among 6603 male 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 cancer1.8 (1.4 to 2.3)1.2 (0.9 to 1.5)1.3 (0.9 to 1.8)1.3 (0.9 to 1.9)0.7 (0.5 to 1.0)1.1 (0.7 to 1.7)
 Smoking causes heart attack1.6 (1.3 to 1.9)1.2 (1.0 to 1.5)1.7 (1.3 to 2.2)1.4 (0.9 to 2.1)1.1 (0.8 to 1.5)1.2 (0.7 to 1.8)
 Smoking causes stroke1.4 (1.2 to 1.8)1.1 (0.8 to 1.4)1.5 (1.1 to 2.1)1.1 (0.7 to 1.6)1.1 (0.8 to 1.4)1.0 (0.7 to 1.5)
 Low-tar cigarettes not less harmful1.8 (1.4 to 2.3)1.3 (1.0 to 1.8)2.2 (1.5 to 3.1)2.2 (1.5 to 3.2)1.2 (0.8 to 1.7)1.6 (1.1 to 2.3)
Urban residence0.8 (0.7 to 1.0)1.0 (0.8 to 1.3)0.8 (0.6 to 1.1)1.1 (0.7 to 1.6)1.0 (0.7 to 1.4)1.1 (0.7 to 1.7)
Level of education
 No education1.01.01.01.01.01.0
 Primary1.0 (0.7 to 1.6)0.8 (0.5 to 1.4)0.8 (0.5 to 1.2)1.2 (0.8 to 1.7)0.8 (0.4 to 1.4)1.5 (0.7 to 2.9)
 Secondary1.4 (0.9 to 2.1)0.7 (0.4 to 1.2)0.4 (0.2 to 0.6)0.8 (0.5 to 1.4)0.3 (0.1 to 0.5)1.1 (0.5 to 2.5)
 High school1.7 (1.1 to 2.7)0.6 (0.4 to 1.1)0.6 (0.4 to 0.9)1.0 (0.6 to 1.7)0.3 (0.2 to 0.6)1.6 (0.7 to 3.4)
 College2.9 (1.7 to 4.8)1.2 (0.6 to 2.3)0.5 (0.3 to 0.9)0.9 (0.4 to 1.7)0.2 (0.1 to 0.3)0.7 (0.3 to 1.7)
Employment
 Farmer1.01.01.01.01.01.0
 Factory worker/soldier1.0 (0.8 to 1.3)0.8 (0.6 to 1.1)0.6 (0.4 to 0.9)0.8 (0.5 to 1.3)0.6 (0.4 to 0.9)1.0 (0.6 to 1.5)
 Office worker1.5 (1.1 to 2.0)1.0 (0.7 to 1.5)0.8 (0.5 to 1.3)0.9 (0.5 to 1.7)0.6 (0.4 to 0.8)0.9 (0.6 to 1.5)
 Doctor/teacher2.7 (1.5 to 4.6)1.7 (0.9 to 3.2)1.7 (0.8 to 3.5)1.4 (0.6 to 3.3)0.6 (0.3 to 1.3)0.8 (0.4 to 1.8)
 Unemployed1.4 (0.9 to 1.9)1.2 (0.8 to 1.7)2.1 (1.3 to 3.2)2.3 (1.4 to 3.6)1.5 (1.0 to 2.4)1.9 (1.2 to 3.2)
 Retired1.9 (1.3 to 2.9)3.1 (2.1 to 4.8)4.2 (2.8 to 6.2)2.0 (1.3 to 3.1)2.2 (1.4 to 3.2)0.6 (0.4 to 1.0)
Age0.97 (0.97 to 0.98)0.98 (0.97 to 0.98)1.04 (1.03 to 1.04)1.03 (1.02 to 1.05)1.07 (1.05 to 1.08)1.06 (1.05 to 1.07)
  • 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.