Variable | Never versus current smokers | Past versus current smokers | Past 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 cancer | 2.8 (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 attack | 1.8 (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 stroke | 1.3 (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 harmful | 4.2 (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 residence | 1.0 (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 education | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
Primary | 1.3 (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) |
Secondary | 3.1 (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 school | 3.6 (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) |
College | 4.1 (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* | ||||||
Farmer | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
Factory worker/soldier | 2.2 (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) |
Unemployed | 0.9 (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) |
Retired | 0.9 (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) |
Age | 0.96 (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.