Relationship of smoking status to knowledge about low-tar cigarettes in 6603 male and 6751 female respondents to the GATS China survey using a structural equation modelling approach that adjusts for general knowledge about smoking using a latent variable*
| Never versus current smokers | Past versus current smokers | Past versus never smokers | |
|---|---|---|---|
| Male respondents | |||
| Latent knowledge | 1.2 (1.1 to 1.3) | 1.3 (1.1 to 1.6) | 1.1 (0.9 to 1.3) |
| Low-tar cigarettes not less harmful | 1.3 (1.0 to 1.7) | 2.1 (1.5 to 3.0) | 1.6 (1.1 to 2.3) |
| Urban residence | 1.0 (0.8 to 1.3) | 1.1 (0.8 to 1.6) | 1.1 (0.7 to 1.7) |
| Level of education | |||
| No education | 1.0 | 1.0 | 1.0 |
| Primary | 0.8 (0.5 to 1.3) | 1.2 (0.8 to 1.7) | 1.5 (0.8 to 2.9) |
| Secondary | 0.7 (0.4 to 1.1) | 0.8 (0.5 to 1.3) | 1.1 (0.2 to 2.4) |
| High school | 0.6 (0.4 to 1.0) | 1.0 (0.6 to 1.6) | 1.6 (0.6 to 3.3) |
| College | 1.2 (0.6 to 2.3) | 0.9 (0.5 to 1.7) | 0.7 (0.3 to 1.6) |
| Employment | |||
| Farmer | 1.0 | 1.0 | 1.0 |
| Factory worker/soldier | 1.2 (0.9 to 1.7) | 1.3 (0.8 to 2.1) | 1.0 (0.6 to 1.6) |
| Office worker | 1.2 (0.9 to 1.7) | 1.2 (0.8 to 1.7) | 1.0 (0.6 to 1.6) |
| Doctor/teacher | 2.2 (1.3 to 3.6) | 1.8 (0.9 to 3.9) | 0.7 (0.2 to 2.4) |
| Unemployed | 1.5 (1.0 to 2.1) | 3.0 (1.8 to 4.8) | 2.0 (1.2 to 3.2) |
| Retired | 4.0 (2. 6 to 6.1) | 2.6 (1.6 to 4.4) | 0.7 (0.4 to 1.1) |
| Age | 0.98 (0.97 to 0.98) | 1.03 (1.02 to 1.04) | 1.06 (1.05 to 1.07) |
| Female respondents | |||
| Latent knowledge | 1.4 (1.0 to 1.9) | 1.5 (1.0 to 2.2) | 1.1 (0.7 to 1.6) |
| Low-tar cigarettes not less harmful | 2.8 (1.3 to 5.9) | 5.0 (1.3 to 20.1) | 1.8 (0.6 to 5.2) |
| Urban residence | 1.2 (0.6 to 2.4) | 0.6 (0.3 to 1.3) | 0.5 (0.2 to 0.9) |
| Level of education | |||
| No education | 1.0 | 1.0 | 1.0 |
| Primary | 0.8 (0.4 to 1.3) | 0.7 (0.3 to 1.6) | 0.9 (0.5 to 1.9) |
| Secondary | 1.0 (0.5 to 2.1) | 0.6 (0.2 to 1.6) | 0.6 (0.2 to 1.5) |
| High school | 1.2 (0.5 to 2.7) | 0.6 (0.1 to 3.4) | 0.6 (0.1 to 2.1) |
| College | 1.2 (0.3 to 4.3) | 0.9 (0.1 to 8.6) | 0.8 (0.1 to 4.5) |
| Employment† | |||
| Farmer | 1.0 | 1.0 | 1.0 |
| Factory worker | 1.1 (0.5 to 2.4) | 1.2 (0.4 to 3.9) | 0.8 (0.3 to 2.5) |
| Unemployed | 0.8 (0.4 to 1.9) | 1.2 (0.6 to 2.4) | 1.3 (0.4 to 4.5) |
| Retired | 1.2 (0.5 to 2.9) | 0.8 (0.3 to 2.3) | 0.6 (0.2 to 2.2) |
| Age | 0.96 (0.95 to 0.97) | 1.02 (1.00 to 1.04) | 1.06 (1.04 to 1.08) |
Values are OR (95% CI).
*Bold numbers indicate statistical significance at the 0.05 level.
†Sample sizes were too small to yield precise estimates for female office workers, doctors/teachers and students, so these results are not presented.
GATS, Global Adult Tobacco Survey.