Multinomial ORs for each smoking status in high occupational class workers
| Characteristics | Multinominal OR (95% CI) | |
| Model 1* | Model 2† | |
| HTPs smokers | ||
| Office workers | 1.99 (1.42 to 2.79) | 1.94 (1.38 to 2.72) |
| Full-time employment | 1.62 (1.12 to 2.33) | 1.58 (1.09 to 2.29) |
| Age, continuous | 0.997 (0.99 to 1.01) | 0.99 (0.98 to 1.01) |
| Female | 0.51 (0.36 to 0.73) | 0.51 (0.35 to 0.73) |
| Total knowledge | 1.34 (1.22 to 1.48) | |
| Combustible cigarette smokers | ||
| Office workers | 1.02 (0.84 to 1.23) | 0.99 (0.81 to 1.20) |
| Full-time employment | 0.89 (0.73 to 1.09) | 0.88 (0.72 to 1.07) |
| Age, continuous | 1.03 (1.02 to 1.03) | 1.03 (1.02 to 1.03) |
| Female | 0.29 (0.24 to 0.35) | 0.29 (0.24 to 0.34) |
| Total knowledge | 1.31 (1.24 to 1.37) | |
| Dual smokers | ||
| Office workers | 1.01 (0.71 to 1.45) | 0.97 (0.67 to 1.40) |
| Full-time employment | 1.83 (1.27 to 2.62) | 1.79 (1.24 to 2.57) |
| Age, continuous | 1.01 (0.99 to 1.02) | 1.00 (0.99 to 1.01) |
| Female | 0.43 (0.31 to 0.60) | 0.42 (0.30 to 0.60) |
| Total knowledge | 1.44 (1.31 to 1.59) | |
| Former smokers | ||
| Office workers | 1.38 (1.15 to 1.65) | 1.34 (1.12 to 1.61) |
| Full-time employment | 0.82 (0.67 to 1.00) | 0.81 (0.66 to 0.99) |
| Age, continuous | 1.03 (1.03 to 1.04) | 1.03 (1.02 to 1.03) |
| Female | 0.44 (0.37 to 0.53) | 0.44 (0.37 to 0.53) |
| Total knowledge | 1.30 (1.24 to 1.36) | |
*Adjusted for age, sex and employment type.
†Additional adjustment for smoking-related health knowledge.
HTP, heated tobacco product.