Relationships among smoking restriction policies, quit intention and cigarette consumption for men who smoke (n=796) in China, 2004
| Cigarettes smoked per day | Intention to quit | |||||
| Mean | Unadjusted MD (95% CI) | Adjusted* MD (95% CI) | % | Unadjusted OR (95% CI) | Adjusted† OR (95% CI) | |
| Policy | ||||||
| Unrestricted | 15.1 | 0.0 (Reference) | 0.0 (Reference) | 41.4 | 1.0 (Reference) | 1.0 (Reference) |
| Restricted | 14.2 | −0.9 (−8.2 to 6.4) | 0.4 (−4.8 to 5.5) | 44.3 | 1.1 (0.5 to 2.8) | 1.2 (0.4 to 3.7) |
| Smoke free | 10.3 | −4.9 (−9.0 to −0.7) | −1.4 (−5.6 to 2.8) | 49.2 | 1.4 (0.6 to 3.0) | 0.8 (0.4 to 1.8) |
| Region | ||||||
| Rural | 14.6 | 0.0 (Reference) | 0.0 (Reference) | 48.6 | 1.0 (Reference) | 1.0 (Reference) |
| Urban | 13.0 | −1.5 (−5.0 to 1.9) | −0.5 (−3.7 to 2.7) | 36.9 | 0.6 (0.4 to 1.0) | 0.7 (0.4 to 1.3) |
| Province | ||||||
| Sichuan | 13.9 | 0.0 (Reference) | 0.0 (Reference) | 40.8 | 1.0 (Reference) | 1.0 (Reference) |
| Jiangxi | 17.3 | 3.4 (−1.9 to 8.6) | 4.0 (−1.4 to 9.4) | 30.7 | 0.6 (0.3 to 1.3) | 0.6 (0.3 to 1.2) |
| Henan | 12.0 | −1.9 (−5.6 to 1.8) | −0.4 (−3.6 to 2.9) | 53.2 | 1.7 (0.8 to 3.3) | 1.8 (0.9 to 3.5) |
| Age | ||||||
| 20–39 | 12.3 | 0.0 (Reference) | 0.0 (Reference) | 41.5 | 1.0 (Reference) | 1.0 (Reference) |
| 40–69 | 15.3 | 3.0 (−1.6 to 7.7) | 2.6 (−0.5 to 5.7) | 45.4 | 1.2 (0.5 to 3.1) | 0.9 (0.4 to 2.3) |
| Education | ||||||
| Junior high school or below | 15.1 | 0.0 (Reference) | 0.0 (Reference) | 45.4 | 1.0 (Reference) | 1.0 (Reference) |
| Senior high school | 13.0 | −2.1 (−7.3 to 3.2) | −0.6 (−5.4 to 4.2) | 44.7 | 1.0 (0.5 to 1.9) | 1.0 (0.4 to 2.3) |
| College or above | 12.4 | −2.7 (−7.3 to 1.9) | −0.3 (−5.4 to 4.8) | 38.3 | 0.8 (0.4 to 1.4) | 1.0 (0.4 to 2.4) |
| Occupation | ||||||
| Government official or scientific personnel | 14.4 | 0.0 (Reference) | 0.0 (Reference) | 31.1 | 1.0 (Reference) | 1.0 (Reference) |
| Health worker or teacher | 10.6 | −3.8 (−8.7 to 1.1) | −3.6 (−8.1 to 0.9) | 58.2 | 3.1 (1.4 to 6.9) | 3.3 (1.5 to 7.4) |
| Labourer or employee in service department | 14.3 | −0.1 (−4.1 to 3.9) | −0.5 (−6.5 to 5.6) | 45.2 | 1.8 (1.0 to 3.5) | 1.6 (0.7 to 3.8) |
| Doctor's advice to quit | ||||||
| No | 14.3 | 0.0 (Reference) | 0.0 (Reference) | 37.9 | 1.0 (Reference) | 1.0 (Reference) |
| Yes | 12.1 | −2.3 (−7.2 to −2.7) | −1.8 (−6.1 to 2.6) | 67.3 | 3.4 (1.0 to 11.4) | 3.5 (1.1 to 10.7) |
| Addiction | ||||||
| No | 10.8 | 0.0 (Reference) | 0.0 (Reference) | |||
| Yes | 20.4 | 9.6 (5.0 to 14.3) | 8.5 (4.0 to 12.9) | |||
| Smoking restriction at home | ||||||
| No | 14.9 | 0.0 (Reference) | 0.0 (Reference) | |||
| Yes | 10.3 | −4.6 (−8.2 to −1.0) | −2.1 (−6.2 to 2.1) | |||