From: Smoking behaviors before and after implementation of a smoke-free legislation in Guangzhou, China
Extent of smoking restriction, venues | Baseline survey | Evaluation survey | Reduction (%) | aOR(95 % CI) for smoking ban | p | ||
---|---|---|---|---|---|---|---|
n1 | Smoking (%) | n2 | Smoking (%) | ||||
Full smoking ban | 763 | 36.4 | 839 | 24.3 | 33.2 | 0.56(0.38 to 0.82) | 0.022 |
Cultural venues | 168 | 22.2 | 194 | 8.7 | 60.8 | 0.34(0.17 to 0.68) | 0.022 |
Public transport vehicles | 582 | 10.7 | 698 | 4.2 | 60.8 | 0.38(0.20 to 0.73) | 0.023 |
Government offices | 165 | 48.3 | 158 | 24.8 | 48.7 | 0.35(0.13 to 0.93) | 0.044 |
Commercial venues | 584 | 15.8 | 723 | 7.6 | 51.9 | 0.42(0.16 to 1.07) | 0.057 |
Medical facilities | 210 | 21.5 | 236 | 14.0 | 34.9 | 0.58(0.26 to 1.31) | 0.102 |
Stadiums | 184 | 42.6 | 189 | 29.6 | 30.5 | 0.62(0.26 to 1.46) | 0.137 |
Primary/secondary schools | 213 | 21.2 | 193 | 19.8 | 6.6 | 1.08(0.34 to 3.44) | 0.813 |
Universities | 91 | 31.4 | 99 | 29.4 | 6.4 | 0.96(0.49 to 1.86) | 0.802 |
Partial smoking ban | 842 | 89.6 | 873 | 90.4 | −0.9 | 1.09(0.63 to 1.91) | 0.562 |
Workplaces | 510 | 78.8 | 581 | 64.5 | 18.1 | 0.46(0.30 to 0.70) | 0.015 |
Restaurants | 629 | 85.3 | 745 | 75.1 | 12.0 | 0.49(0.26 to 0.91) | 0.038 |
Hotels | 188 | 83.4 | 230 | 75.6 | 9.4 | 0.67(0.47 to 0.96) | 0.041 |
Cafes/bars/nightclubs | 298 | 90.5 | 333 | 89.7 | 0.9 | 1.09(0.31 to 3.80) | 0.804 |
Amusement parks | 425 | 66.4 | 562 | 63.7 | 4.1 | 0.85(0.48 to 1.50) | 0.349 |
Waiting room of transport vehicles | 542 | 48.6 | 680 | 49.9 | −2.7 | 1.05(0.43 to 2.54) | 0.838 |
No ban | |||||||
Home | 882 | 91.0 | 877 | 89.4 | 1.8 | 0.78(0.51 to 1.21) | 0.138 |