Prevalence ratios for smoking cessation among baseline moderate/heavy smokers in association with tobacco store proximity and availability
| Smoking cessation, moderate/heavy smokers | |||||||
|---|---|---|---|---|---|---|---|
| Men (n=1439) | Women (n=3259) | ||||||
| Tobacco store | QICu† | PR‡ | 95% CI | QICu† | PR‡ | 95% CI | |
| Walking distance | 1653 | 3863 | |||||
| 0−0.2 km | 0.78 | 0.57 to 1.07 | 1.09 | 0.89 to 1.33 | |||
| 0.21−0.4 km | 0.70* | 0.53 to 0.92 | 1.12 | 0.95 to 1.33 | |||
| 0.41−0.6 km | 0.80 | 0.62 to 1.03 | 0.95 | 0.80 to 1.13 | |||
| 0.61−1.0 km | 1.06 | 0.86 to 1.31 | 1.12 | 0.96 to 1.31 | |||
| >1.0 km | 1.00 | 1 | |||||
| <0.50 vs ≥0.50 km | 1649 | 0.73* | 0.60 to 0.88 | 3863 | 1.03 | 0.91 to 1.16 | |
| Index of availability§ | 1662 | 0.70 | 0.45 to 1.08 | 3878 | 1.10 | 0.85 to 1.43 | |
| Number of stores ≤0.50 km from home | |||||||
| 0 | 1651 | 1 | 3874 | 1 | |||
| 1 | 0.63* | 0.49 to 0.81 | 1.13 | 0.99 to 1.29 | |||
| >1 | 0.78* | 0.62 to 0.99 | 0.99 | 0.85 to 1.16 | |||
*p<0.05.
†Goodness of fit statistic.
‡Models adjusted for age, socioeconomic status, marital status, housing tenure, neighbourhood disadvantage and population density.
§One unit increase in the index of availability.
PR, prevalence ratio; QICu, quasi-likelihood under the independence model criterion.