Prevalence ratios for smoking cessation among baseline light smokers in association with tobacco store proximity and availability
| Smoking cessation, light smokers | ||||||
|---|---|---|---|---|---|---|
| Men (n=649) | Women (n=3404) | |||||
| Tobacco store | QICu† | PR‡ | 95% CI | QICu† | PR‡ | 95% CI |
| Walking distance | 852 | 4459 | ||||
| 0−0.2 km | 1.09 | 0.84 to 1.42 | 1.10 | 0.96 to 1.25 | ||
| 0.21−0.4 km | 1.04 | 0.83 to 1.30 | 1.05 | 0.94 to 1.17 | ||
| 0.41−0.6 km | 0.93 | 0.74 to 1.17 | 0.95 | 0.84 to 1.06 | ||
| 0.61−1.0 km | 1.06 | 0.86 to 1.30 | 0.93 | 0.84 to 1.03 | ||
| >1.0 km | 1.00 | 1 | ||||
| <0.50 vs ≥0.50 km | 848 | 0.97 | 0.83 to 1.14 | 4459 | 1.08* | 1.00 to 1.17 |
| Index of availability§ | 850 | 0.95 | 0.67 to 1.33 | 4435 | 1.24* | 1.04 to 1.47 |
| Number of stores ≤0.50 km from home | ||||||
| 0 | 851 | 1 | 4471 | 1 | ||
| 1 | 0.98 | 0.82 to 1.17 | 1.07 | 0.97 to 1.17 | ||
| >1 | 0.85 | 0.68 to 1.06 | 1.10 | 0.99 to 1.21 | ||
*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.