Multivariate regression models of changes in tobacco use behaviour across survey waves
| (Wave 2 vs Wave 1(ref))ठ| (Wave 3 vs Wave 1(ref))ठ| (Wave 3 vs Wave 2(ref))ठ| ||||
| Odds/mean ratios (95% CI) | P value | Odds/mean ratios (95% CI) | P value | Odds/mean ratios (95% CI) | P value | |
| Cigarettes smoked per day** | 1.15 (1.11 to 1.19) | 0.0001 | 0.97 (0.86 to 1.10) | 0.665 | 0.85 (0.77 to 0.93) | <0.001 |
| Past year quit attempt**+ | 0.89 (0.56 to 1.43) | 0.642 | 0.80 (0.71 to 0.91) | <0.001 | 0.90 (0.64 to 1.27) | 0.547 |
| Thinking of quitting in the next 30 days** | 0.44 (0.29 to 0.67) | <0.001 | 0.62 (0.23 to 1.69) | 0.352 | 1.41 (0.79 to 2.51) | 0.249 |
| Usual cigarette is menthol** | 0.80 (0.72 to 0.90) | 0.0002 | 0.81 (0.32 to 2.00) | 0.640 | 1.00 (0.45 to 2.22) | 0.998 |
| Only smoke menthol cigarette in the past month†† | 0.58 (0.21 to 1.63) | 0.303 | 0.19 (0.18 to 0.19) | <0.0001 | 0.32 (0.12 to 0.89) | 0.029 |
Controlled for nesting of participants within programmes.
Presented are ORs for dichotomous outcomes and mean ratios for count outcome.
*Wave 2, post-menthol ban, May 2019.
†Wave 1, pre-menthol ban, June 2018.
‡Wave 3, post-menthol ban, November 2019.
§Smokers only.
¶Menthol smokers only.
Ref, reference category.