Demographic characteristics and smoking behaviour of Pall Mall smokers 15–65 years. Mexico 2009–2016
| Packs (n=6415) | Single cigarettes (n=5958) | |||
| Bivariate OR (95% CI) | Multivariate OR (95% CI) | Bivariate OR (95% CI) | Multivariate OR (95% CI) | |
| Year | ||||
| 2011 | 1.00 | 1.00 | 1.00 | 1.00 |
| 2009 | 0.46 (0.20 to 1.02) | 0.48 (0.21 to 1.05) | 0.36 (0.08 to 1.46) | 0.39 (0.09 to 1.58) |
| 2015 | 3.60 (2.23 to 5.83)** | 3.71 (2.22 to 6.20)** | 5.36 (2.58 to 11.13)** | 6.22 (2.95 to 13.08)** |
| 2016 | 5.26 (3.50 to 7.92)** | 5.63 (3.65 to 8.69)** | 8.62 (4.42 to 16.78)** | 9.98 (5.08 to 19.62)** |
| Sex | ||||
| Male | 1.00 | 1.00 | 1.00 | 1.00 |
| Female | 1.88 (1.47 to 2.41)** | 1.99 (1.53 to 2.60)** | 1.98 (1.46 to 2.68)** | 2.21 (1.60 to 3.05)** |
| Group of age (years) | ||||
| 15–24 | 1.00 | 1.00 | 1.00 | 1.00 |
| 25–44 | 0.84 (0.59 to 1.19) | 0.83 (0.57 to 1.20) | 0.51 (0.38 to 0.69)** | 0.46 (0.33 to 0.63)** |
| 45–65 | 0.82 (0.58 to 1.16) | 0.83 (0.55 to 1.25) | 0.36 (0.22 to 0.58)** | 0.31 (0.19 to 0.51)** |
| Residence area | ||||
| Urban | 1.00 | 1.00 | 1.00 | 1.00 |
| Rural | 0.70 (0.44 to 1.10) | 0.92 (0.58 to 1.47) | 0.82 (0.58 to 1.17) | 1.00 (0.68 to 1.47) |
| Education level | ||||
| Primary education or less | 1.00 | 1.00 | 1.00 | 1.00 |
| Middle school | 1.68 (1.22 to 2.33)* | 1.42 (0.98 to 2.05) | 1.76 (1.21 to 2.53)* | 1.44 (0.97 to 2.13) |
| High school | 1.91 (1.32 to 2.76)** | 1.59 (1.03 to 2.45)* | 1.50 (0.96 to 2.36) | 1.01 (0.62 to 1.64) |
| University or more | 1.41 (0.90 to 2.20) | 1.29 (0.79 to 2.09) | 0.94 (0.51 to 1.73) | 0.97 (0.52 to 1.79) |
| Smoking pattern | ||||
| Non-daily smoker | 1.00 | 1.00 | 1.00 | 1.00 |
| Daily, ≤5cigarettes/day | 1.02 (0.71 to 1.45) | 1.15 (0.79 to 1.66) | 0.77 (0.52 to 1.16) | 0.88 (0.57 to 1.35) |
| Daily, >5 cigarettes/day | 0.75 (0.56 to 1.01) | 0.96 (0.70 to 1.32) | 0.48 (0.27 to 0.86) | 0.47 (0.24 to 0.90)* |
| Cigarette price | 1.08 (0.91 to 1.28) | 0.84 (0.73 to 0.97)* | 1.41 (0.95 to 2.09) | 0.88 (0.50 to 1.56) |
Multivariate logistic regression model stratified by type of cigarette purchase and adjusted by year (2011 as the reference), sex, group of age, residence, education attainment, smoking pattern and cigarette price (log-transformed).
*p<0.05.
**p<0.001.