Table 4.
Predictors of being quit for 30 days or more after 14 months of followup, adult Mexican smokers*
| Baseline independent variables | % quit | Crude OR | Adjusted OR** | |
|---|---|---|---|---|
| (95% CI) | (95% CI) | |||
| Entire population | 17.9% | -- | -- | |
| Frequency of buying singles | None | 13.6% | 1 | 1 |
| 3 or less times/mo | 20.5% | 1.64[1.05 - 2.56]a | 1.11[0.63 - 1.95] | |
| Weekly or more | 19.3% | 1.51[0.99 - 2.32] | 1.28[0.70 - 2.37] | |
| Frequency of buying singles to reduce consumption | None | 14.3% | 1 | 1 |
| 3 or less times/mo | 27.4% | 2.26[1.35 - 3.77]b | 2.30[1.19 - 4.45]a | |
| Weekly or more | 18.1% | 1.32[0.72 - 2.43] | 0.92[0.41 - 2.09] | |
| Urge to smoke when see singles sold | None | 15.0% | 1 | 1 |
| 3 or less times/mo | 20.8% | 1.48[0.81 - 2.70] | 1.4[0.76 - 2.58] | |
| Weekly or more | 17.0% | 1.15[0.76 - 1.75] | 0.92[0.57 - 1.49] | |
| Observations | 1155 | |||
a: p < 0.05; b: p < 0.01; c: p < 0.001.
*logistic regression models estimated; all independent variables assessed at baseline
**model adjusts for all variables shown in the table, as well as baseline age, sex, education, income, smoking intensity, previous year quit attempts, and intention to quit.