Odds ratios (95% CI) from logistic regression analysis of smoking-induced deprivation on covariates (n = 6829)
| Crude OR | p Value | Adjusted OR | p Value | |
|---|---|---|---|---|
| Sex | 0.002 | 0.315 | ||
| Male | 1.00 | 1.00 | ||
| Female | 1.17 (1.06 to 1.29) | 0.94 (0.83 to 1.06) | ||
| Age (years) | <0.001 | <0.001 | ||
| 18–24 | 2.03 (1.70 to 2.43) | 1.81 (1.45 to 2.26) | ||
| 25–39 | 1.28 (1.11 to 1.48) | 1.13 (0.95 to 1.36) | ||
| 40–54 | 1.19 (1.03 to 1.37) | 1.05 (0.88 to 1.24) | ||
| >55 | 1.00 | 1.00 | ||
| Minority status | <0.001 | 0.003 | ||
| White/English speaking | 1.00 | 1.00 | ||
| Non-white/English speaking | 1.41 (1.22 to 1.63) | 1.29 (1.09 to 1.53) | ||
| Education | 0.033 | 0.312 | ||
| Low | 1.22 (1.04 to 1.44) | 0.93 (0.77 to 1.12) | ||
| Medium | 1.23 (1.05 to 1.47) | 1.03 (0.85 to 1.25) | ||
| High | 1.00 | 1.00 | ||
| Income | <0.001 | <0.001 | ||
| Low | 2.01 (1.76 to 2.30) | 1.81 (1.55 to 2.12) | ||
| Medium | 1.32 (1.16 to 1.51) | 1.28 (1.10 to 1.48) | ||
| High | 1.00 | 1.00 | ||
| Country | <0.001 | <0.001 | ||
| USA | 1.70 (1.46 to 1.98) | 1.45 (1.21 to 1.74) | ||
| Canada | 1.76 (1.51 to 2.04) | 1.48 (1.24 to 1.76) | ||
| UK | 1.00 | 1.00 | ||
| Australia | 2.09 (1.80 to 2.42) | 1.93 (1.63 to 2.29) | ||
| Heaviness of Smoking Index | 1.08 (1.04 to 1.11) | <0.001 | 1.08 (1.04 to 1.13) | <0.001 |
| Intention to quit | <0.001 | <0.001 | ||
| No intention to quit | 1.00 | 1.00 | ||
| Intend to quit | 1.89 (1.67 to 2.13) | 1.40 (1.20 to 1.64) | ||
| Self-efficacy to quit | 0.877 | 0.489 | ||
| Low self-efficacy | 1.00 | 1.00 | ||
| High self-efficacy | 0.99 (0.88 to 1.11) | 1.05 (0.92 to 1.19) | ||
| Functional value of smoking | ||||
| Makes socialising easier | <0.001 | 0.036 | ||
| Do not agree | 1.00 | 1.00 | ||
| Agree | 1.40 (1.25 to 1.57) | 1.16 (1.01 to 1.33) | ||
| Helps control weight | <0.001 | <0.001 | ||
| Do not agree | 1.00 | 1.00 | ||
| Agree | 1.33 (1.19 to 1.48) | 1.33 (1.17 to 1.50) | ||
| Enjoy too much to give up | <0.001 | 0.644 | ||
| Do not agree | 1.00 | 1.00 | ||
| Agree | 0.84 (0.76 to 0.93) | 0.97 (0.85 to 1.10) | ||
| Helps concentration | 0.374 | |||
| Do not agree | 1.00 | 1.00 | 0.768 | |
| Agree | 1.05 (0.95 to 1.16) | 0.98 (0.86 to 1.12) | ||
| Calms stress | <0.001 | 0.841 | ||
| Do not agree | 1.00 | 1.00 | ||
| Agree | 1.26 (1.10 to 1.45) | 1.02 (0.86 to 1.20) | ||
| Important part of life | 0.027 | 0.269 | ||
| Do not agree | 1.00 | 1.00 | ||
| Agree | 1.12 (1.01 to 1.24) | 1.08 (0.94 to 1.23) | ||
| Thoughts about … | ||||
| Harm of smoking | <0.001 | 0.007 | ||
| Not often | 1.00 | 1.00 | ||
| Often | 1.87 (1.69 to 2.07) | 1.24 (1.06 to 1.46) | ||
| Danger of smoking | <0.001 | <0.001 | ||
| Not often | 1.00 | 1.00 | ||
| Often | 1.85 (1.68 to 2.05) | 1.37 (1.17 to 1.60) | ||
| Enjoyment in smoking | 0.001 | 0.858 | ||
| Not often | 1.00 | 1.00 | ||
| Often | 1.19 (1.07 to 1.32) | 1.01 (0.89 to 1.15) | ||
| Think a lot about future | <0.001 | 0.003 | ||
| Do not agree | 1.00 | 1.00 | ||
| Agree | 1.67 (1.50 to 1.85) | 1.21 (1.07 to 1.37) | ||
| Perceived stress | 1.15 (1.13 to 1.17) | p<0.001 | 1.11 (1.09 to 1.13) | <0.001 |
| Number of friends who smoke | 1.10 (1.06 to 1.13) | p<0.001 | 1.06 (1.02 to 1.10) | 0.002 |