Characteristics of those who report smoking discount brand cigarettes*
| Variables | OR | 95% CI |
|---|---|---|
| Sex | ||
| Females vs males | 1.15 | (1.01 to 1.30) |
| Age (yrs) | ||
| 25–39 vs 18–24 | 2.34 | (1.71 to 3.22) |
| 40–54 vs 18–24 | 5.56 | (4.13 to 7.50) |
| 55-max vs 18–24 | 9.47 | (6.99 to 12.84) |
| Race | ||
| Other vs White | 0.74 | (0.59 to 0.91) |
| Black vs White | 0.37 | (0.29 to 0.48) |
| Income† | ||
| Low vs high | 3.10 | (2.57 to 3.73) |
| Middle vs high | 1.77 | (1.46 to 2.13) |
| No answer vs high | 2.34 | (1.74 to 3.15) |
| Nicotine dependence‡ | ||
| ≥4 vs <4 | 1.14 | (1.02 to 1.27) |
| Smoking | ||
| Daily vs non-daily | 1.18 | (0.92 to 1.53) |
| Region | ||
| Midwest vs west | 1.33 | (1.10 to 1.61) |
| Northeast vs west | 1.03 | (0.84 to 1.27) |
| South vs west | 1.58 | (1.31 to 1.90) |
| Education§ | ||
| Moderate vs low | 0.97 | (0.84 to 1.12) |
| High vs low | 0.66 | (0.54 to 0.80) |
| Wave | ||
| Wave 2 vs 1 | 1.13 | (1.02 to 1.25) |
| Wave 3 vs 1 | 1.16 | (1.03 to 1.30) |
| Wave 4 vs 1 | 1.14 | (0.99 to 1.31) |
| Wave 5 vs 1 | 1.13 | (0.97 to 1.33) |
| Wave 6 vs 1 | 1.16 | (0.98 to 1.36) |
| Wave 7 vs 1 | 1.22 | (1.01 to 1.49) |
| Wave 8 vs 1 | 1.59 | (1.25 to 2.02) |
Note that the April 2009 federal excise tax increase occurred between survey waves 7 and 8.
*Adjusted for time-in-sample.
†Income defined as low=≤US$29 999; medium=US$30 000–US$59 999, or high≥US$60 000.
‡Nicotine dependence measured by heaviness of smoking index (scored 0–6) and categorised as either low=<4, or high ≥4.
§Education defined as low: ≤high school; moderate=some college/tech/trade school.
High=college graduate degree or higher.