| | Main effects model | Interaction effects model | | Adjusted odds ratio | (95% CI) LCI, UCI | Adjusted Odds Ratio | (95% CI) LCI, UCI |
| Age Group | | | | | 18–44 | 0.83 | (0.49, 1.40) | 0.87 | (0.51, 1.50) | 45+ | Ref. | | Ref. | | Borough of Residence | | | | | Brooklyn | 1.10 | (0.55, 2.22) | 1.06 | (0.52, 2.19) | Manhattan | 0.66 | (0.30, 1.48) | 0.63 | (0.27, 1.47) | Queens | 1.03 | (0.48, 2.22) | 1.00 | (0.45,2.20) | Staten Island | 1.17 | (0.42, 3.23) | 1.02 | (0.32, 3.20) | Bronx | Ref. | | Ref. | | Time to first cigarette of the day | | | | | More than 1 hour after waking up | 8.32* | (2.05, 13.70) | 8.76* | (5.38, 14.27) | Within 60 minutes of waking up | Ref. | | Ref. | | Last cigarette purchased | | | | | Carton | 0.39* | (0.17, 0.91) | 0.41* | (0.19, 0.90) | Single/loosie/bummed/rolled-your-own | 3.61* | (1.79, 7.28) | 3.49* | (1.72, 7.08) | Pack | Ref. | | Ref. | | Cessation attempts in the past year | | | | | Tried to quit smoking | 2.15* | (1.28, 3.60) | 2.32* | (1.36, 3.96) | Did not try to quit smoking | Ref. | | Ref. | | Sex | | | | | Male | 0.87 | (0.53, 1.40) | 0.51 | (0.22, 1.16) | Female | Ref. | | Ref. | | Race/ethnicity | | | | | All other races | 1.11 | (0.64, 1.91) | 0.66 | (0.3, 1.24) | White | Ref. | | Ref. | | Rules about smoking in home | | | | | Smoking is not allowed | 1.10 | (0.68, 1.79) | 0.74 | (0.43, 1.28) | Smoking is allowed in some or all areas | Ref. | | Ref. | | Education (among adults aged 18+) | | | | | Some college or more | 1.75* | (1.06, 2.91) | 1.03 | (0.80, 1.35) | High school grad or less | Ref. | | Ref. | | Last cigarette purchased | | | | | Outside NYC/tax-avoidant | 1.51 | (0.80, 2.84) | 0.54 | (0.20, 1.41) | In New York City/nontax-avoidant | Ref. | | Ref. | | Binge drinker | | | | | Yes | 1.06 | (0.60, 1.88) | 0.45* | (0.20, 1.01) | No | Ref. | | Ref. | |
| Smoking not allowed in the home X tax-avoidant | — | — | 6.57* | (1.96, 22.01) | All other race X binge drinker | — | — | 4.62* | (1.59, 13.48) | Sex X some college or more education | — | — | 2.49† | (0.91, 6.82) |
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