Table 4.
Odds Ratios (ORs) and 95% Confidence Intervals (CIs) for Cigarette-only, Cigar-only, and Dual Use Smoking Observations From Multiple Regression GEE Analysis
| Cigarette-only use1 | Cigar-only use2 | Dual use3 | ||||
|---|---|---|---|---|---|---|
| (N = 64, obs = 2694) | (N = 64, obs = 2674) | (N = 64, obs = 2674) | ||||
| OR | 95% CI | OR | 95% CI | OR | 95% CI | |
| Baseline factors | ||||||
| Preferred: Cigarette | Ref | Ref | Ref | |||
| Cigar/no preference | 0.60 | 0.28, 1.29 | 3.27 | 1.70, 6.30*** | 0.64 | 0.24, 1.73 |
| FTCD: Very low | Ref | Ref | Ref | |||
| Low | 1.56 | 0.81, 3.03 | 1.00 | 0.45, 2.26 | 1.91 | 0.66, 5.53 |
| Moderate | 1.02 | 0.46, 2.28 | 1.06 | 0.32, 3.46 | 2.74 | 0.96, 7.82 |
| High or very high | 1.51 | 0.56, 4.03 | 0.56 | 0.13, 3.24 | 2.76 | 0.84, 9.02 |
| Momentary personal factors | ||||||
| Cigarette craving | 1.07 | 1.03, 1.11*** | 0.59 | 0.43, 0.82** | 1.01 | 0.96, 1.05 |
| Cigarette craving^2 | — | — | 1.04 | 1.00, 1.07* | — | — |
| Cigar craving | 0.93 | 0.88, 0.97** | 1.43 | 1.13, 1.82** | 1.08 | 1.03, 1.13** |
| Cigar craving^2 | — | — | 0.98 | 0.96, 1.00* | — | — |
| Relaxed | 0.99 | 0.95, 1.02 | 1.31 | 1.01, 1.70* | 1.05 | 1.00, 1.09* |
| Relaxed^2 | — | — | 0.97 | 0.95, 0.99* | — | — |
| Momentary environmental factors | ||||||
| Cigarette location4 | ||||||
| Home | 0.48 | 0.27, 0.84* | — | — | 0.53 | 0.17, 1.62 |
| Outside | 1.10 | 0.62, 1.96 | — | — | 0.48 | 0.16, 1.44 |
| Vehicle | 0.74 | 0.40, 1.34 | — | — | 0.88 | 0.26, 2.92 |
| Work | 0.65 | 0.38, 1.10 | — | — | 0.88 | 0.27, 2.91 |
| Others’ home | 0.81 | 0.45, 1.46 | — | — | 0.36 | 0.11, 1.14 |
| Other place | 0.58 | 0.25, 1.33 | — | — | 0.07 | 0.01, 0.75* |
| Cigar location4 | ||||||
| Home | — | — | 1.64 | 0.52, 5.17 | 2.39 | 0.64, 8.97 |
| Outside | — | — | 2.31 | 0.54, 9.98 | 3.31 | 0.82, 13.35 |
| Vehicle | — | — | 3.25 | 0.76, 13.85 | 1.34 | 0.30, 6.07 |
| Work | — | — | 1.07 | 0.30, 3.89 | 1.19 | 0.28, 5.08 |
| Others’ home | — | — | 1.64 | 0.52, 5.17 | 4.33 | 1.14, 16.48* |
| Other place | — | — | 0.75 | 0.13, 4.38 | 5.26 | 0.64, 43.47 |
| Cigarette social context5 | ||||||
| Alone | 1.57 | 1.19, 2.06** | — | — | 0.53 | 0.23, 1.26 |
| With others | 0.93 | 0.63, 1.35 | — | — | 0.35 | 0.15, 0.79* |
| Cigar social context5 | ||||||
| Alone | — | — | 0.84 | 0.46, 1.52 | 1.96 | 0.69, 5.55 |
| With others | — | — | 0.69 | 0.37, 1.28 | 4.69 | 1.76, 12.48** |
***p < .001, **p < .01, *p < .05.
HS: high school; GED: general education diploma; FTCD: Fagerström Test for Cigarette Dependence.
1Odds of cigarette-only smoking versus other observations (includes cigar-only smoking, dual use, and nonsmoking).
2Odds of cigar-only smoking versus other observations (includes cigarette-only smoking, dual use, and nonsmoking).
3Odds of dual use versus other observations (includes cigarette-only smoking, cigar-only smoking and nonsmoking).
4Each location versus all other locations.
5Each social context versus all other contexts.