Table 1.
Participant characteristics
| Opioid-Dependent Smokers (N=47) |
Non-SUD Smokers (N=25) |
p-value | |
|---|---|---|---|
| Female, % | 51 | 32 | 0.15 |
| Caucasian, % | 92 | 92 | 0.10 |
| Age, years | 33.4 ± 10.4 | 27.3 ± 9.1 | 0.02 |
| Education completed, years | 12.6 ± 1.5 | 14.1 ± 2.1 | 0.01 |
| Number of cigs/day in past week | 17.6 ± 6.3 | 18.2 ± 6.0 | 0.69 |
| Number of years smoked regularly | 17.7 ± 10.7 | 9.0 ± 9.4 | <0.01 |
| Urinary cotinine at intake, ng/ml | 1189.7 ± 617.7 | 1245.5 ± 618.3 | 0.72 |
| Breath CO at intake, ppm | 9.8 ± 5.4 | 21.0 ± 8.0 | <0.01 |
| FTCDa | 4.7 ± 2.0 | 6.0 ± 1.4 | <0.01 |
Note: Table 1 values represent mean ± SD unless otherwise indicated.
a
Fagerstrom Test for Cigarette Dependence; possible score range: 0–10