Characteristic | Overall (N = 150) %/M ± SD/ Md (Q1, Q3) | Smokers (n = 126) n(%)/M ± SD/ Md (Q1, Q3) | Non-smokers (n = 24) n(%)/M ± SD/ Md (Q1, Q3) | p |
---|---|---|---|---|
Urine drug screen | ||||
 Any drug | 74(49.3) | 65(51.6) | 9(37.5) | .20 |
 Opiates | 37(24.7) | 32(25.4) | 5(20.8) | .63 |
 Cocaine | 44(29.5) | 41(32.5) | 3(12.5) | .04 |
 Benzodiazepines | 23(15.3) | 19(15.1) | 4(16.7) | .76 |
 Amphetamines | 17(11.3) | 14(11.1) | 3(12.5) | .73 |
Alcohol and drug use | ||||
 Past 30 days use | ||||
 Alcohol | 47(31.3) | 44(34.9) | 3(12.5) | .02 |
 Alcohol intoxication | 36(24.0) | 36(28.5) | 0(0.0) | .002 |
 Cannabis | 44(29.3) | 38(30.1) | 6(25) | .61 |
 Methadone | 148(98.6) | 124(98.4) | 24(100) | .53 |
 Opiates | 33(22.0) | 28(22.2) | 5(20.8) | .88 |
 Cocaine | 36(24.0) | 35(27.7) | 1(4.1) | .01 |
 Barbiturates | 6(4.0) | 4(3.1) | 2(8.3) | .23 |
 Hallucinogens | 5(3.3) | 5(3.9) | 0(0) | .32 |
 Inhalants | 1(0.6) | 1(0.7) | 0(0) | .66 |
 Lifetime use (years) | ||||
 Alcohol | 2(0, 7) | 2(0, 9.75) | 0(0, 3.7) | .11 |
 Alcohol intoxication | 1(0, 6.7) | 1.5(0 7.0) | 0(0, 2) | .04 |
 Cannabis | 3.5(0, 15) | 4.5(0, 15) | 0(0, 22.5) | .80 |
 Methadone | 8(3, 12.7) | 7(2.25, 15) | 10.5(5.25, 23.5) | .08 |
 Opiates | 1(0, 5) | 1(0, 5) | 2(0, 7) | .50 |
 Cocaine | 4.5(0, 14.5) | 5(0, 15) | 2(0, 8.5) | .19 |
 Barbiturates | 0(0, 0) | 0(0, 0) | 0(0, 0) | .07 |
 Hallucinogens | 0(0, 1) | 0(0, 1) | 0(0, 0.25) | .87 |
 Inhalants | 0(0, 0) | 0(0, 0) | 0(0, 0) | .19 |