Table 2.
Substance Use By Smoking Status
|
Smoking status | |||||
|---|---|---|---|---|---|
| Substance | All (n=200) | Current (n=58) | Former (n=79) | Never (n=63) | p Value |
| Marijuana | <0.001b | ||||
| Past, n (%) | 91 (46) | 29 (50) | 45 (57) | 17 (27) | |
| Current, n (%) | 47 (24) | 21 (36) | 16 (20) | 10 (16) | |
| Never, n (%) | 62 (31) | 8 (14) | 18 (23) | 36 (57) | |
| Joint yearsa, mean (SD) | 15.3 (32.0) | 21.1 (34.6) | 12.9 (28.7) | 9.8 (33.3) | 0.014c |
| Inhalant | <0.001b | ||||
| Past, n (%) | 63 (32) | 31 (53) | 24 (30) | 8 (13) | |
| Current, n (%) | 7 (4) | 6 (10) | 0 (0) | 1 (2) | |
| Never, n (%) | 130 (65) | 21 (36) | 55 (70) | 54 (86) | |
| Intravenous drug use | <0.001b | ||||
| Past, n (%) | 31 (16) | 16 (27) | 13 (16) | 2 (3) | |
| Current, n (%) | 1 (1) | 1 (2) | 0 (0) | 0 (0) | |
| Never, n (%) | 168 (84) | 41 (71) | 66 (84) | 61 (97) | |
| Alcohol | 0.002b | ||||
| Past, n (%) | 42 (21) | 16 (28) | 22 (28) | 4 (6) | |
| Current, n (%) | 135 (68) | 39 (67) | 49 (62) | 47 (75) | |
| Never, n (%) | 23 (12) | 3 (5) | 8 (10) | 12 (19) | |
a
Joint years was measured only for those who were current or past users (all, n=138; current, n=50; former, n=61; never, n=27); bChi-square, cKruskal-Wallis.