Table 5.
Prevalence of substance use disorders among adolescent hallucinogen users aged 12–17 years by hallucinogen diagnostic status (N = 1,585)
| Hallucinogen use status, % (SE) | A: Hallucinogen dependence | B: Hallucinogen abuse | C: Hallucinogen subthreshold dependence | D: Use without DSM-IV symptom | χ2 test1 |
|---|---|---|---|---|---|
| Sample size | 95 | 161 | 201 | 1128 | |
|
| |||||
| Abuse or dependence2 | |||||
| Marijuana | 68.8 (5.92) | 64.7 (5.30) | 42.3 (4.40) | 34.8 (1.91) | AB > C > D |
| Alcohol | 67.9 (5.88) | 63.6 (5.72) | 46.7 (4.68) | 31.9 (2.02) | A > D |
| Nicotine dependence2 | 44.7 (6.30) | 32.9 (4.91) | 38.2 (4.64) | 28.8 (1.98) | NS |
| Opioids/analgesics | 38.9 (6.20) | 39.1 (6.37) | 9.8 (2.82) | 8.4 (1.26) | AB > CD |
| Cocaine | 27.9 (5.38) | 15.1 (3.56) | 10.1 (2.59) | 4.3 (0.82) | ABC > D, A >C |
| Tranquilizers | 11.1 (4.54) | 20.5 (5.37) | 5.0 (2.10) | 2.2 (0.60) | AB > D |
| Stimulants | 17.4 (3.98) | 16.6 (4.62) | 5.8 (2.47) | 2.3 (0.44) | AB > D |
| Inhalants | 19.1 (5.00) | 15.3 (3.80) | 4.1 (1.94) | 2.6 (0.57) | A > CD |
| Heroin | 10.1 (3.83) | 3.1 (2.46) | 0.5 (0.51) | 0.4 (0.18) | A > D |
| Sedatives | 5.4 (3.16) | 7.5 (3.80) | 1.2 (0.69) | 0.2 (0.13) | AB > D |
1
P < 0.05; NS: p > 0.05.
2
Except for past-month nicotine dependence; all the other substances refer to past-year abuse or dependence. The prevalence of nicotine dependence was expected to be higher than the current rate for past-month if it was based on a 12-month period.