Table 4.
Comparison of prevalence rates
| Northern Midwest adolescents
|
Northern Midwest adults N = 840 (age 19–77) |
Beals et al. (1997) AI sample N = 109 (mean age 15.6) |
Beals et al. (2005) AI-SUP1ERPFP
|
Copeland et al. (2011) Great Smoky Mtns. sample N = 1,420 (age 9–21) |
Kessler et al. (2005a/b) NCS-R sample N = 9,282 (age 18 +) |
|||
|---|---|---|---|---|---|---|---|---|
| N = 592 (mean age 16.2) | N = 524 (mean age 18.3) | N = 1,638 (age 15–54) | N = 1,446 (age 15–54) | |||||
| Lifetime/past 6 year/past months (%) | Wave 6 | Wave 8 | Wave 1 | Northern plains | Southwest | CIDI | ||
| Alcohol/substance use disorders | ||||||||
| LT | 42.2 | 51.0 | 69.4 | 37 | 27.1 | 42.0 | 14.6a | |
| PY | 29.9 | 25.8 | 18.9f | 18.3 | 17.5 | 10.5 | 3.8b | |
| Alcohol abuse | ||||||||
| LT | 24.7 | 32.7 | 67.1 | 18.1 | 14.1 | 13.2 | ||
| PY | 16.9 | 15.3 | 13.2 | 6.6 | 4.1 | 3.1 | ||
| Alcohol dependence | ||||||||
| LT | 14.5 | 17.6 | 19.6 | 16.6 | 9.8 | 5.4 | ||
| PY | 5.2 | 4.2 | 3.9 | 9.8 | 4.5 | 1.3 | ||
| Alcohol dependence/abusee | ||||||||
| LT | 22.1 | 19.5 | 14.0 | 11.0 | ||||
| Marijuana abuse | ||||||||
| LT | 12.8 | 16.8 | ||||||
| PY | 6.3 | 4.0 | ||||||
| Marijuana dependence | ||||||||
| LT | 18.9 | 23.7 | ||||||
| PY | 10.0 | 7.4 | ||||||
| Marijuana dependence/abuse | ||||||||
| PY | 16.2 | 11.5 | 8.6 | |||||
| Other substance abuse | ||||||||
| LT | 1.0 | 1.2 | ||||||
| PY | 0.0 | 0.0 | ||||||
| Other substance dependence | ||||||||
| LT | 1.5 | 1.9 | ||||||
| PY | 1.0 | 1.4 | ||||||
| Other substance dependence/abuse | ||||||||
| PY | 1.0 | 1.3 | 3.9 | |||||
| Generalized anxiety disorder | ||||||||
| LT | 4.8 | 1.7 | 3.3 | 5.7 | ||||
| PY | 0.3 | 0.8 | 3.2 | 1.0 | 1.8 | 3.1 | ||
| PM | 0.2 | 0.6 | ||||||
| Mood disorders | ||||||||
| PY | 4.9 | 2.1 | 14.8g | 9.5 | ||||
| PM | 1.9 | 1.0 | ||||||
| Major depressive disorder/episode | ||||||||
| LT | 16.7 | 7.8 | 10.7 | 16.6 | ||||
| PY | 4.6 | 1.5 | 8.1 | 4.3 | 6.5 | 6.7 | ||
| PM | 1.9 | 1.0 | 4.7 | |||||
| Disruptive behavior disorder | ||||||||
| LTc | 31.9 | 33.4 | 23.5 | |||||
| PY | 10.3 | 3.6 | 13.8c | |||||
| Attention deficit/hyperactivity | ||||||||
| LT | 8.1 | |||||||
| PY | 1.4 | 1.0 | 10.6 | 4.1 | ||||
| Oppositional defiant disorder | ||||||||
| LT | 8.5 | |||||||
| PY | 3.5 | 1.7 | 2.9 | 1.0 | ||||
| Conduct disorder | ||||||||
| LT | 31.4 | 32.1 | 9.5 | |||||
| PY | 7.8 | 1.3 | 3.8 | 1.0 | ||||
| At least one disorder | ||||||||
| LT | 51.4d | 58.2d | 71.8 | 61.1 | 46.4 | |||
| PY | 34.1 | 28.1 | 24.8f | 21.1 | 26.2 | |||
| Two or more disorders | ||||||||
| LT | 32.1d | 37.2d | 37.0 | 27.7 | ||||
| PY | 16.7 | 11.3 | 8.6f | 11.8 | ||||
a
Lifetime rates come from Kessler, Berglund, Demler, Jin, Merikangas, and Walters (2005)
b
Past-year rates come from Kessler, Chiu, Demler, and Walters (2005)
c
Lifetime (conduct disorder) + past year (attention deficit/hyperactivity disorder and oppositional defiant disorder)
d
Lifetime (all alcohol/substance use disorders and conduct disorder) + past year (generalized anxiety disorder, mood disorders, attention deficit/hyperactivity disorder, and oppositional defiant disorder)
e
Alcohol abuse with or without dependence
f
Includes alc. abuse/dep, drug abuse, MDD, and GAD)
g
Lifetime diagnosis