. Author manuscript; available in PMC: 2022 Jan 6.

Published in final edited form as: Int J Ment Health Addict. 2020 Jun 8;19(6):2116–2130. doi: 10.1007/s11469-020-00304-1

Table 1.

Past-Year and Cumulative Lifetime Prevalence of DSM-IV Disorders

Lifetime/past year/past month (%)		Wave 1			Wave 4			Wave 6			Wave 8			Wave 9
		(N=732)			(N=651)			(N=653)			(N=583)			(N=450)
		(M age=11.1)			(M age=14.3)			(M age =16.2)			(M age =18.3)			(M age =26.3)
		Total	Male	Female	Total	Male	Female	Total	Male	Female	Total	Male	Female	Total	Male	Female
SUDs	LT	2.7	2.5	3.0	26.4	25.0	27.9	38.1	36.3	39.9	48.0	45.0	50.8	68.2	65.8	70.0
SUDs	PY	2.7	2.5	3.0	23.7	22.7	24.7	27.7	25.9	29.6	24.2	25.0	23.5	20.9	23.2	19.2
Alcohol Abuse	LT	1.4	1.1	1.6	14.5	13.6	15.5	24.2	21.3	27.1^τ	32.1	28.3	35.5^τ	50.4	45.8	53.8
Alcohol Abuse	PY	1.4	1.1	1.6	13.4	12.7	14.0	16.2	14.8	17.7	15.1	14.9	15.4	7.6	7.9	7.3
Alcohol Dependence	LT	0.4	0.5	0.3	7.4	6.5	8.2	14.9	12.7	17.1	17.8	17.0	18.6	24.4	24.2	24.6
Alcohol Dependence	PY	0.0	0.0	0.0	2.5	3.1	1.8	6.0	4.3	7.6^τ	4.8	5.1	4.6	4.2	6.8	2.3^*
Marijuana Abuse	LT	0.6	0.5	0.5	8.3	9.3	7.3	12.3	13.3	11.3	16.2	17.1	15.4	19.6	18.9	20.0
Marijuana Abuse	PY	0.6	0.5	0.5	6.9	7.8	6.1	6.3	7.1	5.5	4.3	5.5	3.3	1.8	2.1	1.5
Marijuana Dependence	LT	1.6	1.1	2.2	13.6	11.5	15.8	18.5	17.2	19.8	23.3	22.7	23.9	22.7	18.9	25.4
Marijuana Dependence	PY	1.6	1.1	2.2	11	10.2	13.4	9.6	10.2	9.1	7.4	7.3	7.5	2.7	2.1	3.1
Other Substance Abuse	LT	0.0	0.0	0.0	1.1	1.2	0.9	1.1	1.5	0.6	1.2	1.5	1.0	11.1	12.6	10.0
Other Substance Abuse	PY	0.0	0.0	0.0	1.1	1.2	0.9	0.0	0.0	0.0	0.0	0.0	0.0	2.9	2.6	3.1
Other Substance Dependence	LT	0.0	0.0	0.0	1.1	0.6	1.5	1.9	0.9	2.8^τ	2.3	1.9	2.6	18.7	13.2	22.7^*
Other Substance Dependence	PY	0.0	0.0	0.0	0.9	0.3	1.5	1.2	0.6	1.9	1.4	1.5	1.3	6.0	4.7	6.9
GAD	LT													15.6	8.9	20.4^**
	PY	3.4	1.9	4.9^*	4.6	3.1	6.1^τ	0.3	0.0	0.6	1.0	0.7	1.3	5.6	4.7	6.2
	PM	1.8	0.5	3.0^*	1.8	0.9	2.7^τ	0.2	0.0	0.3	0.9	0.7	1.0	2.7	2.1	3.1
MDD	LT													24.0	17.4	28.8^**
	PY	3.7	3.3	4.1	7.8	5.3	10.4^*	4.5	2.8	6.1^*	1.9	0.7	3.0^*	7.3	4.7	9.2^τ
	PM	1.1	0.3	1.9^*	2.5	0.9	4.0^*	1.8	1.5	2.1	1.0	0.7	1.3	2.0	1.1	2.7
DD	LT													5.6	5.8	5.4
	PY	0.8	1.4	0.3	0.6	0.9	0.3	0.5	0.6	0.3	0.5	0.0	1.0^τ	1.1	1.1	1.2
	PM	0.6	0.8	0.3	0.3	0.6	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.4	0.5	0.4
ADHD	LT													18.4	20	17.3
ADHD	PY	9.6	12.1	7.1^*	7.8	8.7	7.0	1.4	1.2	1.5	1.0	0.7	1.3	2.9	2.1	3.5
At Least One Disorder^a	LT^a	16.4	18.1	14.8	35.1	34.0	36.4	43.4	42.2	44.7	52.8	49.6	55.6	77.3	76.3	78.1
At Least One Disorder^a	PY	16.4	18.1	14.8	33.0	32	34.1	30.2	28.1	32.3	26.4	26.1	26.8	28.7	28.9	28.5
Two or More Disorders^a	LT^a	4.2	3.6	4.9	16.0	14.8	17.3	26.4	24.4	28.6	32.4	29.9	34.6	56.4	54.2	58.1
Two or More Disorders^a	PY	3.7	3.0	4.4	8.1	6.2	10.1^τ	3.4	2.2	4.6^τ	2.1	0.7	3.3^*	6.7	5.3	7.7

Note.

Lifetime (all alcohol/SUDs) + past year (GAD, mood disorders, and ADHD Wave 1–8; Lifetime (all disorders) Wave 9. Combined caretaker and youth reports Waves 1, 4; Youth reports only, Waves 6, 8, 9.

^τ

p<.10;

p<.05;

^**

p<.01