Table 1.

Prevalence of any psychiatric disorder in adolescents, from studies published since 1997

Study	Year of Publication	Nationality	Instrument	Time frame	Taxonomy	Age range	Number of subjects	Prevalence of any psychiatric disorder
(Verhulst et al., 1997)	1997	Holland USA (American Indian)	DISC	6 months	DSM-IIIR	13-18	780	35.5
(Beals et al., 1997)	1997		DISC	6 months	DSM-IIIR	14--16	109	21.1
(Canals et al., 1997)	1997	Spain	SCAN	12 months	DSM-IIIR	18	290	20.6
(Krueger et al., 1998)	1998	New Zealand	DIS	12 months	DSM-IIIR	18	930	44
(Lewinsohn et al., 1998)	1998	USA	K-SADS	current	DSM-IIIR	14-18	1709	9.6
(Lewinsohn et al., 1998)	1998	USA	K-SADS	current	DSM-IIIR	15-19	1507	7.8
(Meltzer et al., 1999)	1999	UK	DAWBA	current	DSM-IV	11--15	4609	11.2
(Rueter et al., 1999)	1999	USA	UM-CIDI	5 years	DSM-IIIR	15--19	303	~*
(Johnson et al., 2000)	2000	USA	DISC	6 months	DSM-IIIR	12--16	688	~**
(Fergusson and Horwood, 2001)	2001	New Zealand	CIDI*	12 months	DSM-IIIR	15	1000	22
(Fergusson and Horwood, 2001)	2001	New Zealand	CIDI*	12 months	DSM-IIIR	18	1000	42
(Romano et al., 2001)	2001	Canada	DISC	6 months	DSM_IIIR	14--17	2000	20.1
[Costello, 2003 #15807}	2003	USA	CAPA	3 months	DSM-IV	13-16	1420	22.8
(Gau et al., 2005)	2005	Taiwan	K-SADS-E	3months	DSM-IV	13--15	1070	20.3
(Gau et al., 2005)	2005	Taiwan	K-SADS-E	3months	DSM-IV	14-16	1051	22.7
(Gau et al., 2005)	2005	Taiwan	K-SADS-E	3months	DSM-IV	13	1051	22.7
(Gau et al., 2005)	2005	Taiwan	K-SADS-E	3months	DSM-IV	14	1035	14.8
(Green et al., 2005)	2005	UK	DAWBA	current	DSM-IV	11--16	4051	11.5
(Lynch et al., 2006)	2006	Ireland	K-SADS	current	DSM-IV	12--15	723	15.6
(Shear et al., 2006)	2006	US	CIDI	childhood	DSM-IV	15-17	479	~***
(Ehringer et al., 2006)	2007	USA	DISC	12 months	ICD-10	12--19	2750	6.0
Benjet, 2009 #23894	2009	Mexico	CIDI	12 months	DSM-IV	12--17	3005	39.4
Kessler	2011	USA	CIDI	1month	DSM-IV	13--17	10,123	25.5

DISC Diagnostic Interview Schedule for Children (Shaffer et al., 1989) (Shaffer et al., 2000)

SCAN Schedules for Clinical Assessment in Neuropsychiatry (Wing et al., 1992)

DIS Diagnostic Interview schedule (Robins et al., 1981, Robins et al., 1982)

K-SADS Schedule for Affective Disorders and Schizophrenia for School-Aged Children (Kaufman et al., 1997)

DAWBA Development and Well-Being Assessment:(Goodman et al., 2000)

CIDI Composite International Diagnostic Interview (Andrews and Peters, 1998)

CIDI* CIDI adapted for this study (Goodwin et al., 2004)

CAPA Child and Adolescen Psychiatric Assessment (Angold et al., 1995)

^~*Anxiety and depression only

^~**Alcohol problems only

^~***Separation anxiety disorder only