Table 1 Overview included studies

Adrian & Smith (2014) GBR [46]

Pre-post test (2001–2011)

Home-based treatment:

Yes

Serious mental illness in crisis, admission is considered

Range: 12–17

Mean: 16

Boys: 38

Girls: 62

White:

Black:

Asian:

Other:

73

13

4

10

Psychiatrist

Nurse practitioner

Psychologist

Support worker

Administrator

2b^c

Small caseload (size < 10):

NR^d

Hardly assessable patients:

Yes

Transition case management:

Yes

Early intervention:

Yes

Psychiatric assessment at home:

Yes

Family support:

Yes

Therapy^e:

Yes

Pharmacology:

Yes

Ahrens et al. (2007) USA [47]

Pre-post test (1998–2000)

Home-based treatment:

Yes

Long-term mental healthcare needs in transition to adulthood

Range: 15–20

Mean: 17

Boys: 80

Girls: 20

White:

Black:

80

20

Interdisciplinary, not specified

2b^c

Small caseload (size < 10):

NR^d

Hardly assessable patients:

Yes

Transition case management:

Yes

Early intervention:

Yes

Psychiatric assessment at home:

Yes

Family support

Yes

Therapy^e:

Yes

Pharmacology:

Yes

Baier et al. (2013) CHE [6]

Pre-post test (2009–2010)

Home-based treatment:

Yes

Psychiatric symptoms and avoiding outpatient care

Range: 13–18

Mean: 16

Boys: 43

Girls: 57

NR^d

Child psychiatrist

Social workers

Nurses

2b^c

Small caseload (size < 10):

Yes

Hardly assessable patients:

Yes

Transition case management:

Yes

Early intervention:

Yes

Psychiatric assessment at home

Yes

Family support:

Yes

Therapy^e:

Yes

Pharmacology:

Yes

Chai et al. (2012) AUS [48]

Pre-post test (2006–2008)

Home-based treatment:

Yes

Psychiatric symptoms and avoiding outpatient care

Range: 11–17

Modal: 15

Boys: 32

Girls: 68

NR^d

Psychiatrist

Social workers

“Clinicians”

2b^c

Small caseload (size < 10):

Yes

Hardly assessable patients:

Yes

Transition case management:

Yes

Early intervention:

Yes

Psychiatric assessment at home:

NR^d

Family support:

Yes

Therapy^e:

Yes

Pharmacology:

Yes

Godley et al. (2002) USA [49]

RCT (1999–2001)

Home-based treatment:

Yes

Alcohol/ drugs dependence or abuse

Range: 12–17

Mean: 16

Boys: 80

Girls: 20

White:

Black:

Other:

74

17

9

Case manager (not specified)

2b^c

Small caseload (size < 10):

Yes

Hardly assessable patients:

Yes

Transition case management:

Yes

Early intervention:

Yes

Psychiatric assessment at home:

Yes

Family support:

Yes

Therapy^e:

Yes

Pharmacology:

NR^d

Godley et al. (2006) USA [50]

RCT (1999–2003)

Home-based treatment:

Yes

Alcohol/ drugs dependence or abuse

Range: 12–18

Mean: 16

Boys: 71

Girls: 29

White:

Black:

Other:

73

18

9

Case manager (not specified)

2b^c

Small caseload (size < 10)

Yes

Hardly assessable patients:

Yes

Transition case management:

Yes

Early intervention:

Yes

Psychiatric assessment at home:

Yes

Family support:

Yes

Therapy^e:

Yes

Pharmacology:

NR^d

Godley et al. (2010) USA [51]

RCT (2002–2007)

Home-based treatment:

Yes

Alcohol /drugs dependence or abuse

Range: 12–18

Mean: 16

Boys: 76

Girls: 24

White:

Black:

Other:

73

13

14

Case manager (not specified)

2b^c

Small caseload (size < 10):

No

Hardly assessable patients:

Yes

Transition case management:

Yes

Early intervention:

Yes

Psychiatric assessment at home:

Yes

Family support:

Yes

Therapy^e:

Yes

Pharmacology:

NR^d

Godley et al. (2015) USA [52]

RCT (2004–2008)

Home-based treatment:

Yes

Alcohol /drugs dependence or abuse

Range: 12–18

Mean: 16

Boys: 63

Girls: 37

White:

Black:

Other:

70

12

18

Case manager (not specified)

2b^c

Small caseload (size < 10):

NR^d

Hardly assessable patients:

Yes

Transition case management:

Yes

Early intervention:

Yes

Psychiatric assessment at home:

Yes

Family support:

Yes

Therapy^e:

Yes

Pharmacology:

NR^d

McFarlane et al. (2014) USA [40]

Quasi-experimental (2007–2010)

Home-based treatment:

Yes

Risk or early symptoms of psychosis

Range: NR^d

Mean: 17

Boys: 60

Girls: 40

White:

Black:

Other:

62

9

19

Psychiatrist

Nurse practitioner

Nurse

Occupational therapist

Clinical counsellors

2b^c

Small caseload (size < 10):

Yes

Hardly assessable patients:

Yes

Transition case management:

Yes

Early intervention:

Yes

Psychiatric assessment at home:

Yes

Family support

Yes

Therapy^e:

Yes

Pharmacology:

Yes

McGarvey et al. (2014) USA [41]

Pre-post test (2007–2010)

Home-based treatment:

Yes

Substance use or co-occurring disorder and low income

Range: 12–18

Mean: 16

Boys: 60

Girls: 40

White:

Black:

Other:

62

9

19

Psychiatrist

Nurse practitioner

Nurse

Occupational therapist

Clinical counsellors

2b^c

Small caseload (size < 10):

NR^d

Hardly assessable patients:

Yes

Transition case management:

Yes

Early intervention:

Yes

Psychiatric assessment at home:

NR^d

Family support:

Yes

Therapy^e:

Yes

Pharmacology:

Yes

Schley et al. (2008) AUS [42]

Pre-post test (2000–2004)

Home-based treatment:

Yes

Psychiatric symptoms, with high-risk of self-harm or harming others, avoiding outpatient care

Range: 12–18

Mean: 16

Boys: 77

Girls: 23

City

Clinical trainers

Therapist (not specified)

2b^c

White:

Black:

52

48

Small caseload (size < 10):

Yes

County

White:

Black:

63

37

Hardly assessable patients:

Yes

Transition case management:

Yes

Early intervention:

Yes

Psychiatric assessment at home:

Yes

Family support:

Yes

Therapy^e:

Yes

Pharmacology:

NR^d

Urben et al. (2015) CHE [8]

Pre-post test (2010–2013)

Home-based treatment:

Yes

Psychiatric symptoms and avoiding outpatient care

Range: NR^d

Mean: 17

Boys: 53

Girls: 47

NR^d

Psychiatrist

Psychologist

Social workers

Occupational therapist

Psychiatric nurse

2b^c

Small caseload (size < 10):

Yes

Hardly assessable patients:

Yes

Transition case management:

Yes

Early intervention:

Yes

Psychiatric assessment at home:

Yes

Family support:

Yes

Therapy^e:

Yes

Pharmacology:

Yes

Urben et al. (2016) CHE [43]

Pre-post test (NR^d)

Home-based treatment:

Yes

Psychiatric symptoms and avoiding outpatient care

Range: 13–18

Mean: NR^d

Boys: 61

Girls: 39

NR^d

Psychiatrist

Psychologist

Social workers

Occupational therapist

Psychiatric nurse

2b^c

Small caseload (size < 10):

Yes

Hardly assessable patients:

Yes

Transition case management:

Yes

Early intervention:

Yes

Psychiatric assessment at home:

Yes

Family support:

Yes

Therapy^e:

Yes

Pharmacology:

Yes