1.

Simplified overview of the Dutch youth care system in relation to the social and medical domains concerning a child and its family and/or social network 1 .

2.

Simplified overview of the Dutch youth care system in relation to the social and medical domains concerning a child and its family and/or social network 1 .

3.

Simplified overview of the Dutch youth care system in relation to the social and medical domains concerning a child and its family and/or social network 1 .

4.

Simplified overview of the Dutch youth care system in relation to the social and medical domains concerning a child and its family and/or social network 1 .

5.

Simplified overview of the Dutch youth care system in relation to the social and medical domains concerning a child and its family and/or social network 1 .

6.

Simplified overview of the Dutch youth care system in relation to the social and medical domains concerning a child and its family and/or social network 1 .

7.

Simplified overview of the Dutch youth care system in relation to the social and medical domains concerning a child and its family and/or social network 1 .

8.

Simplified overview of the Dutch youth care system in relation to the social and medical domains concerning a child and its family and/or social network 1 .

9.

Simplified overview of the Dutch youth care system in relation to the social and medical domains concerning a child and its family and/or social network 1 .

1.

Vignettes—A ‘(suspected) psychiatry’, B ‘multidimensional problems’ and C ‘safety’.

2.

Vignettes—A ‘(suspected) psychiatry’, B ‘multidimensional problems’ and C ‘safety’.

3.

Vignettes—A ‘(suspected) psychiatry’, B ‘multidimensional problems’ and C ‘safety’.

4.

Vignettes—A ‘(suspected) psychiatry’, B ‘multidimensional problems’ and C ‘safety’.

1.

Interview guide.

2.

Interview guide.

3.

Interview guide.

4.

Interview guide.

1.

Methods: Processes related to data acquisition and data analysis (convergent design) 1 .

2.

Methods: Processes related to data acquisition and data analysis (convergent design) 1 .

3.

Methods: Processes related to data acquisition and data analysis (convergent design) 1 .

4.

Methods: Processes related to data acquisition and data analysis (convergent design) 1 .

1.

Flowchart of mechanisms for GPs’ everyday clinical decision-making when encountering psychosocial problems in children and youth 1,2 .

2.

Flowchart of mechanisms for GPs’ everyday clinical decision-making when encountering psychosocial problems in children and youth 1,2 .

3.

Flowchart of mechanisms for GPs’ everyday clinical decision-making when encountering psychosocial problems in children and youth 1,2 .

4.

Flowchart of mechanisms for GPs’ everyday clinical decision-making when encountering psychosocial problems in children and youth 1,2 .

1.

Characteristics of GPs–online survey (n = 15) and interviews (n = 14), N = 29.

2.

Characteristics of GPs–online survey (n = 15) and interviews (n = 14), N = 29.

3.

Characteristics of GPs–online survey (n = 15) and interviews (n = 14), N = 29.

4.

Characteristics of GPs–online survey (n = 15) and interviews (n = 14), N = 29.