Table 1 Characteristics of the study population, presented as proportion

Number of adolescents (%)

386,690 (91.83)

3453 (0.82)

13,881 (3.30)

1882 (0.45)

4569 (1.08)

3118 (0.74)

998 (0.24)

5257 (1.25)

1262 (0.30)

Girls (%)

48.06

69.50

50.97

52.44

49.44

44.00

65.63

50.62

46.67

Majority (%)

89.69

95.66

94.26

92.40

91.70

95.38

96.29

91.10

89.54

 1. generation (%)

6.38

1.97

2.38

3.03

4.92

2.47

2.10

5.80

6.02

 2. generation (%)

3.93

2.37

3.36

4.57

3.37

2.15

1.60

3.10

4.44

Parental education: upper secondary education and below (%)

52.92

49.52

52.06

55.59

56.42

56.70

52.30

56.71

55.47

Parental education: any college/university education (%)

44.90

49.81

47.17

42.08

41.72

42.30

47.49

41.15

42.87

Parental income (log income), mean and (SD)

12.6 (0.67)

12.7 (0.49)

12.7 (0.44)

12.7 (0.38)

12.6 (0.62)

12.6 (0.58)

12.7 (0.35)

12.6 (0.65)

12.6 (0.54)

Treated in mental health care (%)

5.47

6.51

7.70

13.48

9.01

7.01

8.33

7.69