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Table 1 Demographic details of the two samples

From: Are perinatal measures associated with adolescent mental health? A retrospective exploration with original data from psychiatric cohorts

 

SUD group (n = 196)

GEN group (n = 307)

Test-statistic

p-value

Females (%)

76 (38.8)

163 (53.1)

X² (1) = 9.84

0.002*

Mean age

15.8 (1.4)

12.7 (3.5)

t (501) = 11.84

< 0.001*

N with ICD-10 Disorders1 (%)

    

F00-09

1 (0.5)

0

X² (1) = 1.57

0.210

F10-19

163 (83.2)

7 (2.3)

X² (1) = 349.77

< 0.001*

F20-29

1 (0.5)

1 (0.3)

X² (1) = 0.10

0.749

F30-39

38 (19.4)

116 (37.8)

X² (1) = 19.06

< 0.001*

F40-49

37 (18.9)

152 (49.5)

X² (1) = 47.86

< 0.001*

F50-59

2 (1.0)

34 (11.1)

X² (1) = 18.20

< 0.001*

F60-69

10 (5.1)

9 (2.9)

X² (1) = 1.55

0.213

F70-79

2 (1.0)

2 (0.7)

X² (1) = 0.21

0.650

F80-89

3 (1.5)

17 (5.5)

X² (1) = 5.03

0.025*

F90

31 (15.8)

69 (22.5)

X² (1) = 3.33

0.068

F91

69 (35.2)

40 (13.0)

X² (1) = 34.65

< 0.001*

F92

3 (1.5)

23 (7.5)

X² (1) = 8.67

0.003*

F93

7 (3.6)

60 (19.5)

X² (1) = 24.43

< 0.001*

F94

1 (0.5)

9 (2.9)

X² (1) = 3.60

0.058

F95

0 (0)

16 (5.2)

X² (1) = 10.55

0.001*

F98

12 (6.1)

27 (8.8(

X² (1) = 1.19

0.274

  1. Note: *significant at the 0.05 level; 1The corresponding disorders to the ICD-10 codes can be found in Table S1