Table 2 Characteristics of the study population (N = 3253)
From: A new measure for infant mental health screening: development and initial validation
Participants | Non-participants | ||
|---|---|---|---|
% (n) | % (n) | p-value (missing) | |
Sex | |||
Boys | 51.7 (1538) | 51.4 (144) | |
Girls | 48.3 (1435) | 48.6 (136) | .93 (0) |
Gestational age | |||
< 28 weeks | 0.1 (2) | 0.0 (0) | |
28-31 weeks | 0.7 (19) | 0.4 (1) | |
32-36 weeks | 5.1 (144) | 4.5 (12) | |
> = 37 weeks | 94.2 (2680) | 95.1 (254) | .88 (141) |
Birth weight | |||
< 1500 g | 0.4 (11) | 0.4 (1) | |
1500 - <2500 g | 4.2 (119) | 2.7 (7) | |
> = 2500 g | 95.5 (2738) | 97.0 (256) | .50 (121) |
Neonatal complications | |||
Yes | 21.3 (632) | 22.5 (63) | |
No | 78.7 (2341) | 77.5 (217) | .63 (0) |
Apgar score | |||
< 10 | 5.8 (166) | 4.5 (12) | |
> = 10 | 94.2 (2697) | 95.5 (254) | .39 (124) |
Parental factors | |||
Mother smoking in pregnancy | |||
Yes | 12.2 (350) | 14.9 (39) | |
No | 87.8 (2510) | 85.1 (222) | .21 (132) |
Parent young at child birth | |||
< 20 years | 0.4 (11) | 0.0 (0) | |
> = 20 years | 99.6 (2886) | 100.0 (270) | .31 (86) |
Parent born outside Scandinavia | |||
Yes | 27.2 (808) | 48.9 (137) | |
No | 72.8 (2165) | 51.1 (143) | .0001 (0) |
Parent more than 10 years of schooling | |||
No | 9.5 (175) | 18.3 (28) | |
Yes | 90.5 (1672) | 81.7 (125) | .0005 (1253) |
Parents living together at child birth | |||
No | 7.3 (206) | 8.4 (21) | .55 (192) |
Yes | 92.7 (2604) | 91.6 (230) | |
Mother mental health problems | |||
Yes | 27.1 (685) | 23.9 (53) | |
No | 72.9 (1843) | 76.1 (169) | .30 (503) |
Mother-child relationship problems | |||
Yes | 8.7 (221) | 13.5 (30) | |
No | 91.3 (2313) | 86.6 (193) | .02 (496) |