Variable | Preschoolers (n = 309, 34.8%) | School age (n = 428, 48.3%) | Adolescents (n = 149, 16.8%) | Total (n = 886) | Statistic | p value |
---|---|---|---|---|---|---|
Family history of psychiatric illness | 41 (13.5%) | 75 (17.7%) | 21 (14.1%) | 137 (15.6%) | x2 = 2.7 | 0.3 |
History of birth complications | 78 (25.7%)a | 67 (15.9%)b | 13 (8.7%)c | 158 (18.1%) | x2 = 21.9 | ≤ 0.001 |
History of delayed milestones | 171 (56.4%)a | 186 (44.1%)b | 37 (24.8%)c | 394 (45.1%) | x2 = 40.6 | ≤ 0.001 |
Birth order (5th or more) | 4 (1.3%) | 10 (2.3%) | 3 (2%) | 17 (1.9%) | FET | 0.6 |
History of abuse | ||||||
 Physical punishment | 51 (16.8%)a | 91 (21.6%)a | 31 (20.8%)a | 137 (19.8%) | FET | ≤ 0.001 |
 Physical abuse | 8 (2.6%)a | 35 (8.3%)b | 7 (4.7%)a, b | 50 (5.7%) | ||
 Sexual abuse | 0 (0.0%)a | 5 (1.2%)a, b | 4 (2.7%)b | 9 (1%) | ||
 Need for admission | 5 (1.6%)a | 34 (7.9%)b | 31 (20.8%)c | 70 (7.9%) | x2 = 50.9 | ≤ 0.001 |