Odds ratio (OR) with 95% confidence intervals (CI) as an estimate of the relative risk of psychiatric symptoms in two groups of low birthweight adolescents compared with a control group at 14 years of age, adjusted for psychosocial factors: psychiatric symptoms ⩾75% of diagnostic criteria any disorder
| VLBW v control (n = 139) | SGA v control (n = 143) | |||
|---|---|---|---|---|
| OR | 95%CI | OR | 95%CI | |
| Bivariate logistic regression analysis displaying adjusted OR for possible confounding factors. | ||||
| †Global severity index on symptom checklist-90-R34 was missing for six VLBW, one SGA, and nine control adolescents. | ||||
| ‡Global severity index on symptom checklist-90-R34 was missing for 10 VLBW, six SGA, and 15 control adolescents. | ||||
| §Hollingshead’s two factor index of social position.37 | ||||
| VLBW, very low birth weight; SGA, small for gestational age. | ||||
| Unadjusted OR | 5.7 | 2.5 to 13.0 | 2.0 | 0.8 to 4.8 |
| Adjusted for: | ||||
| Maternal | ||||
| Age | 5.6 | 2.4 to 12.9 | 1.8 | 0.7 to 4.4 |
| Education | 5.5 | 2.4 to 12.5 | 1.8 | 0.7 to 4.4 |
| Mental health† | 7.1 | 2.7 to 18.8 | 2.1 | 0.8 to 5.4 |
| Paternal | ||||
| Age | 5.6 | 2.4 to 12.8 | 2.1 | 0.9 to 5.1 |
| Education | 5.0 | 2.2 to 11.8 | 1.9 | 0.8 to 4.6 |
| Mental health‡ | 4.7 | 1.8 to 12.4 | 3.1 | 1.1 to 8.6 |
| Socioeconomic status§ | 6.2 | 2.6 to 14.4 | 1.8 | 0.7 to 4.4 |
| Monthly income | 6.0 | 2.5 to 14.2 | 1.9 | 0.8 to 4.8 |
| Single parent | 5.6 | 2.5 to 12.9 | 2.0 | 0.8 to 4.8 |