Odds ratios (95% CIs) for VLBW cohort compared with CHDS cohort after adjustment for covariates
| Measure | VLBW (<1000 g) vs CHDS | VLBW (1000–1499 g) vs CHDS | |
|---|---|---|---|
| Behaviour problems: | |||
| Inattention/hyperactivity | 6.0 (2.9, 12.4) | 4.9 (2.9, 8.3) | |
| Conduct problems | 2.1 (0.9, 4.9) | 3.0 (1.7, 5.1) | |
| Anxiety/withdrawal | 5.9 (3.1, 11.3) | 3.4 (2.0, 5.8) | |
| Cognitive impairment: | |||
| WISC-R Total IQ <85 | 6.3 (3.1, 12.9) | 3.2 (1.9, 5.3) | |
| Below average school performance: | |||
| Reading | 2.9 (1.4,5.8) | 3.0 (1.9, 4.8) | |
| Written expression | 3.0 (1.6, 5.7) | 2.5 (1.6, 3.9) | |
| Spelling | 3.7 (1.9, 6.9) | 2.9 (1.9, 4.5) | |
| Mathematics | 4.6 (2.5, 8.4) | 3.5 (2.3, 5.3) | |
| Physical education | 5.0 (2.6, 9.5) | 2.9 (1.7, 4.8) | |
| Special education assistance: | |||
| Enrolled in special school, class or unit | 9.2 (3.0, 28.2) | 6.6 (2.8, 15.8) | |
| Receiving any form of special education assistance | 4.6 (2.4, 8.6) | 3.2 (2.0, 5.1) |