Neonatal risk factors for poor school performance
| Risk factor | No (%) cases (n=34) | No (%) controls (n=80) |
Odds ratio (95% CI) |
| Sex male | 25 (73.5) | 36 (45.0) | 3.4 (1.4 to 8.2) |
| Intrauterine growth retardation | 9 (26.5) | 17 (21.1) | 1.3 (0.5 to 3.4) |
| Respiratory illness | 19 (55.9) | 24 (30) | 3.0 (1.3 to 6.8) |
| Ventilation | 3 (8.8) | 6 (7.5) | 1.2 (0.3 to 5.1) |
| Oxygen treatment | 16 (47.1) | 19 (23.8) | 2.9 (1.2 to 6.7) |
| Maximum SBR >2506-150 | 4/33 (12.1) | 11/71 (15.5) | 0.8 (0.2 to 2.6) |
| Hypothermia6-150 | 10/33 (30.3) | 18/79 (22.8) | 1.5 (0.6 to 3.7) |
| Hypoglycaemia6-150 | 12/18 (66.7) | 23/44 (52.3) | 1.8 (0.6 to 5.7) |
| Breast fed on discharge6-150 | 11 (32.3) | 30/79 (38.0) | 0.8 (0.3 to 1.8) |
| Discharged from SCBU >36 weeks corrected age6-150 | 25/32 (78.1) | 33/61 (54.1) | 3.0 (1.1 to 8.06) |
↵6-150 Data not available for some babies.
SCBU, Special care baby unit; SBR, serum bilirubin.