Birth weight category versus current standard deviation height score for children who have and have not repeated a grade at primary school
| Standard deviation height score | |||||
|---|---|---|---|---|---|
| Low birth weight | Average birth weight | ||||
| 1.0–1.5 kg | 1.5–2.5 kg | 2.5–3.5 kg | >3.5 kg | ||
| Boys | |||||
| Never repeated | 0.02 | −0.11 | 0.15 | 0.49 | |
| 0.30 (4) | 1.06 (56) | 0.95 (636) | 0.95 (620) | ||
| Ever repeated | −0.09 | 0.22 | −0.12 | 0.06 | |
| 0.62 (2) | 2.27 (5) | 1.11 (44) | 1.11 (34) | ||
| Girls | |||||
| Never repeated | −0.69 | −0.29 | 0.11 | 0.52 | |
| 1.41 (9) | 1.09 (77) | 1.00 (777) | 1.01 (473) | ||
| Ever repeated | 0.66 | −0.74 | 0.30 | 0.28 | |
| 0.38 (2) | n/a (1) | 0.90 (25) | 1.12 (12) | ||