Characteristic | Cohort members(n = 13 375) | Offspring(n = 2853) |
---|---|---|
*Standardised against the 1990 British growth reference. | ||
Sex, n (%) | ||
Boys | 6894 (51.5) | 1406 (49.3) |
Girls | 6481 (48.5) | 1447 (50.7) |
Maternal age (years), mean (range) | 27.5 (14–47) | 24.4 (15–38) |
<30 years, n (%) | 8669 (66.5) | 2718 (98.1) |
⩾30 years, n (%) | 4361 (33.5) | 52 (1.9) |
Family size, n (%) | ||
1 | 1161 (8.7) | 295 (10.3) |
2 | 4703 (35.3) | 1469 (51.5) |
3 | 3499 (26.3) | 803 (28.1) |
⩾4 | 3948 (29.7) | 286 (10.0) |
Birth weight, mean (SD) | ||
Boys | 3409 (524) | 3361 (552) |
Girls | 3268 (511) | 3252 (529) |
Height SDS, mean (SD)* | ||
Boys | −0.202 (1.08) | −0.010 (1.06) |
Girls | −0.251 (1.11) | −0.023 (1.07) |
Total | −0.228 (1.09) | −0.017 (1.06) |