Table 2.
Mean (standard deviation) weight, height, and body mass index (BMI) across four time points in the Avon Longitudinal Study of Parents and Children (ALSPAC) sub-study population (N=425 mother-daughter dyads).
| n | Age (months) Mean (SD) |
n | Weight (kg) Mean (SD) |
Weight z-score Mean (SD) |
n | Height (cm) Mean (SD) |
Height z-score Mean (SD) |
n | BMI (kg/m2) Mean (SD) |
BMI z-score Mean (SD) |
|
|---|---|---|---|---|---|---|---|---|---|---|---|
| Birth | 424 | 0 (0) | 417 | 3.39 (0.50) | −0.05 (1.09) | 363 | 50.34 (2.16) | 0.06 (1.15) | 356 | 13.35 (1.26) | 0.20 (1.05) |
| 2 months | 406 | 1.71 (0.30) | 402 | 4.82 (0.62) | −0.01 (1.04) | 361 | 56.95 (2.37) | 0.47 (1.15) | 357 | 14.88 (1.41) | −0.40 (1.16) |
| 9 months | 392 | 9.17 (0.94) | 383 | 8.89 (1.00) | 0.23 (1.04) | 332 | 71.61 (2.60) | 0.49 (1.10) | 323 | 17.47 (1.48) | −0.04 (1.11) |
| 19 months | 358 | 19.39 (3.14) | 354 | 11.54 (1.41) | 0.32 (1.01) | 287 | 83.19 (3.94) | 0.33 (1.06) | 283 | 16.82 (1.53) | 0.06 (1.12) |