| |
ALSPAC
|
BiB (WE)
|
BiB (SA)
|
|---|
|
Mean
|
SD
|
N
|
Female offspring (%)
|
Mean
|
SD
|
N
|
Female offspring (%)
|
Mean
|
SD
|
N
|
Female offspring (%)
|
|---|
|
Maternal BMI (kg/m2)
|
23.0
|
3.8
| | |
26.9
|
6.0
| | |
25.8
|
5.5
| | |
|
Maternal age (years)
|
29.3
|
4.5
| | |
27.4
|
6.0
| | |
28.8
|
5.0
| | |
|
Birth weight (z score)
|
0.10
|
0.95
|
5085
|
50.5
|
− 0.05
|
0.97
|
1992
|
47.9
|
− 0.56
|
0.92
|
2262
|
47.9
|
|
Gestational age (weeks)
|
39.6
|
1.7
| | |
39.4
|
1.6
| | |
39.1
|
1.5
| | |
|
1-year weight for length percentilea
|
0.64
|
0.27
|
4838
|
50.6
|
0.61
|
0.28
|
1798
|
47.8
|
0.48
|
0.30
|
2023
|
48.1
|
|
Age at measurement (years)
|
0.9
|
0.2
| | |
0.8
|
0.3
| | |
0.8
|
0.3
| | |
|
4-year BMI (z score)
|
0.46
|
1.05
|
4670
|
50.2
|
0.50
|
0.97
|
1339
|
48.6
|
0.10
|
1.21
|
1566
|
48.5
|
|
Age at measurement (years)
|
4.1
|
0.7
| | |
4.5
|
0.7
| | |
4.5
|
0.7
| | |
|
10-year BMI (z score)
|
0.26
|
1.12
|
4476
|
51.3
| | | | | | | | |
|
Age at measurement (years)
|
9.9
|
0.5
| | | | | | | | | | |
|
15-year BMI (z score)
|
0.30
|
1.11
|
4112
|
51.7
| | | | | | | | |
|
Age at measurement (years)
|
15.0
|
0.8
| | | | | | | | | | |
- SA South Asians, WE White Europeans, SD standard deviation, z score: sex- and gestational age-adjusted standard deviation score (UK-WHO Growth Reference [88]). aSex-adjusted percentile calculated using the WHO Child Growth Standards [89]. All z scores and percentiles were calculated via the zanthro Stata package [90]. Data for absolute values (as opposed to z scores) are presented in Additional file 1: Supplementary information S18
