Table 9 Effects of maternal ethnicity, weight, height, body mass index (BMI), parity, and age on head circumference (HC)
From: Fetal age assessment based on 2nd trimester ultrasound in Africa and the effect of ethnicity
Maternal factor | Mean | 95%CI | SD | p-value | |
|---|---|---|---|---|---|
Ethnicity | 0.89 | ||||
Fulani | 136.59 | 135.21 | 137.97 | 36.6 | |
Kirdi | 136.46 | 135.13 | 137.78 | 40.4 | |
Weight (centiles) | 0.22 | ||||
< 10 | 135.47 | 132.66 | 138.27 | 39.4 | |
10–90 | 136.30 | 135.23 | 137.37 | 38.2 | |
90+ | 139.45 | 136.43 | 142.46 | 39.0 | |
Height (centiles) | 0.58 | ||||
< 10 | 136.10 | 133.17 | 139.03 | 37.5 | |
10–90 | 137.05 | 135.95 | 138.14 | 39.6 | |
90+ | 134.00 | 131.46 | 136.55 | 39.6 | |
BMI (centiles) | 0.20 | ||||
< 10 | 135.68 | 132.62 | 138.73 | 32.9 | |
10–90 | 136.42 | 135.35 | 137.49 | 38.8 | |
90+ | 138.19 | 135.16 | 141.22 | 38.1 | |
Parity | 0.27 | ||||
0 | 132.01 | 129.21 | 134.81 | 41.8 | |
1 | 131.25 | 128.68 | 133.82 | 36.3 | |
2 | 132.64 | 129.26 | 136.02 | 40.9 | |
3 | 135.78 | 132.38 | 139.17 | 40.8 | |
4 | 132.05 | 128.30 | 135.81 | 40.0 | |
5+ | 134.50 | 131.04 | 137.97 | 34.0 | |
Age | 0.34 | ||||
-19 | 134.81 | 130.45 | 139.16 | 45.6 | |
20–24 | 134.26 | 131.85 | 136.66 | 38.1 | |
25–29 | 132.09 | 130.00 | 134.17 | 36.7 | |
30–34 | 132.44 | 129.52 | 135.36 | 43.1 | |
35+ | 131.60 | 127.09 | 136.11 | 33.9 |