Table 5.
Characteristics of offspring according to maternal urinary iodine status (Maharashtra, India, 2004–2006)
| 17 weeks | 34 weeks | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| UIC < 25th centile (n 33) | UIC > 75th centile (n 33) | UIC < 25th centile (n 37) | UIC > 75th centile (n 38) | |||||||
| Mean | sd | Mean | sd | P value | Mean | sd | Mean | sd | P value | |
| At birth | ||||||||||
| Weight (kg) | 2·8 | 0·4 | 2·7 | 0·3 | 0·23 | 2·8 | 0·4 | 2·8 | 0·3 | 0·95 |
| Length (cm) | 48·6 | 1·7 | 48·3 | 1·9 | 0·54 | 48·4 | 2·1 | 48·9 | 1·6 | 0·29 |
| Abdominal circumference (cm) | 29·1 | 2·0 | 28·7 | 2·4 | 0·49 | 28·6 | 2·3 | 29·3 | 1·8 | 0·19 |
| Subscapular skinfold (mm) | 4·0 | 1·2 | 4·1 | 0·9 | 0·78 | 4·2 | 1·2 | 4·2 | 0·9 | 0·93 |
| Triceps skinfold (mm) | 4·4 | 1·1 | 4·4 | 0·7 | 1·0 | 4·6 | 1·0 | 4·4 | 0·8 | 0·52 |
| Cord insulin (mIU/l) | 5·9 | 5·9 | 6·1 | 2·6 | 0·88 | 8·0 | 5·5 | 5·9 | 3·7 | 0·1 |
| Cord plasma glucose (mg/dl) | 84·3 | 28·7 | 85·8 | 26·4 | 0·86 | 89·6 | 28·2 | 99·0 | 26·6 | 0·18 |
| At age 3 months | ||||||||||
| Weight (kg) | 5·6 | 0·8 | 5·4 | 0·7 | 0·32 | 5·4 | 0·7 | 5·5 | 0·7 | 0·68 |
| Length (cm) | 61·7 | 2·5 | 61·1 | 2·8 | 0·4 | 60·4 | 2·3 | 61·0 | 2·8 | 0·31 |
| Abdominal circumference (cm) | 39·3 | 2·1 | 38·3 | 2·7 | 0·16 | 38·7 | 2·4 | 39·3 | 2·5 | 0·27 |
| Subscapular skinfold (mm) | 7·9 | 1·8 | 7·4 | 1·2 | 0·29 | 8·1 | 1·5 | 7·7 | 1·7 | 0·29 |
| Triceps skinfold (mm) | 8·5 | 1·7 | 9·1 | 1·3 | 0·13 | 9·0 | 1·3 | 8·9 | 1·7 | 0·66 |
| At age 6 months | ||||||||||
| Weight (kg) | 6·8 | 0·9 | 6·8 | 0·8 | 0·9 | 6·8 | 1·0 | 6·8 | 0·7 | 0·8 |
| Length (cm) | 66·7 | 2·8 | 67·1 | 3·2 | 0·62 | 66·3 | 3·0 | 66·7 | 3·2 | 0·57 |
| Abdominal circunference (cm) | 41·1 | 2·7 | 40·7 | 2·8 | 0·59 | 40·7 | 2·6 | 40·8 | 2·4 | 0·9 |
| Subscapular skinfold (mm) | 7·2 | 1·7 | 6·9 | 1·4 | 0·57 | 7·3 | 1·8 | 6·8 | 1·3 | 0·25 |
| Triceps skinfold (mm) | 8·5 | 2·0 | 8·7 | 1·9 | 0·78 | 8·7 | 1·7 | 8·4 | 1·9 | 0·41 |
| At age 12 months | ||||||||||
| Weight (kg) | 8·2 | 1·4 | 8·1 | 1·1 | 0·73 | 8·2 | 1·0 | 8·3 | 1·0 | 0·79 |
| Length (cm) | 73·7 | 4·2 | 74·1 | 4·0 | 0·73 | 73·9 | 3·6 | 74·5 | 3·0 | 0·46 |
| Abdominal circumference (cm) | 43·1 | 3·6 | 42·4 | 2·9 | 0·45 | 43·0 | 2·9 | 43·0 | 3·3 | 0·98 |
| Subscapular skinfold (mm) | 6·7 | 2·2 | 6·1 | 1·8 | 0·29 | 7·1 | 1·9 | 6·0* | 1·1 | 0·01 |
| Triceps skinfold (mm) | 7·8 | 2·0 | 7·6 | 2·1 | 0·75 | 8·0 | 1·2 | 7·1* | 1·3 | 0·01 |
| At age 24 months | ||||||||||
| Weight (kg) | 10·6 | 1·6 | 10·2 | 1·2 | 0·43 | 10·4 | 1·0 | 10·3 | 1·2 | 0·61 |
| Length (cm) | 85·3 | 4·4 | 84·6 | 4·3 | 0·6 | 84·5 | 3·0 | 85·4 | 3·9 | 0·29 |
| Abdominal circumference (cm) | 46·5 | 3·1 | 44·7* | 2·5 | 0·03 | 45·5 | 2·3 | 45·1 | 2·6 | 0·55 |
| Subscapular skinfold (mm) | 6·4 | 1·4 | 5·9 | 1·5 | 0·21 | 6·4 | 1·4 | 5·7* | 1·1 | 0·04 |
| Triceps skinfold (mm) | 8·3 | 1·5 | 8·1 | 2·3 | 0·64 | 8·7 | 1·8 | 7·6* | 2·1 | 0·02 |
| Social quotient score | 91 | 6 | 92 | 6 | 0·55 | 92 | 5 | 92 | 6 | 0·79 |
| Mental development score | 101 | 8 | 98 | 7 | 0·16 | 97 | 6 | 100 | 6 | 0·12 |
| Motor development score | 113 | 5 | 111 | 4 | 0·32 | 112 | 5 | 113 | 4 | 0·2 |
UIC, urinary iodine concentration.
Mean values were significantly different from those in the lowest quartile within the same gestation time: *P < 0·05.