Nutrition/growth data comparing infants randomised to lower iodine versus higher iodine milk
| Lower iodine | Higher iodine | |
| Volume of trial milk (ml/kg) | ||
| 30 weeks | 153 (0–200) | 117 (0–207) |
| 35 weeks | 151 (0–298) | 153 (0–304) |
| 40 weeks | 198 (0–379) | 190 (0–338) |
| Weight (g) | ||
| 30 weeks | 1390 (844–2080) (n=60) | 1530 (710–2100) (n=61) |
| 35 weeks | 2030 (1300–2690) (n=59) | 2120 (1330–2890) (n=60) |
| 40 weeks | 3200 (2040–4200) (n=58) | 3180 (2360–4000) (n=57) |
| Lower leg length (mm) | ||
| 30 weeks | 65.1 (51.8–78.2) (n=60) | 67.9 (44.4–84.9) (n=61) |
| 35 weeks | 74.3 (59.9–84.5) (n=59) | 75.1 (56.1–91.1) (n=60) |
| 40 weeks | 89.3 (75.5–100.8) (n=58) | 90.2 (77.3–103.1) (n=57) |
| Head circumference (mm) | ||
| 30 weeks | 28.1 (23–31.8) (n=59) | 28.4 (24.5–31.4) (n=60) |
| 35 weeks | 31.8 (28–34.2) (n=59) | 31.4 (27.5–34) (n=60) |
| 40 weeks | 35.9 (32.4–38) (n=58) | 35.5 (32.4–38.4) (n=57) |
| Weight gain (g/day) | 25.5 (9–37) (n=58) | 25 (14–37) (n=57) |
| Lower leg length gain (mm/day) | 0.45 (0.26–0.63) (n=58) | 0.43 (0.24–0.58) (n=57) |
| Head circumference growth (cm/week) | 0.78 (0.53–1.3) (n=58) | 0.75 (0.4–1.1) (n=57) |
Data are presented as median (range) at 30, 35, and 40 weeks after conception. No significant intergroup differences were observed.