From: Tanzania national survey on iodine deficiency: impact after twelve years of salt iodation
Population's status of iodine intake | Urinary iodine levels (μg/L) | Proportion of children | ||
---|---|---|---|---|
n | % | Cumulative % | ||
Very insufficient (severe iodine deficiency) | Below 20 | 92 | 2.0 | 2.0 |
Insufficient (moderate iodine deficiency) | 20 - 49.9 | 382 | 8.5 | 10.5 |
Insufficient (mild iodine deficiency) | 50 - 99.9 | 654 | 14.5 | 25.0 |
Adequate iodine nutrition | 100 - 199.9 | 1109 | 24.5 | 49.5 |
Above requirements (poses a slight risk*) | 200 - 299.9 | 692 | 15.3 | 64.8 |
Excessive intake (poses a clear risk*) | 300 and above | 1594 | 35.2 | 100.0 |
Total | 4523 | 100.0 |