Urinary iodine content (µg/L) | Urban | Rural | Total | |||
N | % | N | % | N | % | |
≥100 (adequate) | 82 | 77.6 | 241 | 56 | 323 | 61.1 |
50 - 99 (slight deficiency) | 20 | 17.8 | 132 | 32 | 152 | 28.7 |
20 - 49 (moderate deficiency) | 4 | 2.9 | 36 | 7.2 | 40 | 6.2 |
<20 (severe deficiency) | 1 | 1.6 | 24 | 4.8 | 25 | 4.0 |
Total | 107 | 100 | 433 | 100 | 540 | 100 |