TABLE 3.
Urinary iodine concentration and prevalence of visible goiter in women (15–49 y) and school-aged children (6–11 y)
| Urinary iodine concentration |
Visible goiter |
||||
| Population group | Sample size | Median (IQR) | Range | Sample size | Prevalence1 |
| n | μg/L | μg/L | n | % | |
| Women | |||||
| National | 617 | 329 (152–721) | 24–9060 | —2 | — |
| Northwest Zone | 196 | 228 (115–701) | 24–7710 | 852 | 3.3 (2.2, 4.9) |
| Northeast Zone | 202 | 405 (202–766) | 49–4600 | — | — |
| South Central Zone | 219 | 316 (168–646) | 39–9060 | 986 | 1.4 (0.8, 2.6) |
| School-aged children | |||||
| National | 756 | 416 (200–1110) | 5–9920 | — | — |
| Northwest Zone | 239 | 288 (126–892) | 11–9920 | 300 | 1.3 (0.4, 4.3) |
| Northeast Zone | 249 | 619 (315–1420) | 8–6720 | — | — |
| South Central Zone | 268 | 398 (211–1070) | 5–5600 | 301 | 0.3 (0.0, 2.4) |
1
Values are percentages (95% CIs).
2
Dashes indicate that a measurement was not taken.