Table 2.
n or % | Median | P25–P75 | Mean | sd | |
---|---|---|---|---|---|
School-age children | |||||
Count | 312 | ||||
% Female | 45 | ||||
Adj. UIC (μg/l) | 243 | 202–295 | |||
Adj. UNaC (mmol/l) | 180·9 | 51·7 | |||
SI (mg/kg) | 35·6 | 7·2 | |||
Age (years) | 10·5 | 1·7 | |||
Pregnant women | |||||
Count | 311 | ||||
Adj. UIC (μg/l) | 227 | 205–246 | |||
Adj. UNaC (mmol/l) | 150·4 | 43·0 | |||
SI (mg/kg) | 35·6 | 6·1 | |||
Age (years) | 26·1 | 7·8 | |||
% Supplement* | 29 | ||||
Women of reproductive age | |||||
Count | 332 | ||||
Adj. UIC (μg/l) | 308 | 254–372 | |||
Adj. UNaC (mmol/l) | 166·9 | 44·2 | |||
SI (mg/kg) | 36·3 | 7·5 | |||
Age (years) | 35·7 | 14·8 | |||
Adj. UNaC/UCr (mol/10 g) | 1·816 | 2·525 |
P25, 25th percentile; P75, 75th percentile; Adj. UIC, adjusted urinary iodine concentration; Adj. UNaC, adjusted urinary Na concentration; SI, salt iodine concentration; Adj. UNaC/UCr, adjusted ratio of urinary Na to urinary creatinine (mmol/l/mg/dl).
Percentage of participants who responded ‘yes’ to survey question asking if participant has taken iodine supplements in the past 60 d or who reported taking a prenatal vitamin supplement known to contain iodine, out of the total number of participants who responded to that survey question, which had only a 36 % response rate.