Iodine Concentration in Brazilian Drinking Water and Its Possible Contribution to Iodine Intake for Different Physiological Groups
Table 4
Values of minimum and maximum iodine concentrations (μg), percentages of iodine in drinking water from different locations, and their minimum and maximum contribution to iodine intake among different physiological groups.
Physiological groups
Estimated average requirement (EAR)
Values of minimum and maximum (μg), percentages of iodine in drinking water, and their minimum and maximum contribution to iodine intake
Location
Brasília
Rondonópolis
São Luís
Palmas
Minimum1
Maximum2
Minimum
Maximum
Minimum
Maximum
Minimum
Maximum
1–3 years
65 μg
0.49 μg 0.75%
14.77 μg 22.72%
0.49 μg 0.75%
16.95 μg 26.08%
0.49 μg 0.75%
15.86 μg 24.40%
0.49 μg 0.75%
5.98 μg 9.20%
4–8 years
65 μg
0.65 μg 1.00%
19.31 μg 29.71%
0.65 μg 1.00%
22.17 μg 34.11%
0.65 μg 1.00%
20.74 μg 31.91%
0.65 μg 1.00%
7.82 μg 12.03%
9–13 years
73 μg
0.80 μg 1.09%
23.86 μg 32.68%
0.80 μg 1.09%
27.38 μg 37.50%
0.80 μg 1.09%
25.62 μg 35.09%
0.80 μg 1.09%
9.68 μg 13.26%
14–18 years
95 μg
0.87 μg 0.92%
26.13 μg 27.51%
0.87 μg 0.92%
29.99 μg 31.57%
0.87 μg 0.92%
28.06 μg 29.53%
0.87 μg 0.92%
10.58 μg 11.13%
19–50 years, 51–70 years, and >70 years
95 μg
1.03 μg 1.08%
30.67 μg 32.28%
1.03 μg 1.08%
35.21 μg 37.06%
1.03 μg 1.08%
32.94 μg 34.67%
1.03 μg 1.08%
12.42 μg 13.07%
Pregnant women (14–50 years)
160 μg
1.14 μg 0.71%
34.08 μg 21.30%
1.14 μg 0.71%
39.12 μg 24.45%
1.14 μg 0.71%
36.60 μg 22.88%
1.14 μg 0.71%
13.80 μg 8.63%
Nursing mothers (14–50 years)
200 μg
1.44 μg 0.72%
43.17 μg 21.59%
1.44 μg 0.72%
49.55 μg 24.78%
1.44 μg 0.72%
36.60 μg 18.30%
1.44 μg 0.72%
17.48 μg 8.74%
Physiological groups
Estimated average requirement (EAR)
Values of minimum and maximum (μg), percentages of iodine in drinking water and their minimum and maximum contribution to iodine intake
Location
Macaé
Viçosa
Vitória
Pinhais
Minimum1
Maximum2
Minimum
Maximum
Minimum
Maximum
Minimum
Maximum
1–3 years
65 μg
1.59 μg 2.45%
14.77 μg 22.72%
0.49 μg 0.75%
36.71 μg 56.47%
1.59 μg 2.45%
3.78 μg 5.82%
7.09 μg 10.91%
64.70 μg 99.54%
4–8 years
65 μg
2.07 μg 3.18%
19.31 μg 29.71%
0.65 μg 1.00%
48.00 μg 73.85%
2.07 μg 3.18%
4.95 μg 7.61%
9.27 μg 14.26%
84.61 μg 130.17%
9–13 years
73 μg
2.56 μg 3.51%
23.86 μg 32.68%
0.80 μg 1.09%
59.30 μg 81.23%
2.56 μg 3.51%
6.11 μg 8.37%
11.45 μg 15.68%
104.52 μg 143.18%
14–18 years
95 μg
2.81 μg 2.96%
26.13 μg 27.51%
0.87 μg 0.92%
64.95 μg 68.37%
2.81 μg 2.96%
6.69 μg 7.04%
12.54 μg 13.20%
114.47 μg 120.49%
19–50 years, 51–70 years, and >70 years
95 μg
3.29 μg 3.46%
30.67 μg 32.28%
1.03 μg 1.08%
76.25 μg 80.26%
3.29 μg 3.46%
7.86 μg 8.27%
14.71 μg 15.48%
134.38 μg 141.45%
Pregnant women (14–50 years)
160 μg
3.66 μg 2.29%
34.08 μg 21.30%
1.14 μg 0.71%
84.72 μg 52.95%
3.66 μg 2.29%
8.73 μg 5.46%
16.35 μg 10.22%
149.31 μg 93.32%
Nursing mothers (14–50 years)
200 μg
4.64 μg 2.32%
43.17 μg 21.59%
1.44 μg 0.72%
107.31 μg 53.66%
4.64 μg 2.32%
11.06 μg 5.53%
20.71 μg 10.36%
189.13 μg 94.57%
[21]. Values for individuals aged 0–12 months were not determined. 1Minimum: minimum concentration of iodine in drinking water based on location; 2Maximum: maximum concentration of iodine in drinking water based on location.
