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Table 4 Comparison of total dietary iodine intake in different gestation (μg/d)

From: Evaluation of median urinary iodine concentration cut-off for defining iodine deficiency in pregnant women after a long term USI in China

Gestation N Water iodine intake Food iodine intake Edible salt intake Total iodine intake
12th 79 3.12a (0.63~5.23) 59.62 (41.91~116.71) 140.04 (111.52~173.58) 218.14 (177.91~306.58)
24th 79 3.58 (1.05~6.12) 63.22 (42.52~104.35) 153.25 (126.96~216.63) 233.51 (184.04~345.74)
32th 79 3.23 (0.42~5.79) 62.51 (44.52~114.28) 163.09 (116.40~206.30) 243.66 (194.11~328.62)
F   1.12 0.33 2.75 0.22
P value   0.3092 0.6954 0.0674 0.7996
Total   3.24 62.22 152.03 231.17
  1. aMedian (inter-quartile range)