Table 2

Number of women with UIC ≥ 150 μg/L at each gestational time point according to the consumption of iodine-containing dietary supplements
No multivitamin Iodine containing multivitamin p
12 weeks 16 (18%) 21 (28%) 0.09
Total n = 89 Total n = 76
18 weeks 23 (28%) 21 (27%) 0.47
Total n = 81 Total n = 79
30 weeks 11 (19%) 23 (37%) 0.022
Total n = 58 Total n = 62
36 weeks 13 (25%) 26 (43%) 0.038
Total n = 51 Total n = 60
Post-partum 9 (45%) 9 (53%) 0.39
Total n = 21 Total n = 17

Data are presented at each time point as n (%) of women who provided a spot urine sample at each appointment. Significance level represents result of Chi squared analysis at each gestational time point.

Clifton et al.

Clifton et al. Nutrition Journal 2013 12:32   doi:10.1186/1475-2891-12-32

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