The impact of iodine supplementation and bread fortification on urinary iodine concentrations in a mildly iodine deficient population of pregnant women in South Australia

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.

ISSN: 1475-2891