Table 1

Clinical characteristics of the 196 pregnant women included in the study according to their use of iodine-containing multivitamins during pregnancy
No supplements n = 45 (23%) Non-iodine-containing multivitamins n = 58 (30%) Iodine-containing multivitamins n = 93 (47%) p value
Age (years) 24 (22–30) 25 (23–29) 26 (22–30) 0.39
Height (cm) 162 (157–167) 162 (159–166) 165 (161–168) 0.04
Weight (12 weeks) (kg) 77 (64–92) 67 (56–94) 71 (62–81) 0.28
BMI (12 weeks) 29 (24–32) 23 (21–31) 26 (23–30) 0.11
Parity, med (min-max) 1 (0–5) 1 (0–4) 1 (0–3) 0.41
Cigarettes use, n (%) 14 (31) 7 (12) 11 (12) 0.12

Data are presented as median (25th-75th centiles) unless otherwise indicated.

Clifton et al.

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

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