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Table 2 Assessment of the effects of variables causing iodine urinary concentrations lowers than 150 micrograms/litre

From: Maternal and neonatal outcomes and determinants of iodine deficiency in third trimester of pregnancy in an iodine sufficient area

VariablesModel 1a Model 2b Model 3c 
(OR, 95% CI)P-value(AOR,95% CI)P-value(AOR,95% CI)P-value
Age (years)1.0 (0.98–1.02)0.961.005 (0.98–1.02)0.65
No. of live deliveries0.67 (0.43–1.04)0.0790.85 (0.35–1.19)0.24
No. of previous pregnancies0.84 (0.61–1.15)0.290.63 (0.30–1.35)0.160.59 (0.39–0.89)0.012
Weight gain during pregnancy0.86 (0.8–0.92)< 0.0010.88 (0.82–0.95)0.0020.87 (0.83–0.95)0.002
The timing between the recent two pregnancies0.80 (0.68–0.94)0.0070.78 (0.64–0.95)0.0140.8 (0.68–0.95)0.015
Type of pregnancy
 PlannedReferenceReferenceReference
 Unplanned2.38 (1.30–4.35)0.0052.92 (1.29–6.58)0.013.3 (1.65–6.63)0.001
Mother’s level of education
 IlliterateReferenceReferenceReference
 Senior high0.88 (0.19–4.1)0.880.22 (0.04–1.35)0.11
 M.S.0.49 (0.1–2.1)0.350.13 (0.3–0.73)0.022
 B.S or higher1.1 (0.09–13.5)0.940.1 (0.05–1.79)0.11
Iodinated salt intake
 YesReferenceReferenceReference
 No1.05 (0.40–2.73)0.910.91 (0.11–2.29)0.38
Complement intake during pregnancy
 YesReferenceReferenceReference
 No5.38 (2.73–10.6)< 0.0013.64 (1.44–9.1)0.0064.8 (2.1–10.1)< 0.001
Fish consumption
 YesReferenceReferenceReference
 No0.81 (0.41–1.6)0.540.89 (0.41–1.56)0.58
  1. a univariate model
  2. b full model by enter method
  3. c backward stepwise model