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Table 2 Correlates associated with subclinical iodine deficiency in logistic regression model among pregnant women in Tanzania,2010 TDHS

From: Socio-economic and spatial correlates of subclinical iodine deficiency among pregnant women age 15–49 years in Tanzania

Variable Crude OR (95%CI) P-Value Adjusted OR(95%CI) P-Value
Age (Years)   0.1680*   0.2012*
 15–24 Reference    
 25–34 1.24(0.94–1.63) 0.1335 1.32(0.89–1.95) 0.1671
 35–49 1.38(0.92–2.06) 0.1157 0.90(0.48–1.69) 0.7385
Education Level   0.0006*   0.9605*
 No education Reference    
 Primary education 0.74(0.54–1.00) 0.0516 0.99(0.69–1.44) 0.9824
 Secondary or higher 0.31(0.17–0.56) 0.0001 0.89(0.40–2.02) 0.7862
Wealth Index   <0.0001*   <0.0001*
 Poorest 9.48(5.53–16.23) <0.0001 4.25(2.26–7.99) <0.0001
 Poorer 10.22(6.10–17.12) <0.0001 5.55(3.02–10.20) <0.0001
 Middle 6.31(3.78–10.51) <0.0001 3.17(1.77–5.69) 0.0001
 Richer 4.68(2.76–7.96) <0.0001 3.63(2.00–6.58) <0.0001
 Richest Reference    
Iodine content in household salt   <0.0001*   <0.0001*
 Inadequate Reference    
 Adequate 0.28(0.21–0.37) <0.0001 0.38(0.28–0.53) <0.0001
Family size   <0.0001*   0.0701*
 < 5 persons Reference    
 ≥ 5 persons 1.95(1.49–2.54) <0.0001 1.38(0.97–1.94) 0.0701
Geographic Zone   <0.0001*   <0.0001*
 Lake Reference    
 Western 1.99(1.34–2.96) 0.0007 1.73(1.07–2.77) 0.0246
 Northern 0.54(0.34–0.85) 0.0075 0.57(0.32–0.99) 0.0463
 Central 1.19(0.69–2.05) 0.5248 0.73(0.39–1.37) 0.3236
 Southern Highlands 0.68(0.44–1.07) 0.0968 0.76(0.45–1.29) 0.3120
 Eastern 0.16(0.09–0.29) <0.0001 0.23(0.12–0.46) <0.0001
 Southern 3.61(1.96–6.67) <0.0001 2.37(1.17–4.81) 0.0169
 Zanzibar 0.79(0.35–1.79) 0.5666 0.84(0.31–2.30) 0.7343
Number of children   <0.0001*   0.0453*
 0 Reference    
 1–4 2.23(1.63–3.06) <0.0001 1.73(1.12–2.67) 0.0136
 5+ 2.78(1.77–4.35) <0.0001 1.85(0.92–3.73) 0.0854
Fish consumption   0.0029*   0.7020*
 < 1 day/Week Reference    
 ≥ 1 day/Week 0.67(0.52–0.87) 0.0029 0.93(0.66–1.32) 0.7020
Pregnancy trimester   0.0108*   0.0983*
 First Reference    
 Second 1.33(0.97–1.84) 0.0789 1.26(0.86–1.85) 0.2392
 Third 0.84(0.61–1.17) 0.3080 0.85(0.57–1.26) 0.4192
  1. P Value with * indicates overall p- value