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Table 5 Final logistic regression analysis on significant factors of micronutrient inadequacy with two-thirds of RDA levelsa

From: Inadequacy of nutrients intake among pregnant women in the Deep South of Thailand

  Micronutrients
  Calcium Phosphorus Iron Thiamine Niacin
  Adj. OR (95%CI) p-valueb Adj. OR (95%CI) p-valueb Adj. OR (95%CI) p-valueb Adj. OR (95%CI) p-valueb Adj. OR (95%CI) p-valueb
Age (years)      -   -    0.085
< 20 -   -       0.50 (0.25,0.98)*  
20-34   -   -      1  
≥35 -   -       0.70 (0.35,1.26)  
Education   0.001   0.004 -   -    0.085
Primary school 1.43 (0.73,2.83)   2.5 (1.12,5.6)*       2.71 (1.29,5.72)**  
Secondary school 0.64 (0.33,1.25)   1.25 (0.56,2.82)       1.59 (0.77,3.28)  
Higher than secondary school 1   1       1  
Gestational age (weeks) -   -   -   -    0.002
< 14          1  
≥14          0.57 (0.35,0.95)*  
Weighted violence score -   1.49 (1.16,1.92)** 0.002 1.63 (1.29,2.07)*** < 0.001 1.70 (1.20,2.41)** 0.002 1.80 (1.41,2.30)*** < 0.001
  1. a First model of logistic regression included age, education, religion, occupation, household income, gestational age at enrolment, number of family members and level of violence; b p-value by Likelihood Ratio Test; Adj. OR: Adjusted Odds Ratio
  2. *p value < 0.05; ** p value <0.01; *** p value <0.001