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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