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Table 3 Determinants of phytate to calcium, iron, and zinc molar ratiosa

From: Dietary phytate intake inhibits the bioavailability of iron and calcium in the diets of pregnant women in rural Bangladesh: a cross-sectional study

Multivariate models b

 

B

95 % CI of B

SE (B)

β

P

Phytate: Calcium

     

 Age (year)

0.008

0.007-0.009

0.001

0.248

<0.001

 Gestational age (month)

0.004

0.003-0.005

0.001

0.053

<0.001

 Phytate(per 100 mg)

0.048

0.046-0.052

0.001

0.745

<0.001

 Energy (per 100 C)

0.012

0.010-0.014

0.001

0.233

<0.001

 Calcium (mg)

-0.003

-(0.004-0.002)

0.001

-0.842

<0.001

 Zinc (mg)

-0.007

-(0.010-0.004)

0.002

-0.071

<0.001

 Iron (mg)

----

----

----

----

----

 Intercept

-0.030

-(0.060-0.001)

0.015

----

0.013

 Adjusted Rb

0.919

    

Phytate: Iron

     

 Age (year)

0.130

0.091-0.169

0.021

0.095

<0.001

 Gestational age (month)

0.132

0.184-0.179

0.024

0.044

0.022

 Phytate (per 100 mg)

2.476

2.377-2.574

0.051

0.853

<0.001

 Energy (per 100 C)

-0.171

-(0.203-0.139)

0.016

-0.079

0.015

 Calcium (mg)

0.006

0.005-0.007

0.001

0.109

<0.001

 Zinc (mg)

0.542

0.439-0.645

0.052

0.132

<0.001

 Iron (mg)

-2.122

-(2.186-2.058)

0.033

-0.551

<0.001

 Intercept

6.759

5.941-7.576

0.743

----

<0.001

 Adjusted Rb

0.881

    

Phytate: Zinc

     

 Age (year)

----

----

----

----

----

 Gestational age (month)

0.197

0.146-0.247

0.026

0.110

<0.001

 Phytate (per 100 mg)

1.956

1.897-2.015

0.030

0.967

<0.001

 Energy (per 100 C)

-0.031

-(0.053-0.010)

0.011

-0.035

<0.001

 Calcium (mg)

-0.003

-(0.004-0.002)

0.001

-0.085

<0.001

 Zinc (mg)

-0.825

-(0.931-0.720)

0.054

-0.339

<0.001

 Iron (mg)

----

----

----

----

----

 Intercept

9.358

8.991-9.725

0.187

----

<0.001

 Adjusted Rb

0.888

    
  1. aModels included 717 pregnant women. Dash indicates the variables were not included in the model due to insignificance
  2. bLinear regression models with phytate to calcium, iron, and zinc molar ratios as the dependent variables and the independent variables that remained significant on the models, P < 0.05
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BMC Nutrition

ISSN: 2055-0928

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