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Table 3 Odds ratios (95% CI) for the association between total iron intake in first four months of life and type 1 diabetes.

From: Dietary iron intake in the first 4 months of infancy and the development of type 1 diabetes: a pilot study

 

Odds ratios (95% CI) for 1 SD increase in iron intake*

 

All participants

(128 cases and 67 controls)

Restricted to cases with a control sibling

(59 cases and 59 controls)

Total iron intake, SD units†

2.01 (1.183, 3.41)

2.26 (1.27, 4.03)

Age at recruitment, y

1.44 (1.07, 1.95)

1.69 (1.15, 2.49)

Birth weight, kg

1.09 (0.37, 3.27)

0.77 (0.24, 2.51)

Sibling rank

1.46 (0.62, 3.41)

2.17 (0.77, 6.08)

  1. * Odds ratios are from conditional logistic regression models in which the 4 continuous variables were modeled simultaneously.
  2. † Total iron intake from formula, supplements and breast milk. In the total sample (n = 195) one SD unit was 540 mg while it was 539 mg in the restricted sample (n = 118).
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Diabetology & Metabolic Syndrome

ISSN: 1758-5996

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