Table 2 Crude and adjusted odds ratio of anemia for introducing complementary foods at 3–6 months compared with ≥6 months.

From: Age of Complementary Foods Introduction and Risk of Anemia in Children Aged 4–6 years: A Prospective Birth Cohort in China

 

Risk of Anemia

3–6 months

≥6 months

Case/Study participants

409/2414

2222/16,032

Crude OR (95% CI)

1.27 (1.13–1.42)

1

Adjusted OR (95% CI)a

1.24 (1.11–1.40)

1

Adjusted OR (95% CI)b

1.14 (1.01–1.28)

1

  1. OR, odds ratio; CI: confidence interval.
  2. aOR was adjusted for child’s age, sex, birth weight and breastfeeding status.
  3. bOR was adjusted for child’s age, sex, birth weight and breastfeeding status, and maternal characteristics (age at delivery, education, occupation, folic acid supplementation, BMI, hemoglobin in early pregnancy, parity and caesarean section).
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