Table 4 Crude and adjusted mean differences in hemoglobin (g/L) 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

 

Hemoglobin Concentration

3–6 months

≥6 months

Mean ± SD

124.3 ± 12.1

125.5 ± 11.2

Unadjusted MD (95% CI)

−1.19 (−1.68 to −0.70)

0

Adjusted MD (95% CI)a

−1.25 (−1.73 to −0.76)

0

Adjusted MD (95% CI)b

−0.84 (−1.33 to −0.35)

0

  1. MD, mean difference; CI: confidence interval.
  2. aMD was adjusted for child’s age, sex, birth weight and breastfeeding status.
  3. bMD 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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