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Table 5 Mean hemoglobin difference between matched vitamin A supplemented and non-supplemented children aged 6–59 months across three household wealth strata, Ethiopia, 2010

From: Effect of a single high dose vitamin A supplementation on the hemoglobin status of children aged 6–59 months: propensity score matched retrospective cohort study based on the data of Ethiopian Demographic and Health Survey 2011

Wealth tertiles

Mean (±SD) hemoglobin paired difference•(g/l)

Paired t statistic and pvalue

One Way ANOVA**

Poor

5.4 (±26.8)

t = 3.64, P = 0.000*

F = 3.24, P = 0.039*

Middle

3.1 (±25.8)

t = 1.66, P = 0.979

Rich

0.3 (±23.7)

t = 0.26, P = 0.796

  1. •Supplemented minus non-supplemented.
  2. *Statistically significant.
  3. **Used as a measure of heterogeneity of effects.
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BMC Pediatrics

ISSN: 1471-2431

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