Table 3

Change in hemoglobin in all subjects stratified by presence of anemia at baseline

n

Mean change in hemoglobin g/dL, mean (95% CI)1 [n per treatment arm]


Vitamin A only

Vitamin A + zinc

Multivitamins

Overall P2

All subjects

210

0.59 (0.22, 0.97)b [68]

0.17 (-0.20, 0.54)a [71]

0.62 (0.26, 0.98)b [71]

0.06

Anemic

at baseline

166

0.99 (0.56, 1.41) [52]

0.49 (0.07, 0.91) [54]

0.93 (0.54, 1.31) [60]

0.10

Not anemic

44

-0.92 (-1.81, -0.02) [16]

-1.12 (-2.00, -0.25) [17]

-0.48 (-1.56, 0.59) [11]

0.49


1 Adjusted for baseline hemoglobin and cohort

2 ANOVA F-test

Values in the same row with different superscripts are significantly different from each other (P < 0.05)

Chhagan et al. BMC Public Health 2010 10:145   doi:10.1186/1471-2458-10-145

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