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. 2015 Sep 14;10(9):e0137735. doi: 10.1371/journal.pone.0137735

Table 3. Hemoglobin level and weight of the pregnant women in both the study groups before and after the intervention (n = 86).

Study population (n = 86)
Parameter Intervention group (n = 45) Control group (n = 41) t P
Mean ± SD Mean ± SD
Before intervention
Hb (g/dl) 10.34 ± 1.56 10.15 ± 1.59 0.556 0.577
Weight (Kg) 48.64 ± 8.23 46.68 ± 5.01 1.319 0.181
After intervention
Hb (g/dl) 11.5 ± 1.24 10.4 ± 1.38 4.018 <0.001 §
Weight (Kg) 50.4 ± 8.49 46.9 ± 5.53 1.319 0.027
Change in Hemoglobin and Weight
Hb (g/dl) 1.16 ± 1.41 0.21 ± 1.089 3.47 <0.001 §
Weight 326.9 ± 91.8 244.6 ± 97.4 4.033 <0.001 §

Hemoglobin,

weight change: grams per week

§Highly significant

Significant