Effect of ITNs versus No Nets in Africa on Mean Birth Weight (in Grams)

The red squares represent the effect estimates of ITNs; the black lines represent the 95% confidence intervals associated with the effect estimates. The black diamonds represent the summary effect estimates for the different subgroups (“subtotal”) and for the overall effect (“total”). “Dry” and “wet” refer to the dry and wet seasons. SP+, women randomized to IPTp-SP; SP-, women randomized to receive placebo ITPp (factorial design).