Figure 2From: Progress in mosquito net coverage in Papua New GuineaNational (top) and regional changes in LLIN ownership and use between surveys in 2009 and 2011. Region highlighted in red on maps. Error bars represent 95% confidence intervals. Pre-distribution estimate and 2009 data derived from Hetzel et al.[1]. Statistical significance of differences in indicators between years: *P < 0.05, **P < 0.001.Back to article page