Fig. 1.

Association of stunting with selected individual, parental and household water and sanitation indices – stunting expressed using the (a) Centers for Disease Control and Prevention 2000 reference and (b) World Health Organization 2007 reference. Estimates presented from Poisson regression models described in online Supplementary Tables S5 and S10. RR, risk ratio; 95% CI, 95% confidence interval (error bars). Flush toilet includes that connected with septic tank or sewerage system; unprotected drinking water sources: unprotected dug well, or water taken directly from pond or stream; protected sources: public standpipe, protected dug well or spring, or water from bottles or tanker truck.