This study used household survey data from four Kenyan towns to examine the effect of households' characteristics and risk perceptions on their decision to treat/filter water as well as on their choice of main drinking water source. Because the two decisions may be jointly made by the household, a seemingly unrelated bivariate probit model was estimated. It turned out that treating non-piped water and using piped water as a main drinking water source were substitutes. The evidence supports the finding that perceived risks significantly correlate with a household's decision to treat non-piped water before drinking it. The study also found that higher connection fees reduced the likelihood of households connecting to the piped network. Because the current connection fee acts as a cost hurdle which deters households from getting a connection, the study recommends a system where households pay the connection fee in instalments, through a prepaid water scheme or through a subsidy scheme.
Risk perception, choice of drinking water and water treatment: evidence from Kenyan towns
Joseph Onjala, Simon Wagura Ndiritu, Jesper Stage; Risk perception, choice of drinking water and water treatment: evidence from Kenyan towns. Journal of Water, Sanitation and Hygiene for Development 1 June 2014; 4 (2): 268–280. doi: https://doi.org/10.2166/washdev.2014.131
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