While in the field, mothers being surveyed about their use of solidfuel cook stoves could also be asked a few questions about their use of kerosene for lighting.
According to the World Health Organization, solidfueluse causes 1.6 million excess deaths per year globally, especially among women and children, while waterborne disease is one of the leading global killers, ending the lives of over 3 million annually again, many of them young children who lack access to clean and safe water supplies.