IEb20

What works in expanding the use of chlorine dispensers to purify water? Impact evidence from Kenya

According to the World Health Organization, diarrhoeal disease is the second leading cause of death among children under the age of five. Contaminated water is often to blame. Chlorine dispensers installed next to communal water sources are cost-effective means of providing access to safe water treatment. But people have to use the dispensers to treat the water they’ve just drawn. There is limited evidence on what works in expanding the use of chlorine dispensers in cost-effective and sustainable ways.

To understand what works, 3ie funded a research team to design and undertake three studies for examining how a particular community-level water treatment device, the chlorine dispenser, is valued and allocated by local government officials, and how best the chlorine dispensers can be financed and managed.

Key messages:

  • Both users and their representatives in local government value chlorine dispensers.
  • Local officials were generally uninterested in taking responsibility for maintaining chlorine dispensers in their constituencies.
  • More chlorine was purchased by communities in which the dispenser would be removed if it was found empty.
  • Household chlorine adoption significantly increased in communities where workers received performance-based payments.

Improving irrigation access in Madagascar

Improving irrigation access in Madagascar

Impact evaluation 3ie 2019
This brief is based on the findings of an impact evaluation that examined the effects of the Appui au Développement du Menabe et du Melaky programme in Madagascar, which combined land titling with improved irrigation infrastructure.

IE TW7, IEb36

Impacts of community delivery of antiretroviral drugs in Dar es Salaam, Tanzania

Impact evaluation 3ie 2018
This evaluation showed that delivery of drugs by community health workers to clinically stable patients is not inferior to standard care, where patients visit a clinic-based doctor to refill prescriptions. 

IEb39, kenya-smallholder-farmer-tw4.2.01-brief.JPG

Capacity building of smallholder dairy farmers in Kenya through extension services and market linkages

Impact evaluation 3ie 2019
This brief is based on the findings of an impact evaluation that examined the effects of the Smallholder Dairy Commercialization Programme in Kenya on farmers’ production, income and food security and on the empowerment of female dairy farmers.

IE female sex workers,IEb38

What works to increase HIV testing for female sex workers in Kenya, Uganda and Zambia

Impact evaluation 3ie 2018

This brief is based on the findings of three impact evaluations that examined the effectiveness of oral HIV self-tests.

IE Self test Zambia, IEb37

Investigating the feasibility of HIV self-testing in Zambia

Impact evaluation 3ie 2018
This brief is based on the findings of an impact evaluation that examines whether HIV self-tests increase HIV testing among female sex workers in transit towns.