Authors	Study title	Study location	Study design	Intervention type
Attanasio 2005	The short‐term impact of a conditional cash subsidy on child health and nutrition in Colombia	Colombia	RCT	Safety net – conditional cash transfer with nutritional transfer
Berger 2008	Malnutrition and morbidity among children not reached by the national vitamin A capsule programme in urban slum areas of Indonesia	Jakarta, Surabaya, Semarang, Makassar, and Padang, Indonesia	Cluster‐RCT	Nutrition – micronutrient supplementation (vitamin A)
Kiran 2011	Influence of Reproductive and Child Health programme on nutritional status and immunisation status in urban slum children	India	Cross‐sectional study	Health – reproductive and child health (immunisation, antenatal care, skilled attendance during delivery, and treatment of common childhood illnesses)
Langford 2011	Hand‐washing, subclinical infections, and growth: a longitudinal evaluation of an intervention in Nepali slums	Katmandu, Nepal	Non‐RCT	WASH – community‐based handwashing programme
Oelofse 2003	Micronutrient deficiencies in South African infants and the effect of a micronutrient‐fortified complementary food on their nutritional status, growth and development	South Africa	RCT	Nutrition – micronutrient fortified complementary food
Semba 2011	Consumption of micronutrient‐fortified milk and noodles is associated with lower risk of stunting in preschool‐aged children in Indonesia	Urban slums and non‐urban slum areas, Indonesia	Cluster‐RCT	Nutrition – micronutrient fortified milk and fortified noodles
Waihenya 1996	Maternal nutritional knowledge and the nutritional status of preschool children in a Nairobi slum	Kibera slum, Nairobi, Kenya	Cross‐sectional study	Nutrition – promotion of nutrition
RCT: randomised controlled trial; WASH: water, sanitation, and hygiene.