Table 1 Summary description of water, sanitation and hygiene (WASH) and nutrition interventions evaluated under the WASH-Benefits and SHINE trials

 Intervention arm

Water chlorination and promotion

Latrine improvements and promotion

Handwashing stations with soap and hygiene promotion

Nutrient supplementation and promotion

WASH SDG classification [7]

n/a

Basic

Basic

n/a

 Details of intervention

A 10-L storage vessel with supply of disinfectant tablets

An ‘improved’ two-pit water-sealed latrine, plus potties and child stool collection device

Two handwashing stations per household, near latrine and kitchen, with regular supply of soap

Daily small-quantity of lipid-based nutrient supplement and promotion of appropriate and safe complementary feeding

 Intervention arm

Water chlorination and promotion

Latrine improvements and promotion

Handwashing station with soap, and hygiene promotion

Nutrient supplementation and promotion

WASH SDG classification [7]

n/a

Basic

Basic

n/a

 Details of intervention

Communal chlorine dispenser and supply of bottled chlorine

An ‘improved’ single pit latrine with plastic slab and hole-lid, plus potty and child stool collection device

Two handwashing stations per household, near latrine and kitchen, and quarterly supply of soap

Daily small-quantity of lipid-based nutrient supplement and promotion of appropriate and safe complementary feeding

 Intervention arm

Water chlorination and promotion

Latrine construction and promotion

Hand-washing stations with soap and hygiene promotion

Nutrient supplementation and promotion

WASH SDG classification [7]

n/a

Basic

Basic

n/a

 Details of intervention

Monthly delivery of chlorine solution

A ventilated improved pit latrine constructed

Two handwashing stations per household, near latrine and kitchen, and monthly delivery of soap

Daily small-quantity of lipid-based nutrient supplement and promotion of appropriate and safe complementary feeding