Table 1 Summary of methods

Intervention logs

Standardised forms completed by Oxfam staff that covered information on shipment, delivery of the OHS, training provided to staff and community volunteers, soap distributions, hygiene promotion activities and maintenance of the OHS

To document intervention implementation

In-depth interviews with implementation staff

Interviews with Public Health Engineers and Public Health Promotors within Oxfam in each country

To get feedback from technical staff on their experiences of deploying OHS and MMH and feasibility of the intervention

Focus group discussions with crisis-affected populations

8 FGDs per country: 2 with adult men, 2 with adult women, 1 with older men (over 60), 1 with older women (over 60), 1 with younger people (18–25) and 1 with people with physical disabilities

To gain feedback from recipients of the intervention on access, acceptability, satisfaction, ease of use and maintenance of the OHS and MMH