Stanton 1985 BGD.

Methods	Cluster‐RCT Allocation sequence: table of random numbers Allocation concealment: unclear Blinding: none Inclusion of participants in the analysis: unclear Length of follow‐up: 6 months Cluster‐adjustment method: adjusted
Participants	Number: 1923 families (937 intervention, 986 control) with 1350 children (675 intervention, 675 control) Inclusion criteria: not stated Exclusion criteria: not stated Age: < 6 years
Interventions	Intervention (see Table 5 for detailed description): Small group discussion (only women or children) Larger demonstrations (mixed audience) Posters, games, pictorial stories, and 'flexiflans' for illustrations Control: No intervention
Outcomes	Diarrhoeal rates Change in knowledge, attitude, and practice of water sanitation behaviours
Notes	Location: Urban Dhaka, Bangladesh Duration: October 1984 to May 1985
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Low risk	Stratified randomized allocation.
Allocation concealment (selection bias)	Unclear risk	Not described.
Blinding of participants and personnel (performance bias) All outcomes	Unclear risk	Not described.
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	Not described.
Incomplete outcome data (attrition bias) All outcomes	Low risk	Equal number of emigrant and immigrant included in effectiveness analyses but not in behavioral assessment.
Selective reporting (reporting bias)	Low risk	None observed.
Other bias	Low risk	None observed.