**3. Results**

Refusal to participate in the study was less than 10%. Below we discuss the overall and intervention-specific considerations for program implementation in the Sundarbans, the feasibility of using governmen<sup>t</sup> programs and identify the stakeholders who must be involved in program design and delivery.

The Supplementary File (Table S2 in Supplementary File S2) depicts illustrative quotes from the following analysis. Figure 1 below provides a summary of the main enablers and barriers identified for the intervention implementation, from the perspective of program beneficiaries (demand-side) and from the perspective of program implementers (supply-side).


**Figure 1.** Key contextual enablers and barriers to implementation identified by participants.

*3.1. Considerations for Program Design and Delivery*

A range of considerations were identified that applied to all drowning reduction interventions.

### 3.1.1. Acceptability across All Interventions

Participants showed heterogeneity in preferences between the interventions. All interventions were generally considered acceptable. Some participants recognised that each of the interventions targeted different age groups and expressed a need for an age-targeted and comprehensive approach (Refs 1 and 2 in Table S2 of Supplementary File S2).
