|Contextual factors||Psychosocial factors||Technology factors|
|Structural||Government of Bangladesh mandated tendering process for procurement of goods (e.g. chlorine tablets, enabling technologies, etc.).|
Government of Bangladesh policy that hygiene is the responsibility of the individual.
|Government stakeholder interest in, and prioritization of, a health facility-based WASH intervention.||Past use of chlorine tablets by Bangladesh government during cholera outbreaks or high-disease-risk events (e.g. floods).|
Pharmaceutical company development and provision of an affordable, locally-available chlorine tablet.
Plastics company development and provision of an affordable, locally-available handwashing station and safe water storage bucket.
Government subsidization of laundry detergent.
|Health Facility/ Community||Access to/Condition of latrines, basin, potable water, stove use/fuel in the compound or community.|
Access to/Condition of latrines, basin, potable water in public/private health facilities.
Access to markets and market goods (e.g. soap or detergent).
Public/private health facility resources and regulations.
Informal providers as initial point of treatment.
|Prevalence and expectation of promoted behaviors within the local and larger community.||Position of cue cards to increase visibility of key messages for neighbors of enrolled households.|
|Household||Access to/Condition of, basin, potable water, stove use/fuel in the household.|
Responsibility for water collection, treatment, and storage.
Responsibility for children under five years of age.
Available space in home for handwashing station and safe water storage bucket.
|Desire to develop and maintain a safe and hygienic household environment.||Modelling handwashing station use for children to reduce non-use or misuse..|
|Individual||Wealth, education, gender, livelihood of primary taker of children under five and primary decision-maker.|
Age of children in household.
|Awareness of diarrheal disease transmission within the household/compound, and high perceived susceptibility of disease.|
High perceived benefits of adopting protective water, sanitation, and hygiene behaviors.
Disgust reaction in response to the information that diarrheal disease can be a result of consuming water or food contaminated with feces.
Response efficacy that practice of recommended WASH behaviors will reduce risk of diarrheal disease.
|Dislike of taste/smell of chlorine-treated water during.|
High perceived convenience of handwashing station, soapy water bottle, safe water storage bucket, and chlorine tablets compared to other options.
Strengths/weaknesses of enabling technologies for users (e.g. size).
|Habitual||Environment allows for habit formation and limits habit disruptions.||Existing water collection, treatment and storage practices.|
Existing hand hygiene practices.
|Ease of routine use of handwashing station and safe water storage bucket.|
Visible handwashing station, safe water storage bucket, and cue cards to serve as cues to action.