Table 1.

Implementation outcomes as measures of program quality. Adapted from Proctor et al. 2011.

Outcome	Definition
Acceptability	Perception that a given WaSH program or its component parts is agreeable and satisfactory
Adoption	Intention, decision, or action to uptake a WaSH behavior or technology
Appropriateness	Perceived fit, relevance, or compatibility of the WaSH program with context, or perceived fit of the program to address a specific issue or problem
Cost	Cost of implementation efforts
Feasibility	The extent to which the WaSH program can be successfully delivered or used within a given context
Fidelity	The extent to which the WaSH program is delivered as originally developed and specified in program plans and protocols
Penetration	Coverage area and intensity of exposure to the WaSH program among the target population
Sustainability	The extent to which WaSH behaviors and technologies are maintained and institutionalized within the target population