TABLE 1—

Key Features of Successful Behavioral Interventions

Feature	Contribution to Behavior Change	Key References
Use of role models	Provides examples of how to change.	10,11, 20,
	Increases confidence in ability to change behavior.
	Persuades audience of positive benefits of change.
Affective impact	Affective/emotional responses encourage attention to and retention of information.	12,13,14
	Emotions create opportunities for identification.
Links to social and cultural narratives	Information can be easily integrated into social expectations, norms, values, and political and economic culture of affected audience.	1,6,15
	Intervention is applicable to audience's everyday lives.
	Intervention is presented in a narrative form familiar to audience.
Personalization	Message is reinforced interpersonally.	7,11,16,17
	Attention is individualized.
	Messages are developed with issues and concerns of affected population in mind.
Cognizance of impediments and facilitators	Links program to services or supplies.	7,8,18,19,
	Reflects infrastructure accurately.
	Capitalizes on formal and informal supporting norms and structures.