Estimating the Effectiveness of Health-Risk Communications with Propensity-Score Matching: Application to Arsenic Groundwater Contamination in Four US Locations

Table 2

Components of the conceptual model and the associated variables used in the empirical model.

	Components of the conceptual model	Associated variables in the empirical model
Stage one	Prior knowledge	PRIORKNOW
	Utility	UTILITY
	Friend	FRIEND
	Media	MEDIA
	Other	OTHER
	Arsenic contamination spread and severity	NM, NV, WI
	Local media and utility systems	NM, NV, WI
	Social group	INCOME, SCHOOLING, AGE
	Education level	INCOME, SCHOOLING, AGE
Stage two	Aversion action	POUFILTER
	Prior knowledge	PRIORKNOW
	Utility	UTILITY
	Friend	FRIEND
	Media	MEDIA
	Other	OTHER
	Arsenic contamination spread and severity	NM, NV, WI
	Prices	NM, NV, WI
	Aversion availability and alternatives	NM, NV, WI
	Income	INCOME
	Household composition	HASCHILDREN