Private Well Testing in Peri-Urban African-American Communities Lacking Access to Regulated Municipal Drinking Water: A Mental Models Approach to Risk Communication.

When each intervention was offered on its own, the desired effect was achieved as shown by the regression model in Table VI , although these effects did not reach statistical significance ( β = −0.309, p = 0.18, for the free test and β = −0.422, p = 0.069, for risk information).

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There was a highly significant difference in scores on the “Cost Barrier” category of beliefs by race.

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