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Evaluating community-based nutrition programs: assessing the reliability of a survey of grocery store product
1Department of Health Services, University of Washington, Seattle 98195.
American Journal of Public Health
|June 1, 1990
Abstract:
A pilot test of a survey of grocery store product displays was conducted to measure the amount of health-education information provided and the proportion of the display devoted to "healthier" products. Inter-rater reliability ranged between 0.73 and 0.78 for the healthiness indices and between 0.30 and 0.67 for the health education measures. Test-retest reliability ranged from 0.44 to 1.0.