Diet and Health Knowledge Survey

In 1989 the DHKS was initiated to improve understanding of factors that affect food choices and provide a link between an individual's knowledge and attitudes and his or her dietary behavior. Individuals who were identified as the main meal-planners/preparers in the CSFII were con tacted by telephone, if possible, about six weeks after collection of the dietary data and were asked to answer a series of questions about knowledge and attitudes toward diet, health, and food safety. In the 1994-1996 DHKS, adults 20 years and over replaced main meal-planners/ preparers as the unit of observation.

An overview of USDA nationwide food surveys is provided in Table 2.

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