The Asymmetric Effect of Dietary Knowledge on Nutrient Intake In China: Implications for Dietary Education Programs

This paper demonstrates that dietary knowledge can influence nutrient intake differently depending on whether expected food availability is increasing or decreasing. Using data from China, we find that overall dietary knowledge has larger and more statistically significant effects on total calorie intake and the intake of three macro nutrients (carbohydrate, fat, and protein) when expected food availability increases than when it decreases. Without distinguishing the direction of changes in expected food availability, most of the corresponding effects become smaller and statistically insignificant. Thus, the effect of dietary knowledge on nutrient intake might have been underestimated in previous studies. We discuss the implications of these findings for the design and implementation of dietary education programs.

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 Record created 2017-04-01, last modified 2018-01-22

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