This study employed the citizen communication mediation model to investigate how informational media use and interpersonal communication as well as attitude contribute to the improvement of healthy diet habit, fruit and vegetable consumption. In addition, this study identifies the flow of health information on media through interpersonal communication, leading to the behavior. To examine the relationships between media use on health information, interpersonal communication, attitude, and the dietary behavior, this study uses a nationally representative survey of 3827 adults in the United States, the 2009 National Health Communication Survey. The results show that informational media use and interpersonal communication as well as attitude plays a crucial role in the improvement of the target behavior. The implications of these findings are discussed.
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