Abstract
Objective: To develop a Web-based tool (PortionSize at warenessTool) and to evaluate its effectiveness in increasing awareness of reference serving sizes and factors that may contribute to overeating in response to large portion sizes. Methods: A randomized, controlled trial (intervention, n = 167; control, n = 143) was conducted. The authors measured awareness of reference serving size and overeating triggers from larger portions by an online questionnaire, assessed at baseline and 1 week later. Exposure dose reflected online activity (eg, number of Web pages viewed). Process evaluation data were collected within the intervention group. Results: The intervention group demonstrated significantly higher awareness of reference serving sizes (η
Original language | English |
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Pages (from-to) | 701-707 |
Journal | Journal of Nutrition Education and Behavior |
Volume | 45 |
Issue number | 6 |
DOIs | |
Publication status | Published - 2013 |