Pilot Intervention Using Food Challenges and Video Technology for Promoting Fruit and Vegetable Consumption
2022
O'Neal, Carol S. | Cocco, Adam R. | Della, Lindsay J. | Ashlock, Mary Z.
To evaluate the feasibility of a Social Cognitive Theory-based intervention on cognitive, affective, and behavioral outcomes in a college nutrition course. A pre-post quasi-experimental design. Large metropolitan university. College students (n = 138) aged 18–40 years. Students participated in weekly food challenges during a 15-week nutrition course to apply nutrition knowledge, develop self-efficacy and promote positive behavior change. Food challenges were implemented by a guided goal-setting strategy. Cooking videos, which modeled important nutrition-related skills, accompanied each challenge. Students independently selected 2-goal options to implement weekly and wrote a reflection about their experiences. Cognitive outcomes (nutrition and cooking self-efficacy), affective outcome (cooking attitudes), and behavioral outcomes (fruit and vegetable consumption). Descriptive statistics and paired sample t tests. Analyses showed significant increases in cognitive outcomes (produce consumption self-efficacy [P = 0.004], cooking self-efficacy [P = 0.002], using fruit/vegetables and seasoning self-efficacy [P = 0.001]) and behavioral outcomes (fruit consumption [P < 0.001], and vegetable consumption [P < 0.001]). This pilot study suggested a framework for behavioral change, grounded in constructs central to Social Cognitive Theory, that simplified the goal-setting process (by using guided goal setting) and used video technology to decrease the cost of implementation.
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