Davis College of Agriculture, Natural Resources and Design
Division of Animal and Nutritional Sciences
To describe outcomes from intervention and dissemination of iCook 4-H.
Five-state, community-based participatory research and a randomized, controlled trial followed by a 5-state, nonrandomized dissemination test of the iCook 4-H curriculum with control and treatment groups.
Community and university sites.
Youths aged 9–10 years and their adult food preparer; 228 dyads in the intervention and 74 dyads in dissemination.
Theoretical frameworks were Social Cognitive Theory and the experiential 4-H learning model. Six 2-hour, biweekly sessions on cooking, eating, and playing together followed by monthly newsletters and boosters until 24 months, expanded to 8 sessions for dissemination.
Main Outcome Measure(s)
Youth body mass index (BMI) z-scores, measured height and weight, and youth/adult program outcome evaluations surveys.
Linear mixed models, group, time, and group × time interaction for BMI z-score and program outcomes changes. Significance levels = P ≤ .05; interaction term significance = P ≤ .10.
In intervention, treatment BMI z-scores increased compared with controls based on significant interaction (P = .04). For odds of being overweight or obese at 24 months, there was no significant interaction (P = .18). In dissemination, based on significant interaction, treatment youths increased cooking skills (P = .03) and treatment adults increased cooking together (P = .08) and eating together (P = .08) compared with controls.
Conclusions and Implications
iCook 4-H program outcomes were positive for mealtime activities of cooking and eating together. The program can be successfully implemented by community educators. The increase in BMI z-scores needs further evaluation for youths in cooking programs.
Digital Commons Citation
White, Adrienne A.; Colby, Sarah E.; Franzen-Castle, Lisa; Kattelmann, Kendra K.; Olfert, Melissa D.; Gould, Tara A.; Hagedorn, Rebecca L.; Mathews, Douglas R.; Moyer, Jonathan; Wilson, Kimberly; and Yerxa, Kathryn, "The iCook 4-H Study: An Intervention and Dissemination Test of a Youth/Adult Out-of-School Program" (2019). Faculty & Staff Scholarship. 2986.
White, A. A., Colby, S. E., Franzen-Castle, L., Kattelmann, K. K., Olfert, M. D., Gould, T. A., Hagedorn, R. L., Mathews, D. R., Moyer, J., Wilson, K., & Yerxa, K. (2019). The iCook 4-H Study: An Intervention and Dissemination Test of a Youth/Adult Out-of-School Program. Journal of Nutrition Education and Behavior, 51(3), S2–S20. https://doi.org/10.1016/j.jneb.2018.11.012