Abstract
To examine the relationship between student and classroom-level characteristics on nutrition knowledge after completion of the FoodMASTER Intermediate (FMI) integrated nutrition education program among 4th grade students, as compared to a similar group of control students. The sample consisted of n=263 students nested in 18 classrooms in North Carolina and Ohio. Nine classrooms used FMI and nine used traditional mathematics and science curriculum in a quasi-experimental design. Multi-level models were used to assess the relationship between student-level variables including: gender, free and reduced lunch status (as a proxy for student socioeconomic status), and baseline nutrition knowledge; classroom-level variables including: control or intervention status, teacher experience and teacher nutrition training on student nutrition knowledge at the conclusion of the program. A total of five models were built and analyzed using PROC MIXED and estimated using maximum likelihood in SASv9.4. Classroom-level variables including curriculum and teacher characteristics accounted for ∼56% of variability in nutrition knowledge after the program. The FoodMASTER intervention was found to be a significant predictor of nutrition knowledge. Students exposed to FMI score on average 4.32 points higher than control classrooms (p=.0001). Teachers with 8+ years of experience were found to improve predicted post-nutrition knowledge scores (p=.006). Based on these analyses, integrated nutrition education such as FoodMASTER significantly increases student nutrition knowledge. Further, there is a moderating influence of teacher experience indicating that effectiveness of nutrition education programs may be improved when administered by experienced teachers.
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