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University of Wisconsin-Eau Claire An Evaluation of the USDA Fresh Fruit and Vegetable Pilot Program in Wisconsin Schools Anjali Anand and Beth Lutz Undergraduate Students University of Wisconsin-Eau Claire Eric Jamelske, Ph.D. Assistant Professor, Economics Department University of Wisconsin-Eau Claire Lori Bica, Ph.D. Associate Professor, Psychology Department University of Wisconsin-Eau Claire
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Overview Motivation & introduction Fresh fruit and vegetable program Evaluation process Willingness to try new fruits & vegetables Changes in consumption for low intake students Teacher & parent surveys Discussion & future research
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University of Wisconsin-Eau Claire Introduction Overweight is now the most common medical condition of childhood in the United States, with the prevalence having more than doubled over the past 20 years Poor nutrition, including inadequate fruit and vegetable consumption amongst children and adolescents, remains a central cause In 2002, the U.S. Department of Agriculture (USDA) Fresh Fruit and Vegetable Program (FFVP) was created to improve nutrition and help combat childhood obesity
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University of Wisconsin-Eau Claire Introduction In November 2005, Wisconsin was added as an expansion state 25 schools provided daily fruit and vegetable snacks to students in combination with nutrition education We evaluate whether this program resulted in positive changes in attitude and behavior in terms of eating fruits and vegetables
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University of Wisconsin-Eau Claire WI Fresh Fruit & Vegetable Program Unique partnerships
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University of Wisconsin-Eau Claire Wisconsin Fresh Fruit &Vegetable Program
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University of Wisconsin-Eau Claire Evaluation Process Pre-program survey March 2006 (4 th, 7 th, 9 th grades)* Post-program survey I May, June 2006 (4 th, 7 th, 9 th grades)* Post-program survey II March 2007 (5 th, 8 th, 10 th grades) 25 program and 10 control schools Monthly food service reports Teacher and parent surveys (5 th grade)*
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University of Wisconsin-Eau Claire
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Sample Pretest sample of 2,863 –2,287 treatment 576 control Posttest data entered for a subset of full sample Further limited to only those with both pretest and posttest responses to survey questions that are the focus of this study 1,127 participants –784 in 10 treatment schools & 343 in 10 control schools
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University of Wisconsin-Eau Claire
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Measurement & Evaluation Indicator variable equal to 1 for those students with a positive change between the pre-test and post-test and 0 otherwise
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University of Wisconsin-Eau Claire
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Measurement & Evaluation Probit regression analysis –gender, race/ethnicity, grade, physical activity, TV/video game limits, family dinners, and fast-food consumption Treatment students were 12.1 percentage points more likely to report increased willingness to try a new fruit at school (p < 0.01) Treatment students were 6.7 percentage points more likely to report increased willingness to try a new vegetable at school (p = 0.02)
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University of Wisconsin-Eau Claire
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Measurement & Evaluation Students reported their eating patterns using a list of food items, including 39 fruits and vegetables, for three consecutive days Calculated each student's average daily fruit and vegetable intake for the three-day period Subset of students who reported average daily fruit and vegetable intake of one or less on the pretest
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University of Wisconsin-Eau Claire Measurement & Evaluation Indicator variable equal to 1 for those students with a positive change between the pretest and posttest and 0 otherwise Positive change was defined as an increase in average daily fruit and vegetable intake of at least 0.2 from pretest to posttest The mean of this new variable measures the percent of students that increased their average daily fruit and vegetable consumption between the pretest and posttest
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University of Wisconsin-Eau Claire
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Measurement & Evaluation A probit regression analysis with controls Treatment students who reported low consumption initially were 19.5 percentage points more likely than control school students to report increased average daily intake of fruits and vegetables (p = 0.07) 4 th grade treatment students (n = 40) were 29.7 percentage points more likely than control students (n = 17) to report increased average daily fruit and vegetable intake (p = 0.05)
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University of Wisconsin-Eau Claire Findings We find a difference between the groups in willingness to try new fruits and vegetables at school, but not at home These findings are not surprising given that school is where students are exposed to the new foods and where they are engaging in activities designed to promote fruits and vegetables We find some evidence of a difference between the groups in increased average daily fruit and vegetable intake among students with low initial consumption Positive program impacts were largest among 4 th graders
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University of Wisconsin-Eau Claire Findings Long term program success will require impacting both attitude and behavior beyond school and into the home We anticipate that differences in attitudes toward trying new fruits and vegetables at home will emerge with longer exposure to the program We also anticipate that differences in average daily fruit and vegetable intake will grow with longer exposure to the program
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University of Wisconsin-Eau Claire Future Research Plans Also important for program success is the commitment and support of school personnel and administration We conducted surveys of 5 th grade teachers (N=38, 15 schools) and parents (N=256, 15 schools) in May 2007 1,100 fifth grade students in 16 schools 52 fifth grade teachers in 16 schools
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University of Wisconsin-Eau Claire
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Teacher Comments Students looked forward to the snacks...actually they seemed to work harder and with more focus. We discussed the nutritional value of fruits & veggies to our bodies. Our kitchen staff sent emails about the nutrients & the students in my class would look up what the nutrients help in our body. We talked about nutrition, good snacks vs. bad snacks. We had 1/2 a pg. color sheets…they colored it the color of the snack too, to see if they were getting diverse variety of nutrients. We have a food pyramid & connect to it…we cooked some items and tried recipes.
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University of Wisconsin-Eau Claire Parent Comments As parents, we love the fruit and vegetable program. My son wants me to tell you, Please Don't Stop! It lets him try a variety of fruits and vegetables we might not always buy at home. Great Program! Builds awareness of healthy eating habits. Reinforces the message we give at home! On weekends fruits and veggies are now also the snack of choice. My son loves fruits and veggies now. I only wish it had been offered earlier… It has helped to reinforce what I've tried to do at home…they've accepted what I'm saying more readily. When children see other kids eating fruits and vegetables, it makes them want to eat them too.
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University of Wisconsin-Eau Claire Conclusions Both parents and teachers like the program and perceive that students also like the program Parents report students trying more new fruits and vegetables and eating more fruits and vegetables overall Almost half of parents report their children asking to buy more fruits and vegetables Nutrition education activities in the classroom and parental involvement in the program are lower than desired
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University of Wisconsin-Eau Claire Future Research Analyze program effects after one year Examine food service reports to identify best practices Focus on schools with intensive intervention Further examine dietary recall data and changes in average daily fruit and vegetable intake Continue more detailed analysis of teacher and parent surveys
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