Differential Improvements in Student Fruit and Vegetable Selection and Consumption in Response to the New National School Lunch Program Regulations: A Pilot Study

Karen W. Cullen, Tzu-An Chen, Jayna M. Dave and Helen Jensen

ISU General Staff Papers from Iowa State University, Department of Economics

Abstract: Objective To investigate changes in student food selection and consumption in response to the new National School Lunch Program meal patterns during fall 2011. Design Eight elementary and four intermediate schools in one Houston area school district were matched on free/reduced-price meal eligibility and randomized into control or intervention conditions. Intervention Both intervention and control school cafeterias served the same menu. The intervention school cafeterias posted the new meal pattern daily; students could select one fruit and two vegetable servings per reimbursable meal. Control school students could only select the previous meal pattern: a total of two fruit and vegetable servings per meal. Main outcome measures Students were observed during lunch: student sex and foods selected/consumed were recorded. Diet analysis software was used to calculate energy/food groups selected/consumed. Statistical analyses performed Cochran-Mantel-Haenszel χ2 tests examined differences in the percent of students selecting each meal component by condition, controlling for sex, grade, and school free/reduced-price meal eligibility. Analysis of covariance assessed differences in amount of energy/food groups selected and consumed, and differences in percent of food groups consumed. Results Observations were conducted for 1,149 elementary and 427 intermediate students. Compared with students in the control schools, significantly more intervention elementary and intermediate school students selected total (P

Date: 2015-05-01
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