Title page for ETD etd-04182006-100829

Type of Document Master's Thesis
Author Spangler, Jennifer Anne LaBarge
Author's Email Address jspangler@vt.edu
URN etd-04182006-100829
Title Beverage Vending Purchasing Patterns and Attitudes in Southwest Virginia High School Students
Degree Master of Science
Department Human Nutrition, Foods, and Exercise
Advisory Committee
Advisor Name Title
Serrano, Elena L. Committee Chair
Gaylord, Clark K. Committee Member
Hosig, Kathryn Wright Committee Member
  • sweetened beverages
  • vending machines
  • school
  • adolescents
Date of Defense 2006-03-17
Availability unrestricted
Beverage Vending Purchasing Patterns and Attitudes in Southwest Virginia High School Students

Purpose: This article examines changes in attitude and beverage consumption after a school-wide policy change replacing sweetened beverages in vending machines with 100% juice and bottled water.

Methods: Written questionnaires were administered three times to high school students (n = 278) in an ethnically-diverse, southwest Virginia school district. X ² analysis was utilized and test-retest reliability was assessed with intra-class correlation coefficients.

Results: Pearson correlation coefficients for reliability between test and re-test displayed a range from r =0.53 to r =0.73. There were no significant differences in demographics (gender and ethnicity) between time periods. X ² analysis revealed students were significantly more likely to choose healthier beverage vending options after one year compared to baseline (P<0.01). Although beverage vending purchases declined to near significance immediately following the change, there were no significant changes observed between baseline and follow-up (P<0.05). X ² analysis revealed no significant (P<0.05) changes in outside purchase patterns. Students also indicated that the top reasons for snack/beverage choices were hunger, taste, and price.

Conclusion: This suggests that students purchase what is convenient and available, regardless of choices. Therefore, environmental changes may be beneficial to promote healthier beverage choices among adolescents.

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