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Marsha Trego

Biographic Data

ID7549610
NAMEMarsha Trego
GIVEN NAMESMarsha
FAMILY NAMETrego
SIGNATURETREGO M
AFFILIATIONSUniversity of Pennsylvania Perelman School of Medicine
VERIFIEDNo
TOTAL WORKS1
TOTAL CITATIONS0
AUTHOR COUNT1
EDITOR COUNT0
FIRST PUBLICATION YEAR2026
LATEST PUBLICATION YEAR2026
H-INDEX0
  • Point-of-sale sugar-sweetened beverage warning posters v . control posters were associated with reductions in school store sugar-sweetened beverage purchases made by Guatemalan adolescents

    Open Access•Violeta Chacón, Joaquín Barnoya et al.•ARTICLE•Public Health Nutrition•2026

    Objective: We examined whether point-of-sale warning posters, compared with control posters, reduced Guatemalan adolescents’ purchases of sugar-sweetened beverages (SSB) at school stores. Design: We used a difference-in-differences approach (4-week baseline and 4-week treatment). Our primary analysis compared two schools assigned to an intervention warning poster to one school that displayed a control poster. Based on purchase transaction data, t…

No prominent works on this page.

  • Point-of-sale sugar-sweetened beverage warning posters v . control posters were associated with reductions in school store sugar-sweetened beverage purchases made by Guatemalan adolescents

    Open Access•Violeta Chacón, Joaquín Barnoya et al.•ARTICLE•Public Health Nutrition•2026

    Objective: We examined whether point-of-sale warning posters, compared with control posters, reduced Guatemalan adolescents’ purchases of sugar-sweetened beverages (SSB) at school stores. Design: We used a difference-in-differences approach (4-week baseline and 4-week treatment). Our primary analysis compared two schools assigned to an intervention warning poster to one school that displayed a control poster. Based on purchase transaction data, t…

Behavioral Health and Interventions (1 works) · Control (management (1 works) · Decision-Making and Behavioral Economics (1 works) · Media campaign (1 works) · Obesity, Physical Activity, Diet (1 works) · Warning signs (1 works)

Ethnos_APP • Open Source Project • MIT License • Frontend v2.0.0 • Privacy and Cookies • API Documentation: api.ethnos.app/docs • API Source Code: GitHub • DOI: 10.5281/zenodo.17049435 • Frontend Source Code: GitHub • DOI: 10.5281/zenodo.17050053 • cruz.rio.br • Expectantes Misericordiae