Obesity

Effect of Social Media Advertisements on Adolescents' Sugar‐Sweetened Beverage Choices: A Randomized Field Experiment

Obesity (Silver Spring)Published Randomised controlled trial

Primary result · Intention to purchase CluResult — go to the resultRelative risk 2.73 95% CI 1.74–4.28

Authors' conclusion

Social media advertisements for sugar-sweetened beverages significantly influence adolescents' purchase intentions of the beverages, highlighting digital advertising as a modifiable commercial determinant of dietary risks. These findings underscore the need for policy interventions that address unhealthy food digital marketing to reduce obesity-related behaviors among adolescents.

Study context

Population
Australian adolescents aged 16–17
Participants
121 adolescents
Comparison
Exposure to social media ads for a fictitious sugar-sweetened beverage (Clu) vs no exposure
Primary endpoint
Purchase intention for Clu (exit survey)
Follow-up
2 weeks
Methodological detailssingle-blinded, field experiment, randomized 1:1
  • Single-blinded
  • Field experiment
  • Randomized 1:1

Primary result

Intention to purchase Clu

Relative risk

2.73

95% CI 1.74–4.28

Events by treatment group

Interventionvs Control
RR 2.73 (95% CI 1.74–4.28)

As reported in the abstract

Original publication

Effect of Social Media Advertisements on Adolescents' Sugar‐Sweetened Beverage Choices: A Randomized Field Experiment. Obesity (Silver Spring). Published 10 May 2026. doi:10.1002/oby.70201

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