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Randomized, Triple-Blind, and Parallel-Controlled Trial of Transcranial Direct Current Stimulation for Cognitive Rehabilitation after Stroke
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Appearance-based vs health-based sun protective messages: A randomized, double-blind controlled study.

Judy Cheng1, Rafael Widjajahakim1, Susruthi Rajanala2

  • 1Department of Dermatology, Boston University School of Medicine, Boston, Massachusetts.

Journal of Cosmetic Dermatology
|September 25, 2018
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Summary

Appearance-based messages effectively improved sun protection intentions in Hispanic and White patients. This approach was particularly successful for younger individuals and those who find tanned skin attractive.

Keywords:
appearance-basedhealth-basedphotoprotection

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Area of Science:

  • Dermatology
  • Public Health
  • Behavioral Science

Background:

  • Appearance-based messages show potential for improving sun protection habits, primarily studied in Caucasian populations.
  • Research on these interventions is limited in Hispanic populations, where cosmetic concerns like hyperpigmentation are common.

Purpose of the Study:

  • To compare the efficacy of appearance-based versus health-based messages for sun protection in an ethnic patient group.
  • To address the prevalence of cosmetically concerning hyperpigmentation disorders in this population.

Main Methods:

  • 137 patients were randomized to view images related to skin cancer, hyperpigmentation, or wrinkles.
  • Analysis of variance tests for repeated measures assessed the impact of stimuli on knowledge and intention to sun protect.

Main Results:

  • Appearance-based interventions significantly improved sun protection intentions in both Hispanic and non-Hispanic White participants (P < 0.05).
  • These messages were more effective in younger patients (≤40 years) and individuals who perceive tanned skin as attractive (P < 0.05).

Conclusions:

  • Appearance-based sun damage images were more effective than health-based messages for Hispanic patients.
  • Younger populations and those valuing tanned appearances showed greater positive responses to appearance-based interventions.