Effect of stimuli on sun protective habits: A randomized double-blind controlled study

Photodermatol Photoimmunol Photomed. 2019 Jan;35(1):17-23. doi: 10.1111/phpp.12416. Epub 2018 Oct 9.

Abstract

Background: Visual imagery has been shown to improve adherence to health messages but has scarcely been investigated in sun protection campaigns.

Objective: To determine the effectiveness of pictorial- and textual-based sun protective messages in a largely Hispanic population.

Methods: One hundred and forty-five participants received standard of care (SOC) as defined as sun protective counseling and were then randomized to receive either (a) images of sun damage, (b) a textual pamphlet about sun damage, or (c) no further messages. Analysis-of-variance tests for repeated measures were used to estimate the effects of the different stimuli on participants' knowledge and intention to sun protect.

Results: All stimulus groups demonstrated an improvement in perceived effectiveness of sun protective habits (p < 0.05). However, pictorial and textual stimuli were both more effective than SOC in improving intentions to sun protect (p < 0.05), but there was no differential effect between the two.

Conclusions: Both pictorial and textual stimuli were more effective than SOC in improving intentions to sun protect, but there was no differential effect between the two.

Keywords: sun protection; text; visual imagery.

Publication types

  • Randomized Controlled Trial

MeSH terms

  • Adult
  • Aged
  • Aged, 80 and over
  • Double-Blind Method
  • Female
  • Habits*
  • Humans
  • Male
  • Middle Aged
  • Patient Education as Topic*
  • Sunscreening Agents / administration & dosage*

Substances

  • Sunscreening Agents