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Area of Science:

  • Psychology
  • Dermatology
  • Public Health

Background:

  • Disgust is a universal emotion influencing avoidance of contamination risks.
  • Skin diseases can evoke observer aversion, impacting social interactions.
  • This study investigates aversion to facial and hand skin disease lesions.

Purpose of the Study:

  • To assess the level of aversion triggered by viewing images of skin disease lesions.
  • To explore the relationship between personal disgust sensitivity and aversion to skin lesions.
  • To identify factors influencing aversion, including lesion morphology and perceived contagiousness.

Main Methods:

  • An online questionnaire assessed demographics, personal disgust sensitivity (Disgust Scale-Revised, DS-R), and image aversion scores (IAS) for eight skin disease images.
  • Participants rated aversion on a scale of 0 to 10.
  • Statistical analyses included correlation, Cronbach's alpha, and multivariate analysis.

Main Results:

  • 649 participants provided 2596 evaluations; overall median IAS was 2.
  • Higher disgust sensitivity (DS-R) correlated significantly with higher aversion (IAS).
  • Lesions perceived as contagious received higher aversion scores; macular dyschromic lesions received lower scores. Higher aversion was linked to male gender, no children, and not being a health professional.

Conclusions:

  • Aversion to skin lesions is influenced by observer characteristics and lesion morphology.
  • Disgust sensitivity and perceived contagiousness are key factors in lesion aversion.
  • Macular dyschromic lesions are perceived as less aversive.