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What do people think about genetics? A systematic review.

Erin LePoire1, Baishakhi Basu1, Lorelei Walker2

  • 1University of Washington, Box 357120, Seattle, WA, 98195, USA.

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Public awareness and knowledge of genetics in medicine are high. Attitudes towards genetic testing are mixed but leaning positive, with risk perception aligning with actual risks, supporting continued genetic education.

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Area of Science:

  • Genomics and Medical Genetics
  • Public Health and Health Education
  • Social Sciences and Health Attitudes

Background:

  • Genetics integration into medical practice necessitates understanding public perception.
  • Previous research indicated varied public attitudes toward genetics.
  • Evolving public understanding requires updated assessments of awareness, attitudes, knowledge, and risk perception.

Purpose of the Study:

  • To systematically review and synthesize current literature on public awareness, attitudes, knowledge, and risk perception regarding genetics in the USA.
  • To establish a baseline understanding for developing targeted genomic educational strategies.
  • To identify trends in public perception of genetics over the last five years.

Main Methods:

  • Systematic literature review adhering to Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines.
  • Initial screening of 442 articles, with 51 selected based on criteria (last 5 years, USA, non-provider populations, quantitative data, adults 18+).
  • Thematic coding and analysis of the 51 eligible quantitative studies.

Main Results:

  • Public awareness of genetics in medicine is generally high.
  • Attitudes towards genetic testing and counseling are mixed, with a notable proportion reporting positive views.
  • Self-reported knowledge is reasonably high, particularly following targeted educational interventions.
  • Perception of genetic risks generally aligns with scientifically established risks.

Conclusions:

  • Current public awareness and knowledge of genetics are substantial.
  • Positive attitudes and aligned risk perception support ongoing genetic information dissemination.
  • The findings provide a foundation for community-specific genomic education initiatives and tools.