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Population-level response shift: novel implications for research.

Darren Lau1, Calypse Agborsangaya, Fatima Al Sayah

  • 1Department of Public Health Sciences, 2-040 Li Ka Shing Centre for Health Research Innovation, University of Alberta, Edmonton, Alberta, AB, T6G 2E1, Canada.

Quality of Life Research : an International Journal of Quality of Life Aspects of Treatment, Care and Rehabilitation
|November 19, 2011
PubMed
Summary

Response shift, a change in health perception, may occur at the population level due to significant social events. Further investigation is needed to understand its impact on health-related quality of life (HRQL) research.

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Area of Science:

  • Social Epidemiology
  • Health Psychology
  • Health Services Research

Background:

  • Response shift (RS) alters perceived health-related quality of life (HRQL) through internal standard changes.
  • This commentary explores the potential for RS to manifest at the population level.

Purpose of the Study:

  • To propose and illustrate the concept of population-level response shift.
  • To consider the implications of population-level RS for HRQL measurement and health program evaluation.

Main Methods:

  • Conceptual analysis and illustration.
  • Examination of two case studies: the September 11 terror attacks and smoking denormalization.

Main Results:

  • Population-level RS can occur when widespread, simultaneous shifts are triggered by socially significant events or trends.
  • These catalysts differ from individual-level causes and influence population risk distributions.

Conclusions:

  • The existence and impact of population-level RS remain to be empirically verified.
  • Investigating population-level RS is valuable for validating HRQL research and evaluating public health interventions.