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Related Experiment Videos

The relationship between severe asthma and social class

P Littlejohns1, L D Macdonald

  • 1Department of Public Health Sciences, St Georges Hospital Medical School, London, U.K.

Respiratory Medicine
|February 1, 1993
PubMed
Summary

Severe asthma is more prevalent in lower social classes. Adults in social classes 4 and 5 were twice as likely to have severe asthma compared to those in social classes 1 and 2.

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Area of Science:

  • Epidemiology
  • Public Health
  • Respiratory Medicine

Background:

  • Asthma prevalence has been anecdotally linked to higher social classes.
  • Understanding the relationship between asthma severity and socioeconomic status is crucial for public health interventions.

Purpose of the Study:

  • To investigate the association between severe asthma and social class in adults.
  • To determine if asthma prevalence or severity differs across socioeconomic strata.

Main Methods:

  • Analysis of a national study of disabled adults (n=10,000) from the Office of Population Censuses and Surveys (OPCS).
  • Calculation of morbidity ratios to compare asthma rates across social classes (1-5).
  • Inclusion of 291 cases with recorded social class and asthma as a contributing disability.

Main Results:

  • Respiratory diseases accounted for 13% of disabilities, with asthma and allergy comprising 3%.
  • Adults in social classes 4 and 5 had a morbidity ratio of 131, significantly higher than social classes 1 and 2 (morbidity ratio 63).
  • Individuals in the lowest social classes (4 and 5) were approximately twice as likely to experience severe asthma.

Conclusions:

  • Severe asthma is disproportionately prevalent in lower socioeconomic groups (social classes 4 and 5).
  • Findings suggest potential disparities in asthma prevalence or treatment effectiveness across different social classes.
  • Further research is needed to explore the underlying causes of this social gradient in severe asthma.

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