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Socioeconomic risk factors for lung function decline in a general population
A Johannessen1, T M L Eagan, E R Omenaas
1Centre for Clinical Research, Haukeland University Hospital, 5021 Bergen, Norway. ane.johannessen@helse-bergen.no
The European Respiratory Journal
|February 13, 2010
Summary
Socioeconomic status (SES) impacts lung function differently in men and women. Lower SES is linked to faster lung function decline in males, while marital status is a key factor for females.
Area of Science:
- Public Health
- Epidemiology
- Respiratory Medicine
Background:
- Socioeconomic status (SES) is a known determinant of health.
- Its specific impact on lung function, considering sex differences, requires further investigation.
Purpose of the Study:
- To investigate sex-specific associations between SES (education, occupation, income) and lung function decline.
- To identify predictors of lung function decline in a general adult population.
Main Methods:
- Longitudinal cohort study (Hordaland County Cohort Study) with 1,644 adults (26-82 yrs).
- Data collected via questionnaires and post-bronchodilator spirometry in two phases (1996-1997 and 2003-2006).
- Adjusted linear regression analysis used to assess SES effects on lung function decline (FEV(1), FVC, FEV(1)/FVC).
Main Results:
- Males exhibited a greater annual decline in FEV(1) (57 mL) and FVC compared to females.
- Lower educational level and occupational status were associated with accelerated lung function decline in males.
- SES did not significantly impact female lung function decline; however, marital status was a significant predictor, with unmarried females showing less decline.
Conclusions:
- Low socioeconomic status is linked to increased lung function decline in males.
- Marital status is a more significant factor than SES for lung function decline in females.
- Findings highlight the need for sex-specific approaches in public health strategies addressing respiratory health and socioeconomic disparities.
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