Prevalence and factors associated with self-reported chronic obstructive pulmonary disease among adults aged 40-79: the National Health and Nutrition Examination Survey (NHANES) 2007–2012
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Prevalence and factors associated with self-reported chronic obstructive pulmonary disease among adults aged 40-79: the National Health and Nutrition Examination Survey (NHANES) 2007–2012

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  • English

  • Details:

    • Alternative Title:
      EC Pulmonol Respir Med
    • Description:
      Introduction: Chronic obstructive pulmonary disease (COPD) is a respiratory disease that often goes undiagnosed, particularly in its early stages. Objective: To examine sociodemographic, general health, and COPD specific factors, including severity of lung obstruction, that are associated with healthcare provider-diagnosed COPD among U.S. adults. Methods: NHANES cross-sectional data collected from 2007–2012 on adults aged 40–79 years (n=10,219) were analyzed. The primary outcome was self-reported COPD diagnosis with predictive factors analyzed via chi-square and logistic regression analyses. Results: During 2007–2012, 5.2% of US adults aged 40–79 reported being diagnosed with COPD. Among those diagnosed, 50.8% reported fair or poor health, 47.1% were currently smoking cigarettes, 49.1% were taking prescription respiratory medication, 36.4% had moderate or worse lung obstruction, and nearly 90% had one or more respiratory symptoms. Logistic regression revealed positive associations between receiving a COPD diagnosis and the following: being white (AOR: 3.08, 95% CI: 1.82–5.20); being aged 60–79 years (AOR: 1.65, 95% CI: 1.07–2.53); reporting fair/poor health (AOR: 2.91, CI: 1.55–5.46); having 4–9 (AOR: 3.5, CI: 1.3–9.4) or 10 or more healthcare visits in prior year (AOR: 5.06, CI: 1.62–15.77); being a former (AOR: 1.75, CI: 1.2–2.5) or current smoker (AOR: 1.70, CI: 1.17–2.48); having more severe lung obstruction (AOR: 4.90, CI: 3.28–7.32); having 3 or more respiratory symptoms (AOR: 22.07, CI: 12.03–40.49). Conclusions: Multiple factors are associated with self-reported COPD diagnosis with number of reported respiratory symptoms having the strongest association. After controlling for other factors, having mild lung obstruction was not associated with being diagnosed.
    • Pubmed ID:
      30294723
    • Pubmed Central ID:
      PMC6169793
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