[Factors associated with asthma control in primary care patients: the CHAS study]

Arch Bronconeumol. 2010 Jul;46(7):358-63. doi: 10.1016/j.arbres.2010.01.007. Epub 2010 Mar 15.
[Article in Spanish]

Abstract

Background: Asthma control is inadequate in all populations studied to date, leading to a major part of the cost of the disease. The aim of our study was to evaluate the prevalence of uncontrolled asthma in primary care patients and identify the associated factors.

Methods: We carried out a cross-sectional study of the population of primary care asthmatic patients over 18 years old in Spain (n=2159). Asthma control was measured with the Asthma Control Questionnaire (ACQ). The sociodemographic variables and treatment compliance were measured using a questionnaire. We built logistic-regression models using Asthma control, a dichotomous variable generated from ACQ score.

Results: The prevalence of uncontrolled asthma was 63.9%. Treatment with oral corticosteroids (OCS) (OR=6.55), greater asthma severity (OR=3.11), presence of a distressing event (OR=2.44), lower significance given to treatment compliance (OR=1.66) and living in a rural area (OR=1.29) are associated with uncontrolled asthma. On the contrary, sex, age, obesity, smoking, alcohol intake and educational level had no effect on asthma control.

Conclusions: In Spain asthma is still uncontrolled and some factors leading to this situation appear to be modifiable by the health system.

Publication types

  • English Abstract
  • Multicenter Study
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adrenal Cortex Hormones / therapeutic use
  • Adult
  • Aged
  • Alcohol Drinking / epidemiology
  • Anti-Asthmatic Agents / therapeutic use
  • Asthma / drug therapy
  • Asthma / epidemiology*
  • Comorbidity
  • Cross-Sectional Studies
  • Educational Status
  • Female
  • Humans
  • Male
  • Middle Aged
  • Obesity / epidemiology
  • Patient Compliance
  • Prevalence
  • Primary Health Care / statistics & numerical data*
  • Risk Factors
  • Rural Population / statistics & numerical data
  • Severity of Illness Index
  • Smoking / epidemiology
  • Spain / epidemiology
  • Stress, Psychological / epidemiology

Substances

  • Adrenal Cortex Hormones
  • Anti-Asthmatic Agents