Factors associated with asthma control.
2005
The aim of this study was to evaluate which factors are associated with asthma control experienced by asthma patients. In a cross-sectional study patients aged 16–60 years with mild to moderate asthma were selected. The influence of the following factors on asthma control was studied in a multivariate model: age, gender, socioeconomic status, smoking, perceived hyperresponsiveness (PHR, responding with asthma symptoms to one or more triggers), allergy (Phadiatop®), long-acting bronchodilating agents, and inhaled corticosteroids. Asthma control was measured by means of the Asthma Control Questionnaire© (ACQ) as developed by Juniper. Forced expiratory volume in 1 second (FEV1) was measured by means of a portable spirometer. In this study with 311 patients, mean ACQ score was 1.39 (range 0–4.43). A stepwise backward linear regression analysis showed that low socioeconomic status (beta 0.425; p = 0.001), current smoking (beta 0.555; p < 0.001), high dose of inhaled corticosteroids (beta 0.364; p = 0.04) and p...
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