Change in β2-agonist use after severe life events in adults with asthma : A population-based cohort study Life events and bronchodilator usage among adults with asthma

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Lietzen , R , Virtanen , P , Kivimaki , M , Korkeila , J , Suominen , S , Sillanmaki , L , Koskenvuo , M & Vahtera , J 2017 , ' Change in β2-agonist use after severe life events in adults with asthma : A population-based cohort study Life events and bronchodilator usage among adults with asthma ' , Journal of Psychosomatic Research , vol. 100 , pp. 46-52 . https://doi.org/10.1016/j.jpsychores.2017.07.003

Title: Change in β2-agonist use after severe life events in adults with asthma : A population-based cohort study Life events and bronchodilator usage among adults with asthma
Author: Lietzen, Raija; Virtanen, Pekka; Kivimaki, Mika; Korkeila, Jyrki; Suominen, Sakari; Sillanmaki, Lauri; Koskenvuo, Markku; Vahtera, Jussi
Contributor: University of Helsinki, Clinicum
University of Helsinki, University College London
University of Helsinki, Markku Koskenvuo / Principal Investigator
Date: 2017-09
Language: eng
Number of pages: 7
Belongs to series: Journal of Psychosomatic Research
ISSN: 0022-3999
URI: http://hdl.handle.net/10138/224243
Abstract: Objective: This prospective, population-based cohort study of 1102 Finnish adults with asthma, examined whether exposure to stressful life events is associated with the intensity of usage of inhaled short-acting beta(2)-agonists. Methods: Survey data was collected by two postal questionnaires. Baseline characteristics were obtained in 1998 and data on 19 specific stressful events (e.g. death of a child or spouse or divorce) within the six preceding months in 2003. Exposure to life events was indicated by a sum score weighted by mean severity of the events. Participants were linked to records of filled prescriptions for inhaled short-acting beta(2)-agonists from national registers from 2000 through 2006. The rates of purchases of short-acting beta(2)-agonists before (2000 2001), during (2002 2003) and after (2004-2006) the event exposure were estimated using repeated-measures Poisson regression analyses with the generalized estimating equation. Results: Of the 1102 participants, 162 (15%) were exposed to highly stressful events, 205 (19%) to less stressful events. During the 7-year observation period, 5955 purchases of filled prescription for inhaled short-acting beta(2)-agonists were recorded. After exposure to highly stressful events, the rate of purchases of beta(2)-agonists was 1.50 times higher (95% confidence interval (CI): 1.05, 2.13) than before the stressful event occurred. Among those with low or no exposure to life events, the corresponding rate ratios were not elevated (rate ratio 0.81, 95% CI: 0.66, 0.99 and 0.95, 95% CI: 0.83, 1.09 respectively). Conclusion: An increase in beta(2)-agonist usage after severe life events suggests that stressful experiences may worsen asthma symptoms.
Subject: Asthma
Cohort study
Generalized estimating equation method
Life events
Short-acting beta(2)-agonists
Stressful life events
RESPIRATORY-INFECTIONS
PSYCHOSOCIAL STRESS
EXACERBATIONS
DISEASES
ONSET
PREVENTION
MORBIDITY
INVENTORY
PROGRAM
FINLAND
3121 General medicine, internal medicine and other clinical medicine
3124 Neurology and psychiatry
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