2020
DOI: 10.1186/s12931-020-01536-4
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Decreased COPD prevalence in Sweden after decades of decrease in smoking

Abstract: Background COPD has increased in prevalence worldwide over several decades until the first decade after the millennium shift. Evidence from a few recent population studies indicate that the prevalence may be levelling or even decreasing in some areas in Europe. Since the 1970s, a substantial and ongoing decrease in smoking prevalence has been observed in several European countries including Sweden. The aim of the current study was to estimate the prevalence, characteristics and risk factors for… Show more

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Cited by 36 publications
(30 citation statements)
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“…The interview included 162 questions about respiratory diseases, medication, and risk factors for asthma and COPD. The interview, based on the former postal questionnaire, with some modifications, has been used in several Nordic studies [28][29][30][31]. The questions used in the present study were the following.…”
Section: Clinical Examinationsmentioning
confidence: 99%
“…The interview included 162 questions about respiratory diseases, medication, and risk factors for asthma and COPD. The interview, based on the former postal questionnaire, with some modifications, has been used in several Nordic studies [28][29][30][31]. The questions used in the present study were the following.…”
Section: Clinical Examinationsmentioning
confidence: 99%
“…A possible contributing factor is that overweight and obesity may be associated with under-diagnosis of airflow limitation which in turn may lead to under-diagnosis of COPD [33]. The sex-dependent changes in smoking-habits observed since the second half of the 20th century most probably contributes to recent data indicating that the difference in prevalence of COPD between men and women has decreased or disappeared [34,35]. Still, in the large multinational study following the BOLD-protocol (Burden of Obstructive Lung Disease) male sex was independently associated with under-diagnosis of COPD, even though some sites showed an inverted pattern with larger under-diagnosis among women [13].…”
Section: Discussionmentioning
confidence: 99%
“…As asthma and COPD are chronic diseases with a high prevalence in the population, in Sweden estimated to 10% in asthma and 7% in COPD, 40 , 41 a limitation is a difficulty to reach a 100% coverage in SNAR. 16 However, of all counties in Sweden, health care units in Stockholm and Västra Götaland transmit most frequently data into SNAR, and these counties also have had the highest incident of COVID-19 in Sweden.…”
Section: Discussionmentioning
confidence: 99%