TY - JOUR
T1 - Diverging trends of chronic bronchitis and smoking habits between 1998 and 2010
AU - Accordini, Simone
AU - Corsico, Angelo Guido
AU - Cerveri, Isa
AU - Antonicelli, Leonardo
AU - Attena, Francesco
AU - Bono, Roberto
AU - Casali, Lucio
AU - Ferrari, Marcello
AU - Fois, Alessandro
AU - Marchetti, Pierpaolo
AU - Pirina, Pietro
AU - Tassinari, Roberta
AU - Verlato, Giuseppe
AU - de Marco, Roberto
PY - 2013/2/8
Y1 - 2013/2/8
N2 - Background: No study has been carried out on the time trend in the prevalence of chronic bronchitis (CB) in recent years, despite its clinical and epidemiological relevance. We evaluated the trend in CB prevalence during the past decade among young Italian adults.Methods: A screening questionnaire was mailed to general population samples of 20-44 year-old subjects in two cross-sectional surveys: the Italian Study on Asthma in Young Adults (ISAYA) (1998/2000; n = 18,873, 9 centres) and the screening stage of the Gene Environment Interactions in Respiratory Diseases (GEIRD) study (2007/2010; n = 10,494, 7 centres). CB was defined as having cough and phlegm on most days for a minimum of 3 months a year and for at least 2 successive years. The prevalence rates and the risk ratios (RRs) for the association between CB and each potential predictor were adjusted for gender, age, season of response, type of contact, cumulative response rate, and centre.Results: CB prevalence was 12.5% (95% CI: 12.1-12.9%) in 1998/2000 and 12.6% (95% CI: 11.7-13.7%) in 2007/2010; it increased among never smokers (from 7.6 to 9.1%, p = 0.003), current light smokers (
AB - Background: No study has been carried out on the time trend in the prevalence of chronic bronchitis (CB) in recent years, despite its clinical and epidemiological relevance. We evaluated the trend in CB prevalence during the past decade among young Italian adults.Methods: A screening questionnaire was mailed to general population samples of 20-44 year-old subjects in two cross-sectional surveys: the Italian Study on Asthma in Young Adults (ISAYA) (1998/2000; n = 18,873, 9 centres) and the screening stage of the Gene Environment Interactions in Respiratory Diseases (GEIRD) study (2007/2010; n = 10,494, 7 centres). CB was defined as having cough and phlegm on most days for a minimum of 3 months a year and for at least 2 successive years. The prevalence rates and the risk ratios (RRs) for the association between CB and each potential predictor were adjusted for gender, age, season of response, type of contact, cumulative response rate, and centre.Results: CB prevalence was 12.5% (95% CI: 12.1-12.9%) in 1998/2000 and 12.6% (95% CI: 11.7-13.7%) in 2007/2010; it increased among never smokers (from 7.6 to 9.1%, p = 0.003), current light smokers (
KW - Allergic rhinitis
KW - Asthma
KW - Chronic bronchitis
KW - Cigarette smoking
KW - Epidemiology
UR - http://www.scopus.com/inward/record.url?scp=84873451654&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84873451654&partnerID=8YFLogxK
U2 - 10.1186/1465-9921-14-16
DO - 10.1186/1465-9921-14-16
M3 - Article
C2 - 23394461
AN - SCOPUS:84873451654
VL - 14
JO - Respiratory Research
JF - Respiratory Research
SN - 1465-9921
IS - 1
M1 - 16
ER -