Please use this identifier to cite or link to this item:http://hdl.handle.net/20.500.12105/6632
Changes in hospitalizations for chronic respiratory diseases after two successive smoking bans in Spain
Galan, Iñaki ISCIII | Simon Mendez, Lorena ISCIII | Boldo, Elena ISCIII | Ortiz Burgos, Cristina ISCIII | Fernandez-Cuenca , Rafael ISCIII | Linares-Gil, Cristina ISCIII | Medrano, Maria Jose ISCIII | Pastor-Barriuso, Roberto ISCIII
PLoS One. 2017 May 24;12(5):e0177979.
BACKGROUND: Existing evidence on the effects of smoke-free policies on respiratory diseases is scarce and inconclusive. Spain enacted two consecutive smoke-free regulations: a partial ban in 2006 and a comprehensive ban in 2011. We estimated their impact on hospital admissions via emergency departments for chronic obstructive pulmonary disease (COPD) and asthma. METHODS: Data for COPD (ICD-9 490-492, 494-496) came from 2003-2012 hospital admission records from the fourteen largest provinces of Spain and from five provinces for asthma (ICD-9 493). We estimated changes in hospital admission rates within provinces using Poisson additive models adjusted for long-term linear trends and seasonality, day of the week, temperature, influenza, acute respiratory infections, and pollen counts (asthma models). We estimated immediate and gradual effects through segmented-linear models. The coefficients within each province were combined through random-effects multivariate meta-analytic models. RESULTS: The partial ban was associated with a strong significant pooled immediate decline in COPD-related admission rates (14.7%, 95%CI: 5.0, 23.4), sustained over time with a one-year decrease of 13.6% (95%CI: 2.9, 23.1). The association was consistent across age and sex groups but stronger in less economically developed Spanish provinces. Asthma-related admission rates decreased by 7.4% (95%CI: 0.2, 14.2) immediately after the comprehensive ban was implemented, although the one-year decrease was sustained only among men (9.9%, 95%CI: 3.9, 15.6). CONCLUSIONS: The partial ban was associated with an immediate and sustained strong decline in COPD-related admissions, especially in less economically developed provinces. The comprehensive ban was related to an immediate decrease in asthma, sustained for the medium-term only among men.
Asthma | Emergency Service, Hospital | Female | Hospitalization | Humans | Male | Pulmonary Disease, Chronic Obstructive | Smoke-Free Policy | Smoking | Spain
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