Tobacco use among designated air pollution victims and its association with lung function and respiratory symptoms: a retrospective cross-sectional study.

ABSTRACT:

Objectives

We sought to elucidate the long-term association of tobacco use and respiratory health in designated pollution victims with and without obstructive pulmonary defects.

Design

A retrospective cross-sectional study.

Setting

The register of pollution victims in Kurashiki, Japan.

Participants

730 individuals over 65 years of age previously diagnosed with pollution-related respiratory disease. Patients were classified into four groups according to their smoking status and whether they had obstructive pulmonary disease. We then compared the prevalence of respiratory symptoms and lung function over time between groups.

Primary outcome measures

Spirometry was performed and a respiratory health questionnaire completed in the same season each year for up

SUBMITTER: Kotaki K 

PROVIDER: S-EPMC4120398 | biostudies-literature | 2014 Jul

REPOSITORIES: biostudies-literature