Tobacco use among designated air pollution victims and its association with lung function and respiratory symptoms: a retrospective cross-sectional study.
Bottom Line: A retrospective cross-sectional study.Spirometry was performed and a respiratory health questionnaire completed in the same season each year for up to 30 years.Patients' respiratory function did not fully recover despite improved air quality.
Affiliation: Department of Cardiopulmonary Rehabilitation Science, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.Show MeSH
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Mentions: Figure 2 shows the annual mean daily levels of SO2 and NO2 recorded from 1965 to 2009 in Kurashiki. The Air Pollution Control Law was enacted in 1968. SO2 levels were above the acceptable level every year from 1968 to 1974 and then decreased to below 40 parts per billion (ppb), which is the acceptable level defined by the Air Pollution Control Law. In 1973, the acceptable NO2 level was changed by the Air Pollution Control Law from 20 to 40 ppb. The NO2 level exceeded the revised acceptable level only in 1973.
Affiliation: Department of Cardiopulmonary Rehabilitation Science, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.