TAILIEUCHUNG - A REVIEW OF INDOOR AIR POLLUTION AND HEALTH PROBLEMS FROM THE VIEWPOINT OF ENVIRONMENTAL HYGIENE: FOCUSING ON THE STUDIES OF INDOOR AIR ENVIRONMENT IN JAPAN COMPARED TO THOSE OF FOREIGN COUNTRIES

A common approach to adjusting for seasonal and long-term trends is to use semiparametric models which incorporate a smooth function of time. The use of nonparametric smoothing in time series models of air pollution and health was suggested in Schwartz (1994a), where generalized additive Poisson models were used with LOESS smooths of time, temperature, dewpoint temperature and PM10. This approach can be thought of as regressing residuals from the smoothed dependent variable on residuals from the smoothed regressors. In this setting, the smooth function of time serves as a linear filter on the mortality and pollution series and removes any seasonal or long-term trends in the data | 488 Journal of Health Science 56 5 488-501 2010 Review A Review of Indoor Air Pollution and Health Problems from the Viewpoint of Environmental Hygiene Focusing on the Studies of Indoor Air Environment in Japan Compared to Those of Foreign Countries Koichi Harada a Asako Hasegawa Chan-Nian Wei c Keiko Minamoto Yukari Noguchi Kunio Hara e Osamu Matsushita Kosuke Noda and Atsushi Uedac Department of Biomedical Laboratory Sciences Faculty of Life Sciences Kumamoto University 4-24-1 Kuhonji Kumamoto 8620976 Japan b Graduate School of Science and Technology Kumamoto University 39-1 Kurokami 2-chome Kumamoto 860-8555 Japan c Department of Prevention and Environmental Medicine Faculty of Life Sciences Kumamoto University 1-1-1 Honjo Kumamoto 860-8556 Japan d Department of Health Sciences Faculty of Medical Sciences Kyushu University 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan Faculty of Regional Health Therapy Teikyo Heisei University 4-1 Uruidominami Ichihara 290-0193 Japan f Department of Public Policy Graduate School of Law Kumamoto University 40-1 Kurokami 2-chome Kumamoto 860-8555 Japan and innovation Promotion Office Kumamoto Software Co. Ltd. 2081 Taharu Mashiki-cho Kamimashiki-gun Kumamoto 861-2202 Japan Received May 29 2010 Excessive indoor air pollution can cause sick building syndrome SBS cases of which still occur in Japanese homes despite strict regulations on the value of indoor chemical substances established by the Ministry of Health Labour and Welfare. Idiopathic environmental intolerance IEI so-called multi-chemical sensitivity MCS has become another issue because it is caused by an extreme low concentration of chemical substances. These problems are discussed from the viewpoint of environmental hygiene in the present study. First indoor air quality and its adverse effect on health is reviewed according to the history of sick buildings. Next the factors concerning indoor air quality are indicated and then measures to combat these problems are .

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