Journal of Official Statistics, Vol.5, No.4, 1989. pp. 391408

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Montana Air Pollution Study: Children's Health Effects

The 1977 Montana legislature funded an extensive Montana Air Pollution Study (MAPS). One purpose of this study was to determine whether air pollution in Montana's urban centers was associated with adverse health effects. A health effects study was conducted on third, fourth, and fifth grade school children in five Montana cities. It included the following two components: (i) comparison of children's lung function as air pollution levels change within one community and (ii) comparison of lung function among children living in communities with different ambient air quality levels. In the acute study (i), each child served as his or her own control and analysis of covariance techniques were used. In the chronic study (ii), linear regression and principal components techniques were used and appropriate adjustments were made for factors such as altitude of the cities. Both studies (i) and (ii) detected statistical differences significant enough to warrant associating poorer lung function with increased levels of ambient air pollution.

Air pollution; FVC, FEV1, FEF25–75, FEV.75, PEFR; Montana Air Pollution Study; pulmonary function tests; respirable particulates; total suspended particulates.

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