The role of perceived air pollution and health risk perception in health symptoms and disease: a population-based study combined with modelled levels of PM10

• DOI: 10.1007/s00420-018-1303-x
• Publication Date: 2018-03-31T02:24:07Z
• Authors: Kati Orru; Steven Nordin; Hedi Harzia; Hans Orru
• Keywords: Adult; Estonia; Male; Risk; Rural Population; Adolescent; Urban Population; Epidemiology; Health Status; 01 natural sciences; Arbetsmedicin och miljömedicin; Young Adult; Questionnaire survey; Air pollution modelling; Air Pollution; Surveys and Questionnaires; 11. Sustainability; Humans; Path analysis; Cities; Particle Size; Aged; 0105 earth and related environmental sciences; Perceived pollution; Occupational Health and Environmental Health; Environmental Exposure; Middle Aged; 3. Good health; 13. Climate action; Original Article; Female; Particulate Matter; Perception

Adverse health impact of air pollution on health may not only be associated with the level of exposure, but rather mediated by perception of the pollution and by top-down processing (e.g. beliefs of the exposure being hazardous), especially in areas with relatively low levels of pollutants. The aim of this study was to test a model that describes interrelations between air pollution (particles < 10 [Formula: see text]m, PM10), perceived pollution, health risk perception, health symptoms and diseases.A population-based questionnaire study was conducted among 1000 Estonian residents (sample was stratified by age, sex, and geographical location) about health risk perception and coping. The PM10 levels were modelled in 1 × 1 km grids using a Eulerian air quality dispersion model. Respondents were ascribed their annual mean PM10 exposure according to their home address. Path analysis was performed to test the validity of the model.The data refute the model proposing that exposure level significantly influences symptoms and disease. Instead, the perceived exposure influences symptoms and the effect of perceived exposure on disease is mediated by health risk perception. This relationship is more pronounced in large cities compared to smaller towns or rural areas.Perceived pollution and health risk perception, in particular in large cities, play important roles in understanding and predicting environmentally induced symptoms and diseases at relatively low levels of air pollution.