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Table 2 Associations between surrounding greenness and neurodegenerative disease mortality outcomes after adjustment for air pollution concentrations

From: Long-term exposure to residential greenness and neurodegenerative disease mortality among older adults: a 13-year follow-up cohort study

  Neurodegene-rative disease mortality Alzheimer’s disease mortality Vascular dementia mortality Unspecified dementia mortality Parkinson’s disease mortality
HR (95%CI) HR (95%CI) HR (95%CI) HR (95%CI) HR (95%CI)
Main model (M3) 0.959 (0.946, 0.973) 0.952 (0.928, 0.977) 0.949 (0.903, 0.998) 0.948 (0.928, 0.968) 1.007 (0.970, 1.046)
Main model (M3) + PM2.5 (μg/m3) 0.966 (0.948, 0.985) 1.004 (0.969, 1.040) 1.014 (0.948, 1.084) 0.918 (0.892, 0.944) 0.992 (0.943, 1.044)
Main model (M3) + NO2 (μg/m3) 0.972 (0.953, 0.991) 1.023 (0.987, 1.060) 0.986 (0.922, 1.055) 0.918 (0.892, 0.945) 1.014 (0.963, 1.068)
  1. Abbreviations: HR Hazard Ratio, 95%CI 95% confidence intervals, PM2.5 particulate matter with an aerodynamic diameter < 2.5 μm, NO2 nitrogen dioxide, μg/m3 micrograms per cubic metre
  2. Five largest Belgian urban areas, 2001–2014
  3. Cox regression models using age as the underlying time scale for the follow-up period October 1, 2001 - December 31, 2014. Main model (M3) stratified by gender and 5-year age groups, adjusted by migrant background, household living arrangement, educational level, housing tenure, median net taxable income at the level of the statistical sector, and including a frailty term for the urban areas