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Table 1 Neurodegenerative disease mortality (2001–2014) and baseline characteristics in the full imputed and complete case population

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

  Full (imputed) population (n = 1,134,502) Complete case population (n = 911,648)
Neurodegenerative disease mortality, n (%)
 All neurodegenerative diseases 69,149 (6.10) 52,780 (5.79)
 Alzheimer’s disease 21,039 (1.85) 16,161 (1.77)
 Vascular dementia 5,651 (0.50) 4,204 (0.46)
 Unspecified dementia 31,302 (2.76) 23,570 (2.59)
 Parkinson’s disease 10,054 (0.89) 7,932 (0.87)
Age at baseline, mean ± SD 71.8 ± 7.7 71.5 ± 7.6
Women, n (%) 644,687 (56.8) 514,121 (56.4)
Migrant background, n (%)
 Belgian 1,001,938 (88.3) 813,136 (89.2)
 Other HIC 94,811 (8.4) 70,497 (7.7)
 LMIC 37,753 (3.3) 28,015 (3.1)
Educational level, n (%)
 Tertiary 143,927 (12.7) 118,543 (13.0)
 Higher Secondary 182,750 (16.1) 150,398 (16.5)
 Lower Secondary 299,778 (26.4) 242,632 (26.6)
 Low/Primary 508,047 (44.8) 400,075 (43.9)
Housing tenure, n (%)
 Owner 859,624 (75.8) 700,281 (76.8)
 Tenant 274,878 (24.2) 211,367 (23.2)
Household living arrangement, n (%)
 Cohabiting 715,546 (63.1) 591,646 (64.9)
 Single 389,895 (34.4) 298,746 (32.8)
 Other 29,061 (2.6) 21,256 (2.3)
Median net taxable income (€), median (IQR) 19,094 (4620) 19,206 (4530)
Non-movers (1991–2001), n (%) 1,003,052 (88.4) 810,682 (88.9)
Urban area, n (%)
 Antwerp 248,391 (21.9) 207,726 (22.8)
 Ghent 120,809 (10.6) 101,904 (11.2)
 Brussels 505,297 (44.5) 403,091 (44.2)
 Charleroi 104,774 (9.2) 78,782 (8.6)
 Liège 155,231 (13.7) 120,145 (13.2)
Residential surrounding greenness (NDVI, 500-m), median (IQR) 0.61 (0.22) 0.61 (0.22)
Ambient air pollution
PM2.5 (μg/m3), median (IQR) 19.05 (2.09) 19.07 (2.09)
NO2 (μg/m3), median (IQR) 26.56 (12.22) 26.77 (11.98)
  1. Note: SD Standard Deviation, IQR interquartile range, euro currency, NDVI Normalized Difference Vegetation Index, PM2.5 Particulate Matter with an aerodynamic diameter < 2.5 μm, NO2 Nitrogen dioxide
  2. Five largest Belgian urban areas, 2001–2014