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