Table 2 Greenspace exposure groups and dementia subtypes presented as n and percent or mean and standard deviation
Greenspace Exposure Group | |||||
|---|---|---|---|---|---|
Low | Med | High | Total | p* | |
n | 1017 | 1014 | 1016 | 3047 | |
Dementia (%) | 205 (20.2) | 169 (16.7) | 144 (14.2) | 518 (17.0) | < 0.01 |
AD only (%) | 138 (13.6) | 110 (10.8) | 102 (10.0) | 350 (11.5) | 0.03 |
Mixed/VaD (%) | 58 (5.7) | 49 (4.8) | 39 (3.8) | 146 (4.8) | 0.14 |
Mean (SD) | Greenspace Metrics | ||||
Distance (m) | 1789 (2699) | 907 (750) | 780 (522) | 1159 (1706) | < 0.01 |
Mean percent Overlap | 0.94 (1.47) | 1.49 (2.26) | 6.69 (11.05) | 3.04 (7.06) | < 0.01 |
NDVI | 0.46 (0.11) | 0.57 (0.08) | 0.68 (0.09) | 0.57 (0.13) | < 0.01 |
Composite | −0.26 (0.71) | 0.12 (0.31) | 0.38 (0.53) | 0.00 (0.60) | < 0.01 |