Table 1.
Population characteristics (n=1645) by Green Space (median [IQR] or n(%)).
| NDVI range | Quartile 1 (n=409) (0.119 -0.533) |
Quartile 2 (n=413) (0.534 -0.647) |
Quartile 3 (n=410) (0.648 -0.753) |
Quartile 4 (n=413) (0.754-0.893) |
|---|---|---|---|---|
| Age (years) | 73 [21] | 75 [22] | 76 [19] | 77 [20] |
| Follow up (years) | 4.8 [6.5] | 4.8 [6. 9] | 5.0 [6.2] | 4.9 [6.0] |
| Male | 190 (46%) | 171 (41%) | 192 (47%) | 191 (46%) |
| Black | 70 (17%) | 82 (20%) | 33 (8%) | 7 (2%) |
| Hispanic | 23 (6%) | 17 (4%) | 10 (2%) | 6 (1%) |
| Current smokers | 68 (17%) | 60 (15%) | 53 (13%) | 44 (11%) |
| Former smokers | 104 (25%) | 87 (21%) | 123 (30%) | 123 (30%) |
| Percent without high school diploma in census block group | 20 [22] | 15 [15] | 8 [10] | 6 [7] |
| Median income in census block group | 40,598 [23,062] | 45,114 [24,761] | 62,639 [29,394] | 77,431 [37,490] |
| Stroke History | 122 (30%) | 118 (29%) | 115 (28%) | 109 (26%) |
| Past CAD | 108 (26%) | 101 (25%) | 99 (24%) | 107 (26%) |
| AF History | 98 (24%) | 86 (21%) | 109 (27%) | 121 (29%) |
| HF History | 46 (11%) | 63 (15%) | 55 (13%) | 50 (12%) |
| Diabetes | 129 (32%) | 143 (35%) | 109 (27%) | 92 (22%) |
| Dyslipidemia | 183 (45%) | 157 (38%) | 181 (44%) | 163 (39%) |
| Hypertension | 302 (74%) | 301 (73%) | 292 (71%) | 279 (67%) |
CAD=coronary artery disease; AF=Atrial Fibrillation; HF=Heart Failure