Table 1.
Description of Sample (n = 393).
| Variables | % | Mean | Std. Dev. | Min | Max |
|---|---|---|---|---|---|
| Outcome | |||||
| Depression (counts) a | 6.41 | 5.23 | 1 | 27 | |
| Depression (log) | 1.51 | 0.88 | 0 | 3 | |
| Depression categorical | |||||
| Minimal depression | 45.50 | ||||
| Mild to moderate depression | 40.65 | ||||
| Moderate severe to severe depression | 13.86 | ||||
| Exposures | |||||
| NDVI b | |||||
| at 250 m | 0.11 | 0.03 | 0.04 | 0.28 | |
| at 500 m | 0.11 | 0.03 | 0.05 | 0.25 | |
| at 1000 m | 0.11 | 0.03 | 0.06 | 0.26 | |
| Grayness | |||||
| at 250 m | 0.40 | 0.17 | 0.00 | 0.82 | |
| at 500 m | 0.37 | 0.17 | 0.00 | 0.74 | |
| at 1000 m | 0.36 | 0.17 | 0.00 | 0.90 | |
| Brownness | |||||
| at 250 m | 0.50 | 0.17 | 0.14 | 0.94 | |
| at 500 m | 0.52 | 0.17 | 0.18 | 0.92 | |
| at 1000 m | 0.53 | 0.17 | 0.03 | 0.91 | |
| Covariates | |||||
| Adverse Childhood Experiences | 2.02 | 2.01 | 0 | 10 | |
| Social support index | 27.53 | 4.89 | 7 | 32 | |
| Peer alienation index | 15.12 | 4.36 | 7 | 35 | |
| Healthy-food index | 3.89 | 0.76 | 1 | 6 | |
| Physical-index activity | 1.77 | 1.05 | 0 | 7 | |
| Body mass index | 25.72 | 5.37 | 14.10 | 47.30 | |
| Income | 6.22 | 2.34 | 1 | 10 | |
| Age | 25.15 | 6.26 | 18 | 55 | |
| Sex (% women) | 78.95 |
a Skewness and Kurtosis values for depression were 1.43 and 5.20, respectively. The joint test for these measures was X2 82.77 (p < 0.000); b NDVI indicates the normalized difference vegetation index.