| Variable | n | Mean HOA | Mean non-HOA | t ratio | P |
| Household income | 39 | $61,878 | $52,645 | 1.05 | 0.30 |
| Neighborhood age (yr) | 39 | 1984 | 1977 | 1.92 | 0.06 |
| Distance to wildlands (m) | 39 | 3246.6 | 4259.4 | -0.96 | 0.34 |
| Impervious surface (%) | 39 | 34 | 32 | 0.40 | 0.69 |
| Desert trees | 39 | 9.39 | 6.25 | 0.86 | 0.39 |