Table 3.
Neighborhood Indicators and Multisystem Physiological Risk Within-Pair and Cross-Twin, Cross-Trait Correlations: Midlife in the United States Study twin sample
| Twin correlations | |||
|---|---|---|---|
| Neighborhood income | Neighborhood safety | Physiological risk | |
| MZM | .48 | −.02 | .54 |
| DZM | .24 | .08 | .60 |
| MZF | .51 | .20 | .54 |
| DZF | .53 | .44 | .08 |
| DZOS | .19 | .10 | .58 |
| Cross-twin, cross-trait correlations | |||
| Neighborhood income–physiological risk | Neighborhood safety–physiological risk | ||
| MZM | −.04 | −.29 | |
| DZM | .36 | .09 | |
| MZF | .03 | −.13 | |
| DZF | −.23 | −.02 | |
| DZOS | −.16 | .06 |
Note: DZF = dizygotic female; DZM = dizygotic male; DZOS = dizygotic opposite sex pair; MZF = monozygotic female; MZM = monozygotic male.