Table 2.
Results of Random Coefficient [RC] regression as implemented in SAS PROC MIXED.
| Variable | F | p-value |
|---|---|---|
| Altitude | 4.58 | 0.03 |
| Gender | 3.31 | 0.07 |
| Race | 0.41 | 0.80 |
| Ethnicity | 0.08 | 0.92 |
| Population density | 0.09 | 0.76 |
| Gun ownership | 0.37 | 0.54 |
| Mental Health Diagnosis | Least Squares Means of Altitude [Meters] |
|---|---|
| Bipolar Disorder | 1205.01 |
| Major Depressive Disorder | 1115.70 |
| Anxiety | 1180.70 |
| Schizophrenia | 1057.30 |
Note: A random effect of county was included to account for the fact that individuals within the 806 included counties share the same values on the group level variables [altitude, population density, gun ownership].