| Model | Unstandardized Coefficients | Standardized Coefficients | P value | ||
|---|---|---|---|---|---|
| B | Std. Error | Beta | t | ||
| (Constant) | 175.422 | 13.188 | 13.302 | < 0.001 | |
| High school diploma and highera | 9.721 | 2.436 | 0.320 | 3.992 | < 0.001 |
| Age | −0.662 | 0.232 | −0.227 | −2.850 | 0.005 |
| Housekeeperb | −4.243 | 2.124 | −0.150 | −1.998 | 0.048 |