TABLE 2.
Risk Factors for Higher Category of Depression Identified by Ordinal Logistic Regression Analysis—PHQ9
| 95% Confidence Interval | ||||
| Parameter | Odds Ratio | Lower | Upper | P |
| Position—ancillary | 1.045 | 0.615 | 1.775 | 0.870 |
| Position—AHP | 0.698 | 0.478 | 1.020 | 0.063 |
| Position—nurse | 0.939 | 0.627 | 1.406 | 0.759 |
| Position—doctor | 0.284 | 0.159 | 0.507 | <0.001 |
| Reference category—position admin/management | 1 | – | – | – |
| Living status—alone | 1.574 | 1.201 | 2.063 | 0.001 |
| Reference category—living status—partner | 1 | – | – | – |
| Children at home—yes | 0.786 | 0.625 | 0.990 | 0.041 |
| Reference category—children at home—no | 1 | – | – | – |
| Disabled—yes | 2.100 | 1.323 | 3.335 | 0.002 |
| Reference category—disabled—no | 1 | – | – | – |
| Pre-existing depression—yes | 2.911 | 2.257 | 3.754 | <0.001 |
| Reference category—pre-existing depression—no | 1 | – | – | – |
| Patient facing—yes | 1.595 | 1.149 | 2.215 | 0.005 |
| Years in NHS—1-yr increase | 0.987 | 0.974 | 0.999 | 0.044 |
The common odds were estimated in an ordinal logistic–regression model and indicate the increase in odds of moving from a lower category of PHQ-9 to a higher one relative to the reference category. N = 1077 cases used in estimation. NHS, National Health Service.