Table 2.
Depression characteristics by the presence of physical pain
| Depressed without pain (N=1523) | Depressed with pain (N=352) | ||||
|---|---|---|---|---|---|
| n | % | n | % | p-value | |
| Diagnosing physician (n=1,481; 338) | 0.027 | ||||
| General internist | 156 | 10.5% | 53 | 15.7% | |
| Psychiatrist | 1250 | 84.4% | 268 | 79.3% | |
| Other | 75 | 5.1% | 17 | 5.0% | |
| Currently use prescription | 1229 | 80.7% | 274 | 77.8% | 0.226 |
| Depression severity (self-rated) | 0.005 | ||||
| Mild | 614 | 40.3% | 117 | 33.2% | |
| Moderate | 697 | 45.8% | 165 | 46.9% | |
| Severe | 212 | 13.9% | 70 | 19.9% | |
| Depression severity categories (PHQ-9; n=824; 185) | <0.001 | ||||
| None | 162 | 19.7% | 13 | 7.0% | |
| Mild | 239 | 29.0% | 47 | 25.4% | |
| Moderate | 149 | 18.1% | 40 | 21.6% | |
| Moderately severe | 140 | 17.0% | 41 | 22.2% | |
| Severe | 134 | 16.3% | 44 | 23.8% | |
| Problems made it hard to work/function (PHQ-9; n=769; 182) | 0.012 | ||||
| Not difficult at all | 126 | 16.4% | 16 | 8.8% | |
| Somewhat difficult | 426 | 55.4% | 101 | 55.5% | |
| Very difficult | 139 | 18.1% | 35 | 19.2% | |
| Extremely difficult | 78 | 10.1% | 30 | 16.5% | |
| Mean | SD | Mean | SD | p-value | |
| Length of depression diagnosis (years) (n=1481; 338) | 6.0 | 5.7 | 7.1 | 7.1 | 0.010* |
| PHQ-9 total score (n=824; 185) | 11.3 | 7.4 | 14.1 | 7.1 | <0.001 |
Note: p-values for comparison of frequencies are from omnibus Pearson chi-square test; p-values for comparison of means are from t-test; asterisk indicates p-value adjusted for violation of homogeneity of variance assumption.