Table 1.
Clinical and Demographic Characteristics of Patients With Major Depressive Disorder (N = 1150)
| Characteristic | Total N | N | % |
| Gender | |||
| Proportion of females | 1138 | 856 | 75.2 |
| Proportion of males | 1138 | 282 | 24.8 |
| Current use of medications | |||
| Taking at least 1 medication | 1150 | 908 | 79.0 |
| Analgesics/anti-inflammatory | 1150 | 616 | 53.6 |
| Antipsychotics | 1150 | 23 | 2.0 |
| Benzodiazepines | 1149 | 518 | 45.1 |
| Antidepressants | 1150 | 356 | 31.0 |
| Concomitant prevalent diagnoses | |||
| Osteoarthritis | 1150 | 488 | 42.4 |
| Hypertension or cardiac disease | 1150 | 366 | 31.8 |
| Dyslipidemia | 1150 | 267 | 23.2 |
| Diabetes | 1150 | 105 | 9.1 |
| Allergy | 1150 | 93 | 8.1 |
| Gastric or duodenal ulcer | 1150 | 85 | 7.4 |
| Chronic pulmonary diseases | 1150 | 71 | 6.2 |
| Cancer | 1150 | 31 | 2.7 |
| Severity of depression (SDS) | |||
| None/unimportant | 1049 | 42 | 4.0 |
| Mild | 1049 | 185 | 17.6 |
| Moderate/marked | 1049 | 355 | 33.8 |
| Severe/extreme | 1049 | 467 | 44.5 |
| Somatic symptoms not fully explained by an organic origin (at least 1 of these symptoms present) | 1026 | 954 | 93.0 |
| Any pain (regardless of etiology) | 1131 | 967 | 85.5 |
| Any cardiopulmonary (regardless of etiology) | 1131 | 912 | 80.6 |
| Any gastrointestinal (regardless of etiology) | 1131 | 785 | 69.4 |
| Any pseudoneurologic (conversion) (regardless of etiology) | 1131 | 726 | 64.2 |
| Hospitalized within the last 12 months | 1145 | 181 | 15.8 |
| Consulted with a physician within the prior 2 weeks | 1148 | 579 | 50.4 |
| Total N | Mean | SD | |
| Age, y | 1112 | 55.0 | 15.4 |
| No. of somatic symptoms regardless of their etiology | 1132 | 8.1 | 4.7 |
| Health-related quality of life (SF-12) | |||
| Physical component score | 1108 | 39.4 | 10.5 |
| Mental component score | 1108 | 29.0 | 9.3 |
Abbreviations: SDS = Zung Self-Rating Depression Scale, SF-12 = Medical Outcomes Study 12-item Short-Form Health Survey