Table 1.
Demographic, clinical and depression characteristics of the sample at baseline (N = 310)
| Characteristic | Mean ± SD or N (%) |
|---|---|
| Age (years) | 67.76 ± 9.17 |
| Female | 46 (14.8) |
| BMI (kg/m2) | 28.64 ± 4.23 |
| Married/cohabiting | 227 (73.2) |
| Ethnicity — White British/Other White | 274 (88.4) |
| Yearly household income | |
| < 10,000 GBP | 60 (19.4) |
| 10,000–20,000 GBP | 95 (30.6) |
| 20,000–30,000 GBP | 62 (20.0) |
| 30,000–40,000 GBP | 44 (14.2) |
| > 40,000 GBP | 49 (15.8) |
| Smoker | 25 (8.1) |
| Statin medication | 241 (86.7)a |
| Antidepressant medication | 15 (4.8) |
| Anxiety (HADS subscale) | 6.01 ± 4.41 |
| Co-morbidities | |
| Diabetes | 77 (24.8) |
| Hypertension | 247 (79.7) |
| Pulmonary disease | 25 (8.1) |
| Neurological disorder | 28 (9.0) |
| Extracardiac arteriopathy | 25 (8.1) |
| Chronic illness burden | 0.36 ± 0.64 |
| Clinical factors | |
| Logistic EuroSCORE (%) | 4.20 ± 2.95 |
| CABG in isolation | 240 (77.4) |
| Number of grafts | 3.01 ± 1.07 |
| On-pump | 239 (77.1) |
| Length of post-operative hospital stay | 7.15 ± 5.16 |
| Depression symptoms | |
| Total BDI score | 8.68 ± 6.61 |
| Cognitive symptom score | 3.48 ± 4.19 |
| Somatic symptom score | 5.22 ± 3.20 |
| Depression severity | |
| None (0–10) | 216 (69.7) |
| Mild (11–20) | 79 (25.5) |
| Moderate to severe (21–63) | 15 (4.8) |
a
N = 278.