Table 1.
Characteristics of Subjects with Low and High Depression
| Low Depression (n=70) | High Depression (n=196) | p | |
|---|---|---|---|
| Sociodemographic factors | |||
| Age (years) | 56.1 (54.4-57.8) | 56.17 (55.21-57.13) | 0.94 |
| Education (% college/university degree) | 17.1 | 16.8 | 0.95 |
| Marital status (% married) | 68.6 | 62.8 | 0.38 |
| Medical factors | |||
| Index Event (% AMI) | 40.0 | 34.2 | 0.39 |
| Killip Class > 1 (%) | 5.7 | 9.2 | 0.37 |
| Left ventricular dysfunction* (%) | 14.0 | 12.8 | 0.86 |
| Systolic Blood Pressure (mm Hg) | 117.67 (113.56-121.78) | 122.46 (120.10-124.82) | 0.04 |
| Diastolic Blood Pressure (mm Hg) | 75.69 (73.03-78.34) | 76.80 (75.28-78.32) | 0.46 |
| History of Hypertension (%) | 40.0 | 52.0 | 0.08 |
| History of Diabetes (%) | 4.3 | 17.9 | 0.005 |
| Body Mass Index (kg/m2) | 26.26 (25.40 – 27.12) | 27.31 (26.64-27.98) | 0.06 |
| Total cholesterol (mmol/l) | 6.46 (6.15-6.78) | 6.54 (6.37-6.71) | 0.68 |
| LDL cholesterol (mmol/l) | 4.15 (3.84-4.46) | 4.05 (3.86-4.23) | 0.57 |
| HDL cholesterol (mmol/l) | 1.52 (1.41-1.62) | 1.48 (1.42-1.53) | 0.46 |
| Trigycerides (mmol/l) | 1.51 (1.29-1.73) | 1.87 (1.57-2.17) | 0.17 |
| Post Menopause (without HRT, %) | 68.6 | 67.3 | 0.85 |
| Medication use | |||
| β-Blocker (%) | 52.9 | 65.8 | 0.06 |
| ACE inhibitor (%) | 11.4 | 9.7 | 0.68 |
| Aspirin (%) | 68.6 | 68.9 | 0.96 |
| Statin (%) | 5.7 | 8.2 | 0.51 |
| Behavioral factors | |||
| Smoking (% current smokers) | 20.0 | 18.4 | 0.76 |
| Exercise Habits (% sedentary lifestyle) | 17.1 | 26.5 | 0.12 |
| Physical activity during ECG recording | 7.79 (7.25-8.33) | 7.72 (7.43-8.01) | 0.67 |
| Alcohol intake (% moderate consumers) | 64.3 | 71.4 | 0.27 |
HRT: hormone replacement therapy;
*
total n=219, missing data for n=20 in the low depression and n=47 in the high depression group.