Table 1.
Baseline Characteristics of the Study Sample
| Characteristics | Overall (N=29) | PLUS Group (n=13) | LITE Group (n=16) |
|---|---|---|---|
| Age, mean (SD), y | 67.9 (10.3) | 65.2 (10.5) | 70.1 (9.9) |
| Female sex | 7 (26.9) | 3 (25.0) | 4 (28.6) |
| Race | |||
| American Indian or Alaskan Native | 1 (3.4) | 1 (7.7) | 0 |
| Asian or Pacific Islander | 0 | 0 | 0 |
| Black | 1 (3.4) | 1 (7.7) | 0 |
| Hispanic/Latino | 0 | 0 | 0 |
| White (not Hispanic) | 27 (93.1) | 11 (84.6) | 16 (100) |
| Education | |||
| High school or less | 8 (27.6) | 5 (38.5) | 3 (18.8) |
| College or some college | 15 (51.7) | 7 (53.8) | 8 (50.0) |
| Postgraduate | 6 (20.7) | 1 (7.7) | 5 (31.3) |
| Current smoker | 8 (27.6) | 3 (23.1) | 5 (31.2) |
| Diabetes mellitus | 14 (48.3) | 6 (46.2) | 8 (50.0) |
| High cholesterol | 22 (75.9) | 8 (61.5) | 14 (87.5) |
| BMI, mean (SD), kg/m2 | 30.4 (5.8) | 28.3 (3.8) | 32.2 (6.8) |
| Normal (<25 kg/m2) | 4 (20.0) | 3 (33.3) | 1 (9.1) |
| Overweight (25–<30 kg/m2) | 7 (35.0) | 2 (22.2) | 5 (45.5) |
| Obese (≥30 kg/m2) | 9 (45.0) | 4 (44.4) | 5 (45.5) |
| Hypertension | 23 (79.3) | 9 (69.2) | 14 (87.5) |
| Angina | 23 (79.3) | 11 (84.6) | 12 (75.0) |
| Myocardial infarction | 17 (58.6) | 9 (69.2) | 8 (50.0) |
| Heart failure | 7 (24.1) | 2 (15.4) | 5 (31.3) |
| CABG | 9 (31.0) | 7 (53.8) | 2 (12.5) |
| PCI | 24 (82.8) | 8 (61.5) | 16 (100) |
| Implantable cardioverter defibrillator | 3 (10.3) | 1 (7.7) | 2 (12.5) |
| Cerebrovascular disease | 3 (10.3) | 2 (15.4) | 1 (6.3) |
| Peripheral artery disease | 2 (6.9) | 1 (7.7) | 1 (6.3) |
| Cancer | 4 (13.8) | 1 (7.7) | 3 (18.8) |
| COPD | 2 (6.9) | 0 | 2 (12.5) |
| Depression, mean (SD) HADS scores | 4.5 (3.5) | 4.6 (2.3) | 4.5 (4.3) |
| Medications | |||
| Antiplatelets | 27 (93.1) | 12 (92.3) | 15 (93.8) |
| Anticoagulants | 3 (10.3) | 1 (7.7) | 2 (12.5) |
| β blockers | 26 (89.7) | 12 (92.3) | 14 (87.5) |
| ACE inhibitors | 11 (37.9) | 6 (46.2) | 5 (31.3) |
| Statins | 24 (82.8) | 11 (84.6) | 13 (81.3) |
| Intervention expectation scores, mean (SD) | 12.6 (2.2) | 12.1 (2.3) | 12.9 (2.2) |
| Reasons for not attending CRa | |||
| Does not like high‐intensity exercise | 18 (62.1) | 7 (53.9) | 11 (68.8) |
| CR too dangerous | 17 (58.6) | 6 (46.2) | 11 (68.7) |
| CR schedule not convenient | 12 (41.3) | 5 (38.5) | 7 (43.8) |
| No insurance coverage | 8 (27.5) | 4 (30.8) | 4 (25.0) |
| No transportation | 7 (24.1) | 2 (15.4) | 5 (31.3) |
| Professional/personal commitments | 6 (20.7) | 1 (7.7) | 5 (31.2) |
Values are n (%) unless otherwise indicated. ACE indicates angiotensin‐converting enzyme; BMI, body mass index; CABG, coronary artery bypass graft; COPD, chronic obstructive pulmonary disease; CR, cardiac rehabilitation; HADS, Hospital Anxiety and Depression Scale; LITE, 2 sessions/week for 12 weeks; PCI, percutaneous coronary intervention; and PLUS, 3 sessions/week for 12 weeks, then maintenance classes for 12 additional weeks.
a
Those responding “agree” to “strongly agree.”