Table 1.
Characteristics of participating, ineligible and declining outpatients at 9 month follow-up
| Characteristic | Retained Participants (n = 1268) |
Ineligibles (n = 93) |
Declined (n = 136) |
Total (N = 1497) |
|---|---|---|---|---|
| Sociodemographic | ||||
| Age (mean ± SD) | 66.3 ± 11.2 | 65.4 ± 13.4 | 63.6 ± 12.2* | 65.9 ± 11.4* |
| Sex (% female) | 358 (28.2) | 29 (31.2) | 43 (31.6) | 430 (28.7) |
| Living status† (%alone) | 289 (23.0) | 29 (31.2) | 35 (26.1) | 353 (23.8) |
| Marital status† (%married/partnered) | 910 (72.3) | 57 (61.3)* | 81(60.0)* | 1048 (70.5)** |
| Ethnocultural background† (% white) | 1094 (86.3) | 72 (77.4)* | 101 (74.3)*** | 1267 (84.6)*** |
| Family income† (% ≥ $50,000CAD) | 560 (48.5) | 28 (31.8)** | 43 (37.4) | 631 (46.5)** |
| Education† (% >high school) | 670 (53.7) | 42 (45.7) | 70 (52.2) | 782 (53.1) |
| Work status† (% fulltime/part-time) | 406 (32.3) | 28 (30.4) | 52 (39.6) | 487 (32.8) |
| Clinical | ||||
| BMI† (mean ± SD) | 27.5 ± 5.4 | 27.7 ± 5.9 | 27.6 ± 5.7 | 27.5 ± 5.4 |
| Systolic BP mm Hg (mean ± SD) | 131.2 ± 19.1 | 135.0 ± 21.1 | 130.3 ± 19.8 | 131.3 ± 19.3 |
| Diastolic BP mm Hg (mean ± SD) | 74.5 ± 10.2 | 77.5 ± 112.9* | 73.3 ± 10.4 | 74.6 ± 10.5* |
| Total Cholesterol/HDL Ratio (mean ± SD) | 4.2 ± 1.2 | 4.1 ± 1.1 | 4.1 ± 1.2 | 4.2 ± 1.2 |
| HDL mmol/L (mean ± SD) | 1.2 ± 0.4 | 1.1 ± 0.3 | 1.2 ± 0.3 | 1.2 ± 0.4 |
| LDL mmol/L (mean ± SD) | 2.3 ± 0.9 | 2.1 ± 1.0 | 2.5 ± 0.9 | 2.3 ± 0.9 |
| NYHA Class II-IV (%) | 82 (48.5) | 5 (41.7) | 6 (31.6) | 93 (6.2) |
| CCS angina class 2-4 (%) | 262 (81.9.7) | 7 (58.3) | 25 (71.4) | 294 (80.1) |
| Multi-vessel Disease (>1 diseased coronary arteries) | 365 (79.5) | 25 (83.3) | 34 (82.9) | 424 (80.0) |
| Duke Activity Status Index† (mean ± SD) | 37.2 ± 15.8 | 28.0 ± 18.9*** | 34.1 ± 16.2* | 36.4 ± 16.2*** |
| Current or Previous MI | 578 (88.7) | 46 (90.2) | 65 (87.8) | 689 (88.7) |
| Current or Previous PCI | 558 (90.3) | 38 (88.4) | 54 (94.7) | 650 (90.5) |
| Current or Previous CABG | 360 (80.7) | 19 (70.4) | 31(81.6) | 410 (80.2.4) |
| Current or Previous HF | 177 (75.0) | 20 (87.0) | 24 (80.0) | 221 (76.5) |
| Current or Previous of Valve repair/replacement | 194 (85.5) | 15 (78.9) | 27 (81.8) | 236 (84.6) |
| Geographic: | ||||
| Distance km (mean ± SD) | 17.4 ± 23.1 | 15.5 ± 20.4 | 14.4 ± 18.8 | 17.0 ± 22.6 |
| No Traffic Drive Time, min (mean ± SD) | 21.9 ± 21.9 | 19.7 ± 19.1 | 19.3 ± 16.6 | 21.5 ± 21.4 |
| Non-rush hour Drive Time, min (mean ± SD) | 27.4 ± 27.5 | 24.6 ± 23.9 | 24.2 ± 20.8 | 26.9 ± 26.7 |
| Rush hour Drive time, min (mean ± SD) | 36.5 ± 36.6 | 32.8 ± 31.8 | 32.2 ± 27.7 | 35.9 ± 35.6 |
† denotes data from patient report. All other data elements extracted from patient charts.
*p < 0.05, **p < 0.01, ***p ≤ 0.001
Note: Percentages take into account missing data for some variables.
SD, standard deviation; BMI, Body Mass Index; BP, blood pressure; HDL, high-density lipoprotein; LDL, low-density lipoprotein CCS, Canadian Cardiovascular Society; NYHA, New York Heart Association. MI, Myocardial Infarction; PCI, Percutaneous Coronary Intervention; CABG, Coronary Artery Bypass Grafting; HF, Heart Failure; Min = minutes; Km = kilometers