Table 1.
Baseline characteristics of retained, ineligible, and declining patients at one-year follow-up (n = 2636)
| Characteristic | Retained participants (n = 1795) | Ineligibles (n = 391) | Declined (n = 450) | Total (n = 2636) | Three-week post-test participants (n = 135) |
|---|---|---|---|---|---|
| Sociodemographic | |||||
| Age (mean ± SD) | 65.4 ± 10.4 | 66.6 ± 13.0 | 61.8 ± 12.2‡‡‡ | 65.0 ± 11.2 | 64.9 ± 10.5 |
| Sex (% female) | 447 (24.9) | 130 (33.3)†† | 130 (28.9) | 707 (26.8) | 45 (33.3)§ |
| Marital status* (% married) | 1380 (77.7) | 239 (62.1)††† | 297 (67.5)††† | 1916 (73.7) | 102 (75.6)§§§ |
| Ethnocultural background* (% minority) | 284 (16.5) | 69 (19.0) | 108 (25.9)†††‡ | 461 (18.4) | 28 (21.5)§§§ |
| Education* (% >high school) | 844 (48.5) | 140 (37.6)††† | 224 (51.6)‡‡‡ | 1208 (47.5) | 77 (57.5)§ |
| Family income* (% >$50,000 CAD) | 722 (49.8) | 101 (34.2)††† | 166 (47.7)‡‡ | 989 (47.3) | 56 (49.1) |
| Work status* (% full or part-time) | 618 (35.8) | 102 (27.5)†† | 193 (46.2)†††‡‡‡ | 913 (36.3) | 43 (33.6) |
| Rurality* (% yes) | 214 (11.9) | 59 (15.2) | 52 (11.7) | 325 (12.4) | 11 (8.1) |
| Clinical | |||||
| Systolic BP mm Hg (mean ± SD) | 127.7 ± 19.0 | 127.2 ± 21.5 | 129.6 ± 22.9 | 128.0 ± 20.0 | 128.6 ± 18.5 |
| Diastolic BP mm Hg (mean ± SD) | 71.1 ± 11.5 | 70.2 ± 12.6 | 72.8 ± 13.9‡ | 71.3 ± 12.1 | 72.6 ± 11.9 |
| Total Cholesterol/HDL ratio (mean ± SD) | 4.37 ± 2.69 | 4.24 ± 1.44 | 4.52 ± 1.79 | 4.38 ± 2.43 | 4.46 ± 1.76 |
| HDL mmol/L (mean ± SD) | 1.06 ± .39 | 1.01 ± .32 | 1.04 ± .40 | 1.05 ± .38 | 1.22 ± .56§§§ |
| LDL mmol/L (mean ± SD) | 2.47 ± 1.04 | 2.36 ± .95 | 2.47 ± 1.12 | 2.46 ± 1.04 | 2.65 ± 1.17 |
| NYHA Class II-IV (%) | 116 (26.7) | 37 (49.3)††† | 27 (22.5)‡‡‡ | 180 (28.6) | 6 (9.5)§§ |
| CCS angina class 2-4 (%) | 534 (83.7) | 85 (87.6) | 124 (82.1) | 743 (83.9) | 58 (80.6) |
| Duke Activity Status Index* (mean ± SD) | 27.9 ± 17.2 | 21.9 ± 17.5††† | 27.5 ± 18.7‡‡‡ | 26.9 ± 17.6 | 34.0 ± 15.6§§§ |
| BMI* (mean ± SD) | 28.2 ± 5.3 | 28.1 ± 6.3 | 29.0 ± 6.0† | 28.4 ± 5.6 | 28.9 ± 4.28 |
| Smoking status* (% current) | 111 (6.4) | 37 (10.1)† | 56 (13.2)††† | 204 (8.1) | 9 (7.0) |
| Current or Previous MI (% yes) | 499 (28.0) | 127 (33.4)† | 145 (32.9)† | 771 (29.6) | 12 (8.9)§§§ |
| Current or Previous PCI (% yes) | 595 (33.4) | 94 (24.8)†† | 170 (38.5)†‡‡‡ | 859 (33.0) | 99 (73.3)§§§ |
| Current or Previous CABG (% yes) | 738 (41.4) | 100 (26.4)††† | 128 (29.0)††† | 966 (37.1) | 9 (6.7)§§§ |
| Current or Previous HF (% yes) | 175 (9.8) | 92 (24.3)††† | 57 (12.9)‡‡‡ | 324 (12.4) | 6 (4.4)§ |
| Current or Previous Arrhythmia (% yes) | 223 (12.5) | 50 (13.2) | 50 (11.3) | 323 (12.4) | 11 (8.1) |
| Current or Previous Valve repair (% yes) | 40 (28.2) | 3 (14.3) | 4 (22.2) | 47 (26.0) | 2 (66.7) |
Note: Percentages take into account missing data for some variables.
BMI, body mass index; BP, blood pressure; CABG, coronary artery bypass graft; CAD, Canadian dollar; CCS, Canadian Cardiovascular Society; HF, heart failure; HDL, high-density lipoprotein; LDL, low-density lipoprotein; MI, Myocardial Infarction; NYHA, New York Heart Association; PCI, percutaneous coronary intervention; SD, standard deviation.
Presents self-report data. All other data elements extracted from patient charts.
Significant difference between participants and ineligibles (denoted only in ineligibles’ column) †P < .05; ††P < .01; †††P < .001.
Significant difference between participants and decliners (denoted only in decliners’ column) †P < .05; ††P < .01; †††P < .001.
Significant difference between ineligibles and decliners (denoted only in decliners’ column) ‡P < .05; ‡‡P < .01; ‡‡‡P < .001.
Significant difference between retained participants at one-year follow-up and three-week post-test (denoted only in three-week post-test participants’ column) §P < .05; §§P < .01; §§§P < .001.