Sample characteristics
| n | Full sample | CPA database | CPA Longueuil | Cond. Phys. Boucherville | P value | |
| Sex, n (%) | 462 | 0.066 | ||||
| Male | 44 (9.5%) | 31 (8.2%) | 5 (12.8%) | 8 (18.6%) | ||
| Female | 418 (90.5%) | 349 (91.8%) | 34 (87.2%) | 35 (81.4%) | ||
| Age, years (mean, SD) | 459 | 48.6 (13.6) | 48.7 (13.2) | 53.4 (14.9) | 42.3 (13.9) | 0.001 |
| Household income, n (%) | 434 | 0.226 | ||||
| Up to $34 999 | 27 (6.2%) | 23 (6.4%) | 3 (8.1%) | 1 (2.9%) | ||
| $35 000–$74 999 | 125 (28.8%) | 110 (30.3%) | 10 (27.0%) | 5 (14.3%) | ||
| $75 000 and greater | 282 (65.0%) | 229 (63.3%) | 24 (64.9%) | 29 (82.8%) | ||
| Level of education, n (%) | 463 | 0.361 | ||||
| High school | 42 (9.1%) | 34 (9.0%) | 3 (7.5%) | 5 (11.6%) | ||
| Some college | 120 (25.9%) | 98 (25.8%) | 7 (17.5%) | 15 (34.9%) | ||
| University | 301 (65.0%) | 248 (65.2%) | 30 (75.0%) | 23 (53.5%) | ||
| Marital status, n (%) | 462 | 0.096 | ||||
| Single | 36 (7.8%) | 26 (6.9%) | 2 (5.0%) | 8 (18.6%) | ||
| Married | 384 (83.1%) | 319 (84.1%) | 32 (80.0%) | 33 (76.7%) | ||
| Separated/divorced | 38 (8.2%) | 31 (8.2%) | 5 (12.5%) | 2 (4.7%) | ||
| Widowed | 4 (0.9%) | 3 (0.8%) | 1 (2.5%) | 0 | ||
| BMI (kg/m2, mean) | 461 | 24.8 (4.0) | 24.9 (4.0) | 24.2 (3.4) | 24.1 (4.5) | 0.265 |
| Physical condition, n (%) | 462 | 0.585 | ||||
| Very good | 95 (20.6%) | 81 (21.4%) | 7 (17.5%) | 7 (16.3%) | ||
| Good | 260 (56.3%) | 211 (55.7%) | 26 (65.0%) | 23 (53.5%) | ||
| Average | 86 (18.6%) | 71 (18.7%) | 5 (12.5%) | 10 (23.3%) | ||
| Fair | 12 (2.6%) | 10 (2.6%) | 0 | 2 (4.7%) | ||
| Poor | 9 (1.9%) | 6 (1.6%) | 2 (5.0%) | 1 (2.3%) | ||
| First time in this course? n (%) | 460 | 0.305 | ||||
| Yes | 73 (15.9%) | 56 (14.8%) | 7 (17.5%) | 10 (23.8%) | ||
| No | 387 (84.1%) | 322 (85.2%) | 33 (82.5%) | 32 (76.2%) | ||
| First time w/this instructor? n (%) | 463 | 0.029 | ||||
| Yes | 154 (33.3%) | 124 (32.6%) | 20 (50.0%) | 10 (23.3%) | ||
| No | 309 (66.7%) | 256 (67.4%) | 20 (50.0%) | 33 (76.7%) | ||
| Participation no/week (mean, SD) | ||||||
| Weeks 2–4 | 442 | 1.76 (0.73) | 1.79 (0.74) | 1.74 (0.68) | 1.52 (0.62) | 0.078 |
| Weeks 5–10 | 406 | 2.49 (1.74) | 2.66 (1.86) | 1.92 (0.82) | 1.63 (0.59) | 0.001 |
| Re-enrolment, n (%) | 463 | 0.061 | ||||
| Spring 2016 only | 97 (21.0%) | 86 (22.6%) | 6 (15.0%) | 5 (11.6%) | ||
| Autumn 2016 only | 38 (8.2%) | 27 (15.0%) | 3 (7.5%) | 8 (18.6%) | ||
| Both Spring and Autumn | 252 (54.4%) | 201 (52.9%) | 27 (67.5%) | 24 (55.8%) |
BMI, body mass index; CPA, Cardio Plein Air.