Table 1.
Demographics and Unadjusted Primary Outcome Measures for Participants at Baseline, 3 Months, and 12 Monthsa
| Baseline | 3 mo | 12 mo | ||||
|---|---|---|---|---|---|---|
| Measurement | e-Exercise | Usual Physical Therapy | e-Exercise | Usual Physical Therapy | e-Exercise | Usual Physical Therapy |
| No. of respondents | 109 | 99 | 89 | 87 | 66 | 69 |
| Sex | ||||||
| Women | 74 (67.9) | 67 (67.7) | 60 (67.4) | 57 (65.5) | 44 (66.7) | 44 (63.8) |
| Men | 35 (32.1) | 32 (32.3) | 29 (32.6) | 30 (34.5) | 22 (33.3) | 25 (36.2) |
| Age, y, mean (SD) | 63.8 (8.5) | 62.3 (8.9) | 63.6 (8.1) | 62.6 (9.1) | 64.1 (7.7) | 61.7 (8.8) |
| BMI, kg/m2, mean (SD) | 27.8 (4.2) | 27.9 (4.9) | 27.4 (4.4) | 27.7 (4.8) | 26.9 (4.2) | 27.7 (4.9) |
| Location of OA | ||||||
| Knee | 71 (65.1) | 67 (67.6) | 59 (66.3) | 58 (66.7) | 45 (68.2) | 48 (69.6) |
| Hip | 21 (19.3) | 17 (17.2) | 19 (21.3) | 16 (18.4) | 16 (24.2) | 12 (17.4) |
| Both | 17 (15.6) | 15 (15.2) | 11 (12.4) | 13 (14.9) | 5 (7.6) | 9 (13.0) |
| Duration of symptoms | ||||||
| <1 y | 21 (19.3) | 20 (20.2) | 14 (15.7) | 19 (21.8) | 11 (16.7) | 14 (20.3) |
| 1–5 y | 42 (38.5) | 38 (38.4) | 38 (42.7) | 33 (37.9) | 31 (47.0) | 31 (44.9) |
| ≥5 y | 46 (42.2) | 41 (41.4) | 37 (41.6) | 35 (40.2) | 24 (36.4) | 24 (34.8) |
| Education | ||||||
| Low | 27 (24.8) | 12 (12.1) | 23 (25.8) | 9 (10.3) | 17 (25.8) | 8 (11.6) |
| Middle | 41 (37.6) | 51 (51.5) | 35 (39.3) | 46 (52.9) | 26 (39.4) | 34 (49.3) |
| High | 41 (37.6) | 36 (36.4) | 31 (34.8) | 32 (36.8) | 23 (34.8) | 27 (39.1) |
| No. of comorbidities | ||||||
| 0 | 62 (56.9) | 62 (62.6) | 47 (52.8) | 53 (60.9) | 37 (56.1) | 40 (58.0) |
| 1 | 20 (18.3) | 20 (20.2) | 16 (18.0) | 18 (20.7) | 11 (16.7) | 15 (21.7) |
| ≥2 | 27 (24.8) | 17 (17.2) | 26 (29.2) | 16 (18.4) | 18 (27.3) | 14 (20.3) |
| Physical functioning, scores of 0–100, mean (SD) | 61.3 (18.3) | 55.5 (21.4) | 66.7 (18.2) | 62.2 (20.4) | 69.3 (18.7) | 65.3 (22.8) |
| Timed “Up & Go” test, s, mean (SD) | 8.4 (2.1) | 8.6 (5.8) | 7.3 (1.7) | 7.3 (2.4) | ||
| Physical activity, subjective, min/d, mean (SD) | 98.4 (118.4) | 107.0 (103.3) | 120.4 (111.0) | 131.4 (122.2) | 105.6 (97.2) | 125.8 (123.0) |
| Physical activity, objective, min/d, mean (SD) | 25.2 (23.1) | 22.5 (21.8) | 25.5 (17.7) | 25.5 (23.7) | 23.5 (19.9) | 25.3 (22.8) |
aData are reported as number (percentage) of participants unless otherwise indicated. BMI = body mass index, OA = osteoarthritis.