Primary outcome | n | Week 1, mean (SD) | n | Week 8, mean (SD) | Mean difference (SD) | P-value |
Step count | ||||||
Control group | 41 | 5138 (3873) | 35 | 4859 (3474) | −386 (3281) | 0.025a |
Intervention group | 37 | 4365 (2732) | 31 | 5855 (4264) | 1631 (3842) | |
Secondary outcomes | n | Baseline, mean (SD) | n | Follow-up, mean (SD) | Mean difference (SD) | P-value |
Systolic blood pressure, mmHg | ||||||
Control group | 45 | 124.3 (13.6) | 40 | 128.7 (14.7) | 3.8 (12.4) | 0.117 |
Intervention group | 45 | 121.8 (16.1) | 37 | 120.6 (17.2) | −0.6 (11.8) | |
Diastolic blood pressure, mmHg | ||||||
Control group | 45 | 81.3 (7.3) | 40 | 82.4 (9.5) | 0.90 (8.0) | 0.376 |
Intervention group | 45 | 81.4 (9.1) | 37 | 80.0 (10.3) | −0.88 (9.5) | |
Resting heart rat, beats per minute | ||||||
Control group | 45 | 71.4 (8.4) | 38 | 68.1 (6.5) | −3.0 (8.0) | 0.213 |
Intervention group | 45 | 73.8 (9.9) | 36 | 72.1 (10.1) | −0.4 (10.0) | |
Weight, kg | ||||||
Control group | 45 | 86.7 (18.7) | 39 | 85.2(18.7) | −0.16 (2.3) | 0.738 |
Intervention group | 45 | 78.6 (22.1) | 37 | 76.4(21.6) | −0.33 (1.9) | |
BMI | ||||||
Control group | 45 | 28.9 (4.9) | 39 | 28.7 (4.8) | −0.06 (0.8) | 0.738 |
Intervention group | 45 | 27.5 (6.1) | 37 | 26.7 (5.6) | −0.12 (0.7) | |
HADS | ||||||
Control group | 44 | 4.0 (3.2) | 39 | 2.3 (2.2) | −1.7 (2.9) | 0.917 |
Intervention group | 45 | 3.5 (2.5) | 37 | 2.0 (1.9) | −1.6 (2.3) | |
EQ-VAS | ||||||
Control group | 43 | 73.2 (18.4) | 38 | 81.8 (11.7) | 7.9 (12.1) | 0.791 |
Intervention group | 42 | 74.1 (16.3) | 37 | 79.6 (17.7) | 7.0 (14.9) | |
EQ-5D | ||||||
Control group | 45 | 0.83 (0.10) | 37 | 0.88 (0.07) | 0.04 (0.10) | 0.148 |
Intervention group | 45 | 0.87 (0.07) | 36 | 0.88 (0.07) | 0.01 (0.05) |
↵a The adjusted P-value for week 1 to week 8 inclusive was P = 0.009. BMI = body mass index. EQ-VAS = EuroQol visual analogue scale quality-of-life scoring tool. HADS = Hospital Anxiety and Depression Scale. SD = standard deviation.