Table 3

Secondary outcome measures possible randomised controlled trial by assessment time and study group

MeasuresStudy groupBaseline Mean (SD)
Median (IQR)
6 weeks
Mean (SD)
Median (IQR)
12 weeks
Mean (SD)
Median (IQR)
24 weeks
Mean (SD)
Median (IQR)
Global fatigue score23Control36 (21.6)
31 (28.0)
35 (22.0)
43 (37.0)
32 (21.9)
26 (40.0)
28 (24.5)
18 (47.5)
Intervention32 (22.3)
33 (43.0)
18 (15.9)
15 (24.0)
23 (17.3)
25 (33.0)
29 (19.1)
31 (24.7)
Cohen's d effect size (95% CI)−0.18 (−0.78 to 0.43)−0.89 (−1.61 to −0.11)−0.45 (−1.20 to 0.32)0.04 (−0.78 to 0.87)
Exercise self-efficacy24Control28 (6.0)
29 (9.0)
29 (5.5)
29 (6.0)
29 (4.6)
30 (6.0)
29 (5.0)
28 (4.5)
Intervention30 (6.0)
31 (8.0)
33 (5.2)
33 (10.0)
33 (5.4)
36 (10.0)
34 (4.6)
34 (8.25)
Cohen's d effect size (95% CI)0.33 (−0.28 to 0.94)0.75 (−0.01 to 1.71)0.80 (−0.01 to 1.56)1.01 (0.10 to 1.84)
Stress total score25Control9 (9.0)
6 (12.0)
8 (9.1)
5 (9.5)
4 (4.7)
4 (8.0)
9 (9.5)
8 (0–26)
Intervention8 (9.7)
2 (18.0)
4 (5.1)
4 (6.0)
5 (5.9)
4 (10.0)
3 (3.6)
2 (6.0)
Cohen's d effect size (95% CI)−0.11 (−0.71 to 0.50)−0.54 (−1.26 to 0.20)0.19 (−0.57 to 0.94)−0.76 (−1.59 to 0.11)
Anxiety total score25Control6 (5.3)
6 (6.0)
5 (5.4)
4 (6.5)
3 (3.1)
2 (6.0)
6 (8.3)
2 (9.0)
Intervention4 (7.1)
2 (4.0)
2 (3.3)
0 (2.0)
4 (6.0)
2 (4.0)
2 (2.7)
0 (5.0)
Cohen's d effect size (95% CI)−0.32 (−0.92 to 0.30)−0.67 (−1.39 to 0.08)0.21 (−0.55 to 0.96)−0.60 (−1.42 to 0.26)
Depression total score25Control8 (7.2)
6 (11.0)
8 (8.4)
2 (14.0)
5 (6.5)
2 (9.0)
8 (9.0)
2 (13.0)
Intervention8 (10.1)
6 (15.0)
3 (4.9)
0 (4.0)
4 (5.9)
0 (6.0)
4 (5.7)
2 (9.0)
Cohen's d effect size (95% CI)0.00 (−0.60 to 0.60)−0.73 (−1.43 to 0.03)−0.16 (−0.91 to 0.60)−0.52 (−1.33 to 0.34)
EQ-5D score26Control2 (0.66)
2 (1.0)
2 (0.5)
2 (1.0)
2 (0.6)
1 (1.0)
1 (0.5)
1 (0.7)
Intervention1 (0.52)
1 (1.0)
1 (0.4)
1 (0.8)
1 (0.4)
1 (1.0)
1 (0.4)
1 (0.6)
Cohen's d effect size (95% CI)−1.68 (−2.35 to −0.95)−2.21 (−3.05 to −1.25)−1.95 (−2.80 to −0.98)0.00 (−0.82 to 0.82)
EQ-VAS Your health today score out of 10026Control72 (22.6)
80 (40)
82 (12.1)
78 (20.3)
76 (26.4)
90 (41.5)
79 (19.6)
80 (31.0)
Intervention75 (17.0)
70 (30)
84 (12.8)
85 (20.0)
78 (18.1)
80 (28.8)
81 (14.9)
80 (25.0)
Cohen's d effect size (95% CI)0.15 (−0.46 to 0.75)0.16 (−0.56 to 0.87)0.09 (−0.67 to 0.84)0.17 (−0.67 to 0.99)
Active/moderately active27N (%)N (%)N (%)N (%)
Control2 (10)01 (7)0
Intervention6 (29)5 (34)4 (31)2 (20)
Walked ≥3 hours in last 7 days27Control9 (47)7 (54)11 (79)9 (82)
Intervention9 (43)9 (70)7 (58)5 (62)