Table 3A

Number, means and (SD) as a function of trial arm and measurement time point for candidate primary outcome measures in the ReTrain pilot trial

Data collection time point
Baseline6 months*9 months*
Measures, n, mean (SD)ReTrain (n=23)Control (n=22)ReTrain (n=21)Control (n=20)ReTrain (n=21)Control (n=20)
Rivermead Mobility Index23, 11.41 (3.05)22, 11.68 (2.23)21, 12.14 (2.73)19, 12.47 (1.87)21, 12.24 (3.27)20, 12.65 (1.81)
Modified Patient-Specific Functional Scale22, 2.95 (1.85)22, 2.55 (1.23)21, 3.47 (2.12)19, 3.56 (1.69)21, 3.25 (2.03)20, 3.74 (1.86)
Timed Up and Go (s)†23, 27.57 (27.57)21, 21.24 (11.18)21, 20.76 (19.64)19, 16.37 (9.69)21, 20.76 (19.25)20, 15.95 (12.00)
PA: diary‡21, 6.67 (19.20)20, 10.69 (17.39)21, 17.39 (24.28)19, 25.60 (34.98)19, 13.92 (22.25)20, 35.11 (49.70)
PA (accelerometer): total PA min‡§21, 145.10 (118.27)20, 165.56 (139.09)19, 134.88 (129.77)18, 178.15 (155.07)16, 152.08 (118.52)17, 197.42 (144.31)
PA (accelerometer): light PA min‡§21, 92.78 (93.15)20, 110.18 (115.65)19, 95.67 (105.50)18, 121.80 (122.46)16, 99.33 (99.54)17, 134.54 (126.36)
PA (accelerometer): MVPA PA min‡§21, 52.32 (68.94)20, 55.38 (39.66)19, 39.21 (39.33)18, 56.35 (51.26)16, 52.75 (60.03)17, 62.88 (41.73)
PA (accelerometer): moderate PA min‡§21, 50.53 (66.77)20, 53.38 (37.04)19 37.73 (37.40)18, 53.07 (43.99)16, 51.11 (58.54)17, 60.93 (40.84)
PA (accelerometer): vigorous PA min‡§21, 1.79 (3.85)20, 2.00 (3.96)19, 1.48 (2.39)18, 3.28 (8.14)16, 1.64 (2.38)17, 1.94 (2.33)
  • *Postrandomisation.

  • †Precision to 10 ms.

  • ‡Average minutes of physical activity per day.

  • §Measurement recorded 100 times a second (accelerometer set to a sampling frequency of 100 Hz).

  • MVPA, Moderate to Vigorous Physical Activity; PA, physical activity; ReTrain, rehabilitation training.