Skip to main content

Table 2 Primary and secondary outcomes in the intention-to-treat (ITT) population

From: A volunteer-supported walking programme to improve physical function in older people with restricted mobility (the POWER Study): a randomised controlled trial

 

Outcome

Study arm

 
 

Control group

T1: n = 97, T2: n = 82

Intervention group

T1: n = 105, T2: n = 85

 

Time

Median

IQR

Median

IQR

p

T1

SPPB

3.00

[2.00–5.00]

4.00

[3.00–5.00]

0.308a

Frailty scale

5.00

[4.00–6.00]

5.00

[3.00–6.00]

0.281b

Clock test

3.00

[2.00–4.00]

3.00

[2.00–4.00]

0.799 b

EQ-5D 5L VAS

55.00

[45.00–75.00]

50.00

[45.00–70.00]

0.355 b

FES-I

28.00

[20.00–38.00]

27.00

[21.00–37.00]

0.805 b

T2

SPPB

3.00

[2.00–5.00]

4.00

[2.00–5.00]

0.225 a

Frailty scale

6.00

[4.00–6.00]

5.00

[4.00–6.00]

0.912 b

Clock drawing test

3.00

[2.00–4.00]

3.00

[2.00–4.00]

0.661 b

EQ5D 5L VAS

50.00

[47.50–72.50]

54.00

[50.00–75.00]

0.425 b

FES-I

27.00

[20.00–38.00]

26.00

[20.00–35.00]

0.964 b

  1. IQR Interquartile range, FES-I Falls Efficacy Scale, SPPB Short Physical Performance Battery, VAS Visual Analogue Scale
  2. Informative missing values were replaced by the worst outcome possible
  3. aGeneralised linear model, controlled for the baseline SPPB score
  4. bMann–Whitney U test if the data were not normally distributed