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Table 4 Group-time interactions for the periods T1-T0, T2-T0 and T2-T1

From: Effect of counselling during pulmonary rehabilitation on self-determined motivation to be physically active for people with chronic obstructive pulmonary disease: a pragmatic RCT

Outcome

Time Period

Estimate

SE

df

Lower CI

Upper CI

t-value

p-value

Mean steps

T1–T0

323

773

49.1

 − 1588

2235

0.42

0.96

 

T2-T0

888

795

48.9

 − 1078

2853

1.12

0.61

 

T2-T1

564

803

48.3

 − 1421

2550

0.70

0.83

Mean MET

T1–T0

0.13

0.13

51.0

 − 0.13

0.40

0.25

0.51

 

T2–T0

0.13

0.13

50.7

 − 0.14

0.40

1.15

0.58

 

T2–T1

 − 0.00

 − 0.00

49.8

 − 0.28

0.27

 − 0.06

0.99

Mean time low MET

T1–T0

 − 77.5

66.8

55.2

 − 242

87.1

 − 1.16

0.58

 

T2–T0

 − 45.7

66.8

55.2

 − 212

123.8

 − 0.66

0.88

 

T2–T1

31.8

70.2

54.5

 − 141

204.8

0.45

0.95

Mean time moderate MET

T1–T0

23.2

18.8

50.6

 − 23.1

69.6

1.24

0.52

 

T2–T0

7.5

19.3

50.4

 − 40.1

55.2

0.39

0.97

 

T2–T1

 − 15.7

19.5

49.4

 − 64.0

32.6

 − 0.80

0.81

Mean time high MET

T1–T0

15.6

7.6

54.8

 − 3.2

34.4

2.04

0.13

 

T2–T0

15.7

7.9

55.0

 − 3.7

35.1

2.00

0.14

 

T2–T1

0.1

8.0

54.1

 − 19.7

19.9

0.02

1.00

1STS

T1–T0

0.6

1.9

66.0

 − 4.0

5.3

0.34

0.98

 

T2–T0

0.3

2.0

66.2

 − 4.6

5.1

0.13

0.99

 

T2–T1

 − 0.4

20.1

65.7

 − 5.31

4.5

 − 0.20

0.99

6MWD

T1–T0

1.2

17.9

68.9

 − 42.5

44.9

0.07

0.99

 

T2–T0

 − 9.7

18.8

69.3

 − 55.7

36.4

 − 0.51

0.94

 

T2–T1

 − 10.9

18.9

68.6

 − 57.1

35.4

 − 0.58

0.91

  1. MET, metabolic equivalent of task; 1STS, one-minute sit to stand; 6MWD, six-minute walking distance; SE, standard error; df, degrees of freedom; CI, confidence interval. Adjustment for multiple testing with sidak method