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Table 2 Assessing the repeatability of the GPPAQ questionnaire data Pace-Lift GPPAQ at baseline, 3 months and 12 months

From: Evaluation of reliability and validity of the General Practice Physical Activity Questionnaire (GPPAQ) in 60–74 year old primary care patients

GPPAQ at baseline

Inactive

Moderately Inactive

Moderately active

Active

Total

Repeatability

Weighted Kappa1

GPPAQ at 3 months

 Inactive

44

10

5

2

61

  

 Moderately inactive

6

5

5

2

18

  

 Moderately active

11

1

9

8

29

  

 Active

1

2

3

12

18

  

 3 month totals

62

18

22

24

126

70/126 = 56 %

0.57

GPPAQ at 12 months

 Inactive

56

8

9

3

76

  

 Moderately inactive

6

4

2

2

14

  

 Moderately active

3

3

9

2

17

  

 Active

0

1

3

18

22

  

 12 month totals

65

16

23

25

129

87/129 = 67 %

0.63

Pace-Lift 12 month GPPAQ and GPPAQ within 12 months extracted from GP records

Pace-Lift GPPAQ (self-administered at 12 months)

 

Inactive

Moderately inactive

Moderately active

Active

Total

Repeatability

 

GPPAQ extracted from GP records

 Inactive

9

1

1

0

11

  

 Moderately inactive

3

1

1

2

7

  

 Moderately active

3

0

1

0

4

  

 Active

3

1

0

2

6

  

 Totals

18

3

3

4

28

13/28 = 46 %

0.24

1. Weighted Kappa calculated using weights (1.0, 0.8889, 0.5556, 0)