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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)