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Table four Test-retest reliability of the troublesomeness grid N = 30

From: Measuring troublesomeness of chronic pain by location

a) Percentage agreement
  A No troublesome pain B Close agreement A+B Overall agreement
Neck 14 (47%) 11 (37%) 25 (83%)
Shoulders 14 (47%) 7 (23%) 21 (70%)
Low back 15 (50%) 11 (37%) 26 (87%)
Hip/thigh 18 (60%) 9 (30%) 27 (90%)
Knee 11 (37%) 14 (47%) 25 (83%)
b) Intraclass correlation coefficients
  Intra-class correlation coefficient 95% Confidence Interval  
Neck 0.80 0.57, 0.91  
Shoulders 0.59 0.11,0.81  
Low back 0.89 0.76, 0.95  
Hip/thigh 0.91 0.80,0.96  
Knee 0.91 0.81,0.96  
  1. A:- Those with no pain or not at all troublesome pain in both surveys
  2. B:-Those with at least moderately troublesome pain in either survey who remained the same or changed by one Likert point between surveys
  3. A+B:- Overall agreement between baseline and follow up