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Table 3 Test re-test reliability based on intraclass correlation coefficients (ICC) for the IPAQ (short version, last 7 days) questions (N = 108)

From: Reliability and validity of the international physical activity questionnaire in the Nord-Trøndelag health study (HUNT) population of men

Questionnaire N = 108
  ICC 95% CI
IPAQ   
   Vigorous activity (days per week) 0.61 0.48 – 0.72
   Vigorous activity (hours per day) 0.62 0.47 – 0.73
   Moderate activity (days per week) 0.34 0.16 – 0.51
   Moderate activity (hours per day) 0.3 0.09 – 0.49
   Walking (days per week) 0.56 0.41 – 0.68
   Walking (hours per day) 0.42 0.23 – 0.59
   Sitting (hours per day) 0.8 0.70 – 0.87
  1. ICC = Single measure intraclass correlation coefficient