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Table 3 Sensitivity and specificity of the questionnaires in detecting adherence to the recommendations of physical activity

From: Validation of two short questionnaires assessing physical activity in colorectal cancer patients

  Sensitivity na (%) Specificity nb (%)
Physical activity intensity NORDIET-FFQ HUNT-PAQ NORDIET-FFQ HUNT-PAQ
MVPA> 150 min/week 10 (29) 25 (71) 27 (63) 15 (36)
MPA > 150 min/week 16 (46) 26 (74) 22 (51) 15 (36)
VPA > 75 min/week 57 (75) 0 (0) 0 (0)
  1. NORDIET-FFQ NORDIET Food Frequency Questionnaire, HUNT-PAQ HUNT Physical Activity Questionnaire, SWA SenseWear Armband, MVPA = (moderate physical activity 10 min bouts + (vigorous physical activity 10 min bouts*2)); bouts = sum of at least 10 consecutive minutes of activity and above, MPA moderate physical activity in bouts of 10 min, VPA vigorous physical activity in bouts of 10 min
  2. asubjects reported not fulfilling the recommendations for both the NORDIET-FFQ/HUNT-PAQ and SWA
  3. bsubjects reported fulfilling the recommendations for both the NORDIET-FFQ/HUNT-PAQ and SWA