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Table 2 Accelerometer descriptive statistics and difference with self-report measures in minutes/week (N = 159)

From: Comparative validation of the IPAQ and the 7-Day PAR among women diagnosed with breast cancer

  Descriptive Statistics Self-Report Minus Accelerometer
  Accelerometer (N = 159) 7-Day Physical Activity Recall (N = 63) International Physical Activity Questionnaire (N = 96)
  Mean (SD) Median Range Meandif (SDdif) Mediandif Rangedif Meandif (SDdif) Mediandif Rangedif
Moderate 162 (122) 143 4 to 771 +17 (102) -1 -203 to 240 +225 (367)*** +108 -332 to 1447
Vigorous 13 (43) 0 0 to 367 +5 (32) 0 -97 to 162 +31 (130)** 0 -166 to 980
Total 175 (141) 145 4 to 826 +22 (104) -2 -188 to 240 +257 (408)*** +130 -345 to 1791
  1. **p < 0.01 ***p < 0.001; p-values indicate a difference between self-report and accelerometer scores based on a two-sided Wilcoxon signed-rank test.