Table 2

Mean (SD) percentage agreement and number (%) of participants with scores within 5%, 10% and 15% of the criterion measure for each comparison

ComparisonPercentage agreement5% agreement10% agreement15% agreement
2MWT Fitbit versus visual count0% (4%)27 (84%)31 (97%)32 (100%)
2MWT Fitbit versus ActiGraph7% (16%)24 (75%)27 (84%)27 (84%)
2MWT ActiGraph versus visual count6% (10%)22 (69%)25 (78%)28 (88%)
7-day average steps/day Fitbit versus ActiGraph13% (25%)11 (34%)16 (50%)21 (66%)
  • The latter measure in each comparison was used as the criterion measure.

  • 2MWT, 2 min walk test.