Comparison and validation of accelerometer wear time and non-wear time algorithms for assessing physical activity levels in children and adolescents

Table 4 Number of days where adolescents fulfilling the recommendations of 60 min of MVPA per day

	Days (n)	Kappa Coefficient [95% confidence intervals]^a
Log diary method	179
Troiano et al. (2008)[11]	178	0.88 [0.84; 0.91]
Choi et al. (2012)[15]	179	0.89 [0.86; 0.91]
60 min	178	0.89 [0.86; 091]
30 min	178	0.89 [0.86; 091]
20 min	178	0.89 [0.86; 091]
15 min	178	0.89 [0.86; 091]
10 min	178	0.89 [0.86; 091]

^aKappa coefficient for the agreement assessment between methods with the gold standard method (log diary method)

ISSN: 1471-2288