Table 3.

Test-retest reliability (intraclass correlation coefficients - ICC); percent agreement and weighted Kappa of quintiles of time spent in MPA, VPA and MVPA, measured by V-APARQ assessments in a sample of 146 junior high school students

	ICC			Percent agreement**			Weighted Kappa** (95 % CI)
	All	Boys	Girls	All	Boys	Girls	All	Boys	Girls
	(n = 146)	(n = 69)	(n = 77)	(n = 146)	(n = 69)	(n = 77)	(n = 146)	(n = 69)	(n = 77)
MPA	0.37*	0.45*	0.30*	83.4	83.8	82.8	0.33	0.34	0.33
							(0.28, 0.35)	(0.25, 0.50)	(0.29, 0.40)
VPA	0.62*	0.65*	0.60*	88.0	87.8	88.2	0.52	0.58	0.45
							(0.42, 0.57)	(0.43, 0.72)	(0.36, 0.58)
MVPA	0.57*	0.70*	0.53*	93.8	91.8	92.4	0.75	0.78	0.70
							(0.74, 0.78)	(0.32, 0.85)	(0.30, 0.74)

* The % agreement and Kappa are based on quintiles.