Table 5.

Actical Bias (95% CI); RMSE for Children

	Heil 1R (kcal·min−1)		Heil 2R (kcal·min−1)		Puyau (kcal·min−1)
	Bias (95% CI)	RMSE	Bias (95% CI)	RMSE	Bias (95% CI)	RMSE
Children
Across All Activities	−1.6 (−1.7, −1.4)	1.9	−1.6 (−1.8, −1.5)	2.0	−2.2 (−2.3, −2.1)	2.4
Treadmill Activities	−1.3 (−1.4, −1.2)	1.3	−1.2 (−1.3, −1.2)	1.3	−1.8 (−1.9, −1.7)	1.8
Activities of Daily Living	−1.8 (−2.0, −1.6)	2.3	−1.9 (−2.2, −1.7)	2.4	−2.5 (−2.7, −2.3)	2.8
3.22 km/hr 0% grade	−1.1 (−1.2, −1.1)	1.1	−0.9 (−1.0, −0.8)	1.0	−1.7 (−1.8, −1.6)	1.7
3.22 km/hr 3% grade	−1.5 (−1.6, −1.4)	1.5	−1.3 (−1.4, −1.2)	1.4	−2.1 (−2.2, −2.0)	2.1
2.5 mph 0% grade	−1.2 (−1.3, −1.1)	1.3	−1.3 (−1.4, −1.2)	1.3	−1.6 (−1.7, −1.5)	1.6
4.83 km/hr 0% grade	−1.3 (−1.5, −1.2)	1.4	−1.5 (−1.6, −1.3)	1.5	−1.7 (−1.9, −1.6)	1.8
Backpack (4.5 kg)	−1.3 (−1.4, −1.2)	1.4	−0.8 (−1.0, −0.5)	1.1	−1.8 (−1.9, −1.6)	1.8
Basketball	−3.7 (−4.0, −3.4)	3.8	−3.7 (−4.1, −3.4)	3.9	−4.1 (−4.4, −3.8)	4.2
Bike	−2.8 (−3.2, −2.4)	3.0	−3.2 (−3.6, −2.8)	3.4	−3.7 (−4.1, −3.3)	3.8
Crafts	−0.2 (−0.3, −0.2)	0.3	−0.8 (−0.9, −0.7)	0.8	−1.2 (−1.3, −1.1)	1.3
Wii Tennis	−0.9 (−1.0, −0.7)	0.9	−1.3 (−1.4, −1.1)	1.3	−1.7–1.8, −1.6)	1.8

CI = Confidence Interval; RMSE = Root Mean Squared Error; km/hr = kilometers per hour; gr = grade. The values in bold indicate accurate estimates.