Table 1. Activity-intensity thresholds for the RT3 accelerometer.

Variable	Rowlands [11]	Vanhelst [12]	Chu [10]
Sedentary (cpm)	<288	<41	<420
Light PA (cpm)	288–969	41–950	420–1859
Moderate PA (cpm)	970–2,332	951–3,410	1860–4109
Vigorous PA (cpm)	≥2,333	>3,410	≥4110

cpm, counts per min; PA, physical activity.