Treadmill Calibration of the Actigraph GT1M in Young-to-Middle-Aged Obese-to-Severely Obese Subjects

Table 1

The subject characteristics. Mean ± SD. (𝑉_O2max: 𝑛=32 and 24 for the total group and for women, resp.). BMI: body mass index; WC: waist circumference; 𝑉_O2max: maximal oxygen consumption.

	Total sample	Men	Women
N	42	11	31
Age	43.2±9.2	42.1±8.5	43.6±9.5
Height (cm)	172.2±9.1	182.3±8.0	168.6±6.4
Weight (kg)	118.2±18.2	127.1±16.0	115.1±18.0
BMI (kg/m^2)	39.8±5.7	38.3±4.9	40.4±6.0
WC (cm)	127.6±13.2	131.8±11.3	126.1±13.7
𝑉O2max (L/min)	3.29±0.66	4.16±0.60	3.00±0.37
𝑉O2max (mL/kg/min)	27.61±5.19	32.30±5.41	26.05±4.15
Resting 𝑉O2 (L/min)	0.36±0.07	0.42±0.09	0.34±0.05
Resting 𝑉O2 (mL/kg/min)	3.04±0.40	3.26±0.43	2.96±0.36