The Korean Journal of Sports Medicine

Indexed in /covered by CAS, KoreaScience & DOI/Crossref:eISSN 2288-6028   pISSN 1226-3729

Table. 1.

Table. 1.

Characteristics of the study subjects

Characteristic Total Derivation Cross-validation p-value
No. of subjects 1,162 815 347
Female sex 311 (26.8) 219 (26.9) 92 (26.5) 0.900
Age (yr) 23.7±2.2 23.7±2.2 23.8±2.2 0.660
Height (cm) 171.2±8.0 171.2±8.0 171.1±8.3 0.958
Weight (kg) 66.1±12.1 65.8±11.9 67.0±12.3 0.104
Body mass index (kg/m2) 22.4±3.1 22.3±3.1 22.7±3.0 0.031*
Body fat (%) 21.0±5.6 20.7±5.6 21.6±5.5 0.011*
WC (cm) 80.2±8.2 79.8±8.2 81.0±8.3 0.029*
Lean mass (kg) 52.0±9.1 51.9±9.0 52.3±9.2 0.483
RHR (beat/min) 76.1±11.6 76.4±11.7 75.3±11.3 0.121
VO2max (mL/kg/min) 43.5±7.9 43.5±7.8 43.3±7.9 0.739
Physical activity (MET/wk) 1,308.7±1,137.3 1,284.2±1,128.4 1,366.0±1,157.7 0.262
Physical inactive 827 (71.2) 581 (71.3) 246 (70.9) 0.892
Smoking 286 (24.6) 207 (25.4) 79 (22.8) 0.242

Values are presented as number only, number (%), or mean±standard deviation.

WC: waist circumference, RHR: resting heart rate, VO2max: volume of maximal oxygen consumption, MET: metabolic equivalent.

*p<0.05.

Korean J Sports Med 2022;40:39-48 https://doi.org/10.5763/kjsm.2022.40.1.39
© 2022 Korean J Sports Med