Table. 1.

Participants distribution (N = 308).

Gender m. 151 49.0 %
f. 157 51.0 %
Grade 2nd 103 33.4 %
3rd 92 29.9 %
4th 113 36.7 %
Region Seoul metropolitan area 80 26.0 %
Gangwon 21 6.8 %
Chungcheong 35 11.4 %
Jeolla 79 25.6 %
Gyeongsang 93 30.2 %
Founding National 168 54.5 %
entity Private 140 45.5 %
New Phys.: Sae Mulli 2021;71:702~710 https://doi.org/10.3938/NPSM.71.702
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