Table. 1.
Clinical characteristics of the participants
| Variables | Mean ± SD |
|---|---|
| Gender (M/F) | 15/15 |
| Age (years) | 21.97 ± 1.38 |
| Height (cm) | 168.48 ± 7.47 |
| Weight (kg) | 64.19 ± 13.65 |
| Duration of use of the smartphone per day (min) | 388.97 ± 154.49 |
J Korean Soc Phys Med 2023;18:113-9 https://doi.org/10.13066/kspm.2023.18.3.113 
© 2023 J Korean Soc Phys Med