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. 2021 Jul 28;18(15):7961. doi: 10.3390/ijerph18157961

Table 4.

The changes in physical characteristics between the groups at baseline and after 12 weeks.

Variable Group Baseline 12 Weeks Source p-Value
Body weight (kg) Taekwondo 55.95 ± 4.94 54.65 ± 4.38 Group 0.496
Time 0.068
Control 54.12 ± 3.26 53.83 ± 2.77 Group × Time 0.212
Body mass index (kg/m2) Taekwondo 24.72 ± 2.10 24.14 ± 1.79 Group 0.073
Time 0.108
Control 24.20 ± 1.98 24.08 ± 1.83 Group × Time 0.220
Percent fat (%) Taekwondo 42.41 ± 3.78 40.07 ± 3.69 Group 0.403
Time 0.012 *
Control 42.17 ± 5.26 43.46 ± 5.64 Group × Time 0.012 *
ASMI (kg/m2) Taekwondo 5.34 ± 0.30 5.66 ± 0.40 Group 0.540
Time 0.863
Control 5.55 ± 0.14 5.26 ± 0.46 Group × Time 0.003 **
Systolic blood pressure (mmHg) Taekwondo 148.82 ± 9.93 136.27 ± 8.04 Group 0.124
Time 0.092
Control 148.20 ± 14.03 151.01 ± 12.40 Group × Time 0.007 **
Diastolic blood pressure (mmHg) Taekwondo 86.91 ± 8.22 76.27 ± 9.41 Group 0.607
Time 0.000 ***
Control 83.30 ± 8.72 83.54 ± 7.59 Group × Time 0.001 **
GDS-K (score) Taekwondo 15.64 ± 1.75 13.18 ± 2.14 Group 0.003 **
Time 0.689
Control 16.00 ± 1.76 18.80 ± 2.10 Group × Time 0.000 ***
Positive items (score) Taekwondo 8.73 ± 2.15 7.09 ± 2.59 Group 0.262
Time 0.814
Control 8.20 ± 1.75 10.00 ± 1.94 Group × Time 0.020 *
Negative (score) Taekwondo 6.91 ± 2.02 6.09 ± 2.47 Group 0.116
Time 0.945
Control 7.80 ± 2.62 8.80 ± 2.15 Group × Time 0.184

Values are means ± standard deviations. *, **, *** indicate values that are significantly different from baseline: * p < 0.05, ** p < 0.01, *** p < 0.001. ASMI: appendicular skeletal muscle mass index; GDS-K: geriatric depression scale-Korea.