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. 2024 Dec 10;26:e55243. doi: 10.2196/55243

Table 4.

Differences between the pre- and postintervention measurements in the experimental group (EG) and control group (CG) of adolescents who are overweight or obese in the kinanthropometric and body composition measurements.

Variables and time point Before intervention, mean (SD) After intervention, mean (SD) Prepost difference, mean (SD) F test (df) P value 95% CI difference η2
Body mass (kg)

EG 75.78 (16.83) 75.60 (17.62) 0.18 (0.43) 0.168 (1) .68 –0.691 to 1.045 0.003

CG 70.21 (10.78) 70.74 (11.08) –0.53 (0.45) 1.386 (1) .25 –1.433 to 0.375 0.028
BMI (kg/m2)

EG 27.76 (3.51) 27.67 (3.79) 0.09 (0.19) 0.235 (1) .63 –0.291 to 0.475 0.005

CG 27.71 (3.18) 27.52 (2.89) 0.18 (0.20) 0.855 (1) .36 –0.215 to 0.582 0.018
Waist girth (cm)

EG 82.11 (10.39) 81.55 (11.09) 0.57 (0.68) 0.701 (1) .41 –0.796 to 1.929 0.015

CG 82.71 (8.66) 83.19 (7.50) –0.48 (0.74) 0.419 (1) .52 –1.957 to 1.005 0.009
Hip girth (cm)

EG 104.93 (8.57) 104.96 (9.15) –0.02 (0.62) 0.001 (1) .97 –1.269 to 1.224 0.001

CG 99.65 (7.92) 101.02 (7.23) –1.37 (0.67) 4.157 (1) .05 –2.728 to –0.017 0.083
Waist-height

EG 0.50 (0.04) 0.49 (0.05) 0.00 (0.01) 1.070 (1) .31 –0.004 to 0.013 0.023

CG 0.52 (0.07) 0.52 (0.06) 0.00 (0.01) 0.007 (1) .94 –0.009 to 0.009 0.001
Corrected arm girth (cm)

EG 23.55 (2.29) 24.01 (2.53) –0.46 (0.22) 4.185 (1) .05 –0.911 to –0.007 0.083

CG 23.55 (2.75) 23.86 (2.60) –0.31 (0.24) 1.635 (1) .21 –0.803 to 0.179 0.034
Corrected thigh girth (cm)

EG 43.91 (5.68) 44.82 (5.47) –0.91 (0.57) 2.607 (1) .11 –2.052 to 0.225 0.054

CG 42.69 (4.81) 43.97 (4.00) –1.28 (0.62) 4.321 (1) .04 –2.517 to –0.040 0.054
Corrected calf girth (cm)

EG 30.77 (6.62) 30.25 (3.67) 0.52 (0.94) 0.312 (1) .58 –1.364 to 2.411 0.007

CG 29.21 (3.73) 29.77 (3.30) –0.56 (1.02) 0.301 (1) .59 –2.611 to 1.493 0.007
Fat mass (%)

EG 39.14 (10.28) 37.09 (8.85) 2.04 (1.25) 2.679 (1) .11 –0.470 to 4.557 0.055

CG 36.64 (13.74) 37.33 (10.96) –0.69 (1.36) 0.258 (1) .61 –3.422 to 2.043 0.006
Muscle mass (kg)

EG 21.59 (6.01) 22.18 (6.43) –0.59 (0.37) 2.578 (1) .12 –1.327 to 0.149 0.053

CG 20.95 (5.07) 21.82 (4.78) –0.87 (0.40) 4.737 (1) .04 –1.671 to –0.065 0.093
Summary of skinfold in 3 areas

EG 93.27 (28.71) 87.29 (23.97) 5.98 (3.50) 2.922 (1) .09 –1.062 to 13.023 0.060

CG 85.56 (35.56) 84.53 (26.47) 1.03 (3.80) 0.073 (1) .79 –6.631 to 8.682 0.002