Intervention Group (n=59)
Control Group
Pre-intervention
Post-intervention
Pre-test
Post-test
t
-test
p-value
Variables
Mean ± SD
Mean ± SD
Paired t
-test
p-value
Mean ± SD
Mean ± SD
Paired t-
test
p-value
Age (year)
10.44 ± 0.99
-
-0.656
0.513
11.17 ± 1.12
-
-1.317
0.190
-3.12
0.002*
BMI
a
(cm)
25.09 ± 3.84
24.44 ± 3.78
0.285
0.776
24.25 ± 3.08
24.50 ± 2.72
-0.448
0.655
0.230
0.819
Weight(kg)
53.15 ± 12.03
53.10 ± 11.85
-0.545
0.586
54.20 ± 10.95
56.38 ± 0.41
-1.27
0.206
-1.27
0.206
Weight loss (kg)
-
-0.05 ± 0.61
-
-
-
+2.18 ± 2.93
-
-
-
-
WEL
b
score
24.58 ± 6.94
25.25 ± 8.12
-0.487
0.627
26.05 ± 7.37
25.90 ± 8.74
0.102
0.919
-0.417
0.677
NES
c
score
8.95 ± 2.37
9.53 ± 3.27
-1.096
0.275
9.57 ± 2.91
8.90 ± 3.17
1.200
0.232
1.060
0.291
PSE
d
score
6.96 ± 2.70
7.71 ± 3.64
-1.264
0.209
8.30 ± 3.67
7.27 ± 3.32
1.618
0.108
0.698
0.487
SES
e
score
35.44 ± 6.99
40.41 ± 9.85
-3.158
0.002*
39.86± 11.09
42.15 ± 11.54
-1.101
0.273
-0.885
0.387
ALQ
f
score
75.67±19.50
78.71 ±25.19
-0.732
0.466
84.93 ± 21.07
81.30 ± 22.4
0.914
0.362
-0.592
0.555
BS
g
score
2.76 ± 0.89
3.08 ± 0.88
-1.994
0.048*
2.97 ± 1.09
2.90 ± 0.95
0.348
0.729
1.101
0.273
* p≤0.050
a
BMI: body mass index.
b
WEL: Weight Self-Efficacy Lifestyle.
c
NES: Nutrition Self-Efficacy Scale.
d
PES: Physical Exercise Self-Efficacy Scale.
e
SES: Self-Esteem Scale.
f
ALQ: Adolescent Lifestyle Questionnaire.
g
BS : Body Shape.
Table 2:
Within-subject changes and distributions of changes in self-efficacy, self-esteem, lifestyle, body shape, weight measures and BMI (N=119).
