Sex Moderated Mediation of the Musculoskeletal Fitness in Relationship between High-Intensive Interval Training Performing during Physical Education Classes and Cardiorespiratory Fitness in Healthy Boys and Girls
Table 1
Descriptive statistics of the baseline measured variables and residual changes (RC) in groups.
Group
Boys
Girls
Intervention
Control
Intervention
Control
Variable
Mean (±sd) 95% CI
Mean (±sd) 95% CI
Mean (±sd) 95% CI
Mean (±sd) 95% CI
RC mean 95% CI
RC mean 95% CI
RC mean 95% CI
RC mean 95% CI
Body height (cm)
176.09 (6.54)
177.63 (5.84)
164.79 (6.04)
163.99 (7.27)
173.5-178.68
174.72-180.53
162.7805-166.81
161.66-166.31
0.2
0.16
0.14
0.19
0.13-0.26
0.09-0.22
0.1032-0.18
0.13-0.25
Body weight (kg)
63.74 (12.15)
64.68 (8.72)
56.35 (7.61)
56.76 (12.52)
58.93-68.55
60.35-69.02
53.81-58.89
52.75-60.77
-1.61
1.28
0.13
0.34
-5.46-2.23
0.27-2.3
-0.37-0.63
-0.13-0.81
BMI (kg/m2)
20.51 (3.44)
20.48 (2.43)
20.69 (1.94)
21 (3.66)
19.15-21.87
19.27-21.69
20.04-21.33
19.83-22.17
-0.19
-0.11
0.04
0.12
-0.5-0.11
-0.49-0.28
-0.14-0.21
-0.06-0.3
CRF (FI) (pts)
44.98 (4)
44.06 (3.46)
43.33 (4.93) 41.68
45.53 (3.4)
43.4-46.57
42.33-45.78
- 44.97
44.44-46.62
3.41
1.1
2.89
0.6
1.5-5.32
-0.26-2.46
1.8-3.97
-0.45-1.66
Hand grip (kg)
45.22 (8.09)
42.83 (7.14)
31.27 (4.28)
31.83 (6.31)
42.02-48.42
39.28-46.38
29.84-32.7
29.81-33.84
1.02
2.25
1.12
2.03
0.08-1.96
-0.68-5.17
0.31-1.94
1.05-3.01
Sit-ups ()
26.44 (3.19)
26.94 (3.1)
19.27 (4.76)
20.6 (3.62)
25.18-27.71
25.4-28.48
17.68-20.86
19.44-21.76
5.17
6.39
0.85
-1.43
3.91-6.42
2.95-9.83
-0.18-1.88
-2.32--0.55
Sit-and-reach (cm)
21.78 (7.85)
25.72 (8.37)
27.28 (6.19)
27.63 (8.18)
18.67-24.88
21.56-29.88
25.22-29.35
25.01-30.24
3.21
4.23
3.43
-0.76
1.94-4.48
2.13-6.33
2.53-4.32
-2.59-1.07
Vertical jump (cm)
58.63 (8.66)
56.72 (7.5)
41.41 (6.71)
43.2 (5.89)
55.2-62.06
52.99-60.45
39.17-43.64
41.32-45.08
-4.66
-1.88
-0.45
-0.03
-6.86--2.46
-4.82-1.07
-2.21-1.3
-1.59-1.52
MSFI (composite)
0.33 (0.05)
0.28 (0.07)
0.46 (0.09)
0.42 (0.08)
0.31-0.35
0.24-0.31
0.44-0.49
0.4-0.45
It did not calculate residual changes for MSFI (MSFI is based on residual changes for each motor test–as a component).
