Table 6.

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 physical fitness variables.

Variables and time point			Before intervention, mean (SD)		After intervention, mean (SD)		Pre-post difference, mean (SD)		F test (df)		P value		95% CI difference		η2
VO 2 max a (mL/kg/min)
	EG	34.55 (3.43)		34.40 (4.08)		0.15 (0.40)		0.135 (1)		.72		–0.662 to 0.957		0.003
	CG	36.56 (4.70)		36.59 (4.92)		–0.03 (0.41)		0.006 (1)		.94		–0.859 to 0.798		0.001
Handgrip right hand (kg)
	EG	26.93 (6.46)		27.55 (6.46)		–0.62 (0.99)		0.391 (1)		.54		–2.612 to 1.373		0.008
	CG	26.03 (9.28)		25.42 (11.35)		0.61 (1.03)		0.353 (1)		.56		–1.461 to 2.686		0.007
Handgrip left hand (kg)
	EG	25.32 (6.79)		25.29 (6.80)		0.03 (0.60)		0.003 (1)		.96		–1.175 to 1.237		0.001
	CG	24.72 (7.52)		25.15 (8.86)		–0.44 (0.62)		0.491 (1)		.49		–1.693 to 0.818		0.010
Sit-and-reach (cm)
	EG	16.29 (9.84)		17.67 (10.59)		–1.39 (0.82)		2.879 (1)		.10		–3.026 to 0.257		0.058
	CG	13.22 (7.53)		14.78 (7.58)		–1.57 (0.87)		3.254 (1)		.08		–3.311 to 0.180		0.065
Countermovement jump (cm)
	EG	17.93 (5.32)		18.49 (6.58)		–0.56 (1.08)		0.271 (1)		.61		–2.727 to 1.605		0.006
	CG	18.27 (7.60)		19.45 (7.93)		–1.19 (1.12)		1.122 (1)		.30		–3.442 to 1.067		0.023
20 m sprint
	EG	4.05 (0.96)		3.78 (1.20)		0.27 (0.16)		2.880 (1)		.10		–0.049 to 0.585		0.057
	CG	4.17 (1.10)		4.25 (0.63)		–0.08 (0.16)		0.228 (1)		.64		–0.408 to 0.252		0.005
Curl-up (repetitions)
	EG	17.23 (11.28)		23.58 (9.29)		–6.35 (2.51)		6.382 (1)		.02		–11.397 to –1.295		0.117
	CG	18.17 (12.93)		21.71 (12.86)		–3.54 (2.62)		1.835 (1)		.18		–8.799 to 1.716		0.037
Push-up (repetitions)
	EG	1.88 (4.48)		4.15 (5.81)		–2.27 (1.05)		4.698 (1)		.04		–4.377 to –0.162		0.093
	CG	4.86 (6.47)		4.77 (6.24)		0.09 (1.14)		0.006 (1)		.94		–2.200 to 2.382		0.001

^aVO₂max: maximal oxygen uptake.