Table 1

Sociodemographic and descriptive analysis according to the level of PA practice.

Variables analysed			Physical activity group		p
Variables analysed			Sedentary group	Active group	p
Gender	[n (%)]	Male	47 (43.9)	79 (73.8)	.000
Gender	[n (%)]	Female	60 (56.1)	28 (26.2)
Age	[x̄ (sd)]	Value	14.64 (±1.28)	13.88 (±1.28)
	[n (%)]	13 years	25 (23.4)	46 (43)
	[n (%)]	14 years	7 (6.5)	27 (25.2)	.000
	[n (%)]	15 years	51 (47.7)	21 (19.6)
	[n (%)]	16 years	24 (22.4)	13 (12.1)
Year	[n (%)]	1st CSE	15 (14)	28 (26.2)
	[n (%)]	2nd CSE	16 (15)	30 (28)	.001
	[n (%)]	3rd CSE	28 (26.2)	25 (47.2)	.001
	[n (%)]	4th CSE	48 (44.9)	24 (22.4)
Weight	[x² (sd)]	Kilos	55.02 (±11.48)	57.50 (±11.30)	.113
Height	[x² (sd)]	Metres	1.66 (±.09)	1.73 (±.09)	.000
BMI*	[x² (sd)]	Value	19.82 (±3.86)	19.05 (±3.31)	.090
	[n (%)]	Normal weight	90 (84.1)	98 (91.6)
Ponderal status	[n (%)]	Overweight	13 (12.1)	9 (8.4)	.079
Ponderal status	[n (%)]	Obesity	4 (3.7)	0 (0)
Note. n: sample no.; %: percentage; x̄ (sd): mean (standard deviation); CSE: Compulsory Secondary Education. *BMI: adjusted according to gender and weight, according to the scale by Cole et al. (2000). Ponderal index: it is extracted from the BMI value obtained.