Growth, body composition and bone mineral density among pubertal male athletes: intra-individual 12-month changes and comparisons between soccer players and swimmers

Table 3 Mean (95% confidence limits of the mean) by sports (soccer vs. swimming) and comparisons between groups on training experience, body mass index and indicators obtained from food frequency questionnaire

Dependent variable	units	Soccer		Swimming		t-test
Dependent variable	units	Mean	95% CL	Mean	95% CL	t-value	p
Training experience	years	5.2	(4.4; 6.0)	4.4	(3.6; 5.2)	1.411	0.166
Body mass index	kg.m⁻²	18.43	(17.30; 19.57)	18.35	(17.17; 19.52)	0.109	0.914
Calories	kcal	3282	(2298; 4265)	2628	(1892; 3364)	1.113	0.273
Proteins	%	23.7	(20.6; 26.8)	21.6	(19.5; 23.7)	1.169	0.250
Carbohydrates	%	60.6	(55.5; 65.7)	59.6	(56.3; 62.8)	0.364	0.718
Fat	%	15.7	(13.4; 18.0)	18.8	(16.1; 21.6)	-1.821	0.076
Cholesterol	mg	488	(317; 660)	357	(279; 436)	1.456	0.154
Fibres	g	36.9	(17.1; 56.7)	30.6	(21.9; 39.2)	0.615	0.545
Calcium	mg	1822	(1241; 2403)	1146	(701; 1590)	1.935	0.060

ISSN: 1471-2431