Table 3.

The knowledge about diet and supplementation, and undertaking physical activity.

Variable	Engaged in physical activity  N; %	Not engaged in physical activity  N; %	Total  N; % (410)	p-value
Definition of supplementation
Known	153; 47.52	38; 43.19	191; 46.56	p≤0.47
Unknown	169; 52.48	50; 56.81	219; 53.44
Group A supplements include:
Bicarbonate or citrate	122; 37.89	23; 26.13	145; 35.37
Glutamine, glucosamine	148; 45.97	34; 38.64	182; 44.39	p≤0.001
Ribose, melatonin	29; 9.00	16; 18.18	45; 10.97
All correct	23; 7.14	15; 17.05	38; 9.27
Group B supplements include:
Bicarbonate or citrate	126; 39.14	28; 31.81	154; 37.56
Glutamine, glucosamine	127; 39.44	36; 40.90	163; 39.76	p≤0.28
Vitamin E and C	57; 17.70	17; 19.34	74; 18.04
All correct	12; 3.72	7; 7.95	19; 4.61
Group C supplements include:
Bicarbonate or citrate	71; 22.04	14; 15.92	85; 20.73
Glutamine, glucosamine	21; 6.53	7; 7.95	28; 6.83	p≤0.49
Coenzyme Q10, nitric oxide	216; 67.08	61; 69.31	277; 67.56
All correct	14; 4.35	6; 6.82	20; 4.88
% of the total caloric value of the protein in the meal is:
10-15%	110; 34.16	20; 22.73	130; 31.71
10-20%	136; 42.23	40; 45.45	176; 42.93	p≤0.14
15-30%	61; 18.94	24; 27.27	85; 20.73
Incorrect answer	15; 4.67	4; 4.55	19; 4.63
% of the total calorific value of carbohydrates in a meal is:
20-30%	88; 27.33	21; 23.86	109; 26.58
40-50%	72; 22.36	32; 36.36	104; 25.37	p≤0.001
50-55%	137; 42.55	22; 25.00	159; 38.78
35-45%	25; 7.76	13; 14.78	38; 9.27
% of the total calorific value of fats in a meal is:
25-30%	45; 13.97	32; 36.36	77; 18.78
30-35%	117; 36.35	14; 15.92	131; 31.95	p≤0.001
15-25%	142; 44.09	37; 42.04	179; 43.66
Incorrect answer	18; 5.59	5; 5.68	23; 5.61
Subjective level of knowledge about diet and supplementation in sport:
Lack pf knowledge	12; 3.73	9; 10.22	21; 5.13	p≤0.001
Little knowledge	121; 37.57	46; 52.28	167; 40.73
Average knowledge	99; 30.75	33; 37.50	132; 32.19
Vast knowledge	90; 27.95	0; 00.00	90; 21.95