Nutritional Knowledge and Attitudes of Adolescent Swimmers in Trinidad and Tobago

Table 3

Questions answered correctly by less than 50% of the participants (𝑛=220).

Statement	Frequency (𝑛=220)	Mean ± standard deviation
Protein is the main energy source for the muscle.	44 (20.0%)	0.20 ± 0.401
Iron-deficiency anemia results in a decrease in the amount of oxygen that can be carried in the blood.	84 (38.2%)	0.38 ± 0.487
Iron in meat is absorbed at the same rate as iron in a plant food.	83 (37.7%)	0.38 ± 0.486
Vitamin supplements are recommended for all physically active people.	23 (10.5%)	0.10 ± 0.307
During physical activity, feeling thirsty is enough to indicate the need for liquid.	45 (20.5%)	0.20 ± 0.404
Vitamins are good sources of energy.	29 (13.2%)	0.13 ± 0.339
Saturated and unsaturated oils both have an equal effect on the health.	69 (31.4%)	0.31 ± 0.465
Table salt is an essential part of a healthy diet.	66 (30.0%)	0.30 ± 0.495
Basic sugars like brown or granulated sugar, jam, and honey are the most suitable energy sources for sportsmen.	95 (43.2%)	0.43 ± 0.496
Carbohydrates are stored in muscles in the form of glycogen.	102 (46.4%)	0.46 ± 0.500