Comments on Varela-Mato, V.; Cancela, J.M.; Ayan, C.; Martín, V.; Molina, A. Lifestyle and Health among Spanish University Students: Differences by Gender and Academic Discipline. Int. J. Environ. Res. Public Health 2012, 9, 2728–2741

In regard to the article entitled " Lifestyle and health among Spanish university students: differences by gender and academic discipline " by Varela-Mato et al. [1] which analyzes the lifestyles of a group of students from the University of Vigo (Galicia, Spain), we would like to draw your attention to a series of disagreements with certain statements that are made therein: 1. The authors [1] transfer their results to the Spanish university with a transversal descriptive study without selection of the participants and that includes 27% of the students in one of the three campuses and does not exceed 5% of total Students at the University of Vigo, and in which nothing is known of the subjects who did not respond to the questionnaires (see " The STROBE Statement ") [2]. 2. The authors use the short version of the questionnaire International Physical Activity Questionnaire (IPAQ [3]) and defined as sufficiently active to those who perform an energy expenditure greater than or equal to 1,500 Met-min/week. IPAQ itself [3] and related agencies such as the U., indicate that it is from an energy expenditure of 500 Met-min/week when defining a person as sufficiently active (equivalent to performing 150 min/week of moderate physical activity or 75 min/week vigorous physical activity). 3. With respect to the claim that the Varela-Mato et al. research was approved by the Ethics Committee of the University of Vigo, this cannot be because in that there is no such University OPEN ACCESS