“…For example, in relation to age, they show that this relationship is negative, i.e. the older the person, the less physical condition, which denotes non-linearity (Bauman et al, 2009;Palomino et al, 2017;Prieto Benavidez et al, 2015;Delgado -Floody et al, 2019), those that show how it is in adulthood where physical activity practice increases again and physical condition improves (Humphreys and Ruseski 2010) those that establish how BMI is closely related to diet, physical activity practice and parents' schooling (Bucco-dos Santos,& Zubiaur-Gonzales 2013;Díaz-Martínez et al, 2013;Cubidos de Carrillo, 2015;Zurita-Ortega et al, 2018;), who propose how sleep restriction is a risk factor associated with the presence of obesity (Duran et al, 2012;Reverter-Masia et al, 2017), those who mention the importance of staying active, i.e., engaging in physical activity, physical exercise and sport, and their relationship with different social and cultural aspects (Alvarez, et al, 2020) those that show that schoolchildren with physically active parents are more inclined to practice sport (Zurita-Ortega, 2018, Solis-Urra et al, 2019. Based on the above associations, it was found that the social determinants of health that predict healthy physical condition are BMI, living with the father, number of meals he consumes per day, being a beneficiary at the school restaurant and hours he sleeps at night, which are modifiable, an aspect that invites to continue insisting on processes of construction and implementation of effective nutrition programs, lifestyles and social coexistence that help improve the physical condition of schoolchildren as well as other studies suggest (Wilkinson, 2016 ;Carulla, et al, 2019;Ochoa-Martínez et al ,.…”