risque (2) association (2) Brésil (2) Methods (2) Ci (Chinese poetry) (2) Students (2) Social groups (2) Risk (2) College students (2) Methods (2) Students (2) Freshmen (2) analyse statistique (1) état (1) projet de recherche (1) besoin (1) mode de vie (1) intérêts (1) santé (1) éducation (1) âge (1) situation de famille (1) Education (1) Composition (1) Programs (1) Work (1) Statistics (1) Population (1) Physical fitness (1) Percentage (1)