test (1) stress (1) analyse statistique (1) carré (1) risque (1) association (1) information (1) point (1) Mexique (1) Guadalajara (1) Methods (1) Beck Anxiety Inventory (1) Drowsiness (1) Value (1) Symptoms (1) Students--Health and hygiene (1) Students (1) Statistics (1) Square (1) Social groups (1) Sleep disorders (1) Risk (1) Performance (1) Medical students (1) Materials (1) Insomnia (1) Anxiety (1) Methods (1) Materials (1) January (1)