PSQI	Pittsburgh Sleep Quality Index
NutSo-HH	Nutritional and Social Healthy Habits Scale
PA	Physical Activity
STROBE	Strengthening the Reporting of Observational Studies in Epidemiology
EBIC	Extended Bayesian Information Criterion
GGM	Gaussian Graphical Model
PCA	Principal Component Analysis
SD	Standard Deviation
M	Mean
EUR	Euro (currency)