Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
—observed variable; 
—latent variable; 
—impact of one variable on another; e—residual error in the prediction of an unobserved factor; * p<0.001; BDS = Beirut Distress Scale; HAM-A = Hamilton Anxiety Scale; HAM-D = Hamilton Depression Scale; LIS = Lebanese Insomnia Scale; BARRAT scale used to measure impulsiveness.
