TABLE 3.

Exploratory factor analysis for Patient Health Questionnaire (PHQ-9) instrument.

Variable	Factor 1: Somatic	Factor 2: Cognitive/Affective
Anhedonia	0.682	0.201
Depressed mood	0.645	0.210
Sleep disturbance	0.715	0.199
Fatigue	0.708	0.168
Appetite changes	0.622	0.341
Low Self-esteem	0.270	0.703
Concertation difficulties	0.299	0.666
Psychomotor disturbances	0.263	0.701
Suicidal ideation	0.088	0.637
Cronbach’s alpha	0.843	0.802
Coefficient omega	0.844	0.820

This highlight the higher value of each variable.