From: Establishing the reliability and validity of the Zagazig Depression Scale in a UK student population: an online pilot study
PHQ
Total
Not depressed
Depressed
ZDS
60 (60.4%)
9 (8.9%)
69 (69.3%)
2 (2%)
28 (28.7%)
30 (30.7%)
62 (62.4%)
37 (37.6%)
99 (100%)