“…This is consistent with findings of other studies that measured the internal consistency of the PHQ-9 [38,39], and for this reason the PHQ-8 is recommended for public health surveys; however, it has less specificity than the PHQ-9 [40]. Suicide thoughts and attempts are still under-reported; this could be explained by the cultural and religious effects [41], stigma, and mental health literacy level [42,43]. The concurrent validity of the PHQ-9 is supported by the statistically significant association between the PHQ-9 total score and the overall SRQ-20 score and between the PHQ-9 total score and the scores of each SRQ-20 domain (anxiety and depression, cognitive area, somatic disorders).…”