Versions Patient Health Questionnaire
1 versions 1.1 9-item depression scale 1.2 2-item depression screener 1.3 4-item depression , anxiety screener 1.4 15-item somatic scale 1.5 somatic, anxiety, , depressive symptoms 1.6 7-item anxiety scale 1.7 8-item depression scale 1.8 adolescent scale versions the original patient health questionnaire contains 5 modules; these contain questions depressive, anxiety, somatoform, alcohol, , eating disorders. designed use in primary care setting, lacks coverage disorders seen in psychiatric settings. modules used independently, , variants have been developed based on original items. 9-item depression scale the phq-9, tool specific depression, scores each of 9 dsm-iv related criteria based on mood module original prime-md. phq-9 both sensitive , specific in diagnoses, has led prominence in primary care setting. tool used in variety of different contexts, including clinical settings across united states research studies. one study used phq-9, examined if college student displays of depres