Objective The DSM-5 Field Trials were designed to obtain precise (standard error< 0.1)
estimates of the intraclass kappa as a measure of the degree to which two clinicians could …

Background The nine-item depression module from the Patient Health Questionnaire (PHQ-
9) is widely used as an open access screening instrument for depression in different health …

Importance Somatic symptoms are the core features of many medical diseases, and they are
used to evaluate the severity and course of illness. The 8-item Somatic Symptom Scale (SSS …

Abstract The Health Related Behaviors Survey (HRBS) is the US Department of Defense's
flagship survey for understanding the health, health-related behaviors, and well-being of …

BACKGROUND: Depression, anxiety and somatization are the most common mental
disorders in primary care as well as medical specialty populations; each is present in at least …

The purpose of this study was to gain more knowledge and a deeper understanding of
experiences of persons living with psychological distress who seek help in primary care …

Background The BSI-18 contains the three six-item scales somatization, depression, and
anxiety as well as the Global Severity Index (GSI), including all 18 items. The BSI-18 is the …

Background The literature contains variable figures on the prevalence of somatoform
disorders and medically unexplained symptoms in primary care. Methods The pertinent …

BACKGROUND: The 4-item Patient Health Questionnaire-4 (PHQ-4) is an ultra-brief self-
report questionnaire that consists of a 2-item depression scale (PHQ-2) and a 2-item anxiety …

Objective Generalized anxiety disorder (GAD) during pregnancy is associated with several
adverse maternal and perinatal outcomes. A reliable and valid screening tool for GAD …