Current research into the pathogenesis of tension-type headache (TTH) and migraine is
focused on altered nociceptive pain processing. Among the potential factors that influence …

Introduction: One of the most common sleep disorders, insomnia is a significant public
health concern. Several psychiatric disorders, such as anxiety disorders and depression …

Objective This study aimed to demonstrate that the Patient Health Questionnaire (PHQ)-8 is
not less useful than the PHQ-9 as a screening test for major depressive disorder (MDD) …

Background The coronavirus disease 2019, or COVID-19, has had a major psychological
impact on healthcare workers. However, very few scales are available to specifically assess …

Chronic obstructive pulmonary disease (COPD) results in high morbidity and mortality
among patients nationally and globally. The Korean clinical practice guideline for COPD …

Objective The Beck Depression Inventory-II (BDI-II) is one of the most popular scales for
evaluating the severity of depression in adolescents as well as adults. The prevalence of …

Background Recently, studies have been conducted to address the research gap in the
understanding of poor-quality sleep and its relationship to health outcomes, through the …

Although tension-type headache (TTH) is a frequent type of headache disorder and imposes
a significant burden, there is scant information about the prevalence and impact of comorbid …

Background Psychiatric problems have been commonly reported in patients with migraine.
This study investigated the reliability and validity of the Patient Health Questionnaire-9 (PHQ …

Study objectives Insomnia is the most common sleep disorder with significant
psychiatric/physical comorbidities in the general population. The aim of this study is to …