Psychiatry Investigation

Original Article

September 19, 2023

The Clinical Manifestation, Executive Dysfunction, and Caregiver Strain in Subthreshold Attention-Deficit/Hyperactivity Disorder

Yajing Tang, Sunwei Qiu, Haimei Li, Feifei Si, Mengjie Zhao, Min Dong, Meirong Pan, Xinxin Yue, Lu Liu, Qiujin Qian, et al.

Psychiatry Investig. 2023;20(9):789-798.

Objective Subthreshold attention-deficit/hyperactivity disorder (ADHD) has been suggested to be a “morbid condition” which also needs medical attention. Methods The present study recruited 89 children with subthreshold ADHD (sADHD), 115 children...

Original Article

September 19, 2023

The Use of Phentermine for Obesity in Psychiatric Patients With Antipsychotics

Eunju Kim, Daniel Rim, Jeong-Hun Shin, Denise Wong, Dong Wook Kim

Psychiatry Investig. 2023;20(9):799-807.

Objective Phentermine is a commonly used weight-loss agent in the United States, but there is a little information about the use of phentermine for patients with obesity taking antipsychotic medications. Methods...

Original Article

September 19, 2023

The Effect of Psychological Factors on COVID-19 Vaccination Side Effects: A Cross-Sectional Survey in South Korea

Eun Kim, Hee Jin Kim, Doug Hyun Han

Psychiatry Investig. 2023;20(9):808-817.

Objective Side effects from the coronavirus disease-2019 (COVID-19) vaccine, such as pain, headache, nausea, and fatigue, have caused vaccine hesitancy. Research on the effects of psychological factors on COVID-19 vaccine...

Original Article

September 19, 2023

Identification of Plasma Biomarkers in Drug-Naïve Schizophrenia Using Targeted Metabolomics

Qiao Su, Fuyou Bi, Shu Yang, Huiming Yan, Xiaoxiao Sun, Jiayue Wang, Yuying Qiu, Meijuan Li, Shen Li, Jie Li

Psychiatry Investig. 2023;20(9):818-825.

Objective Schizophrenia (SCZ) is a severe psychiatric disorder with unknown etiology and lacking specific biomarkers. Herein, we aimed to explore plasma biomarkers relevant to SCZ using targeted metabolomics. Methods Sixty drug-naïve...

Original Article

September 19, 2023

Pandemic Grief Reaction and Intolerance of Uncertainty on the Cognitive-Behavioral Model of COVID-Related Hypochondriasis Among Firefighters

Seockhoon Chung, Han-Sung Lee, Soomin Jang, Yong-Wook Shin, Jeong-Hyun Kim, Jin Yong Jun

Psychiatry Investig. 2023;20(9):826-833.

Objective This study aimed to explore the feasibility of cognitive-behavioral model hypochondriasis regarding coronavirus disease-2019 (COVID-19) among firefighters. In addition, we examined the possible role of their grief reaction and...

Original Article

September 19, 2023

Suicidal Thinking Among Patients With Spinal Conditions in South Korea: A Population-Based Cross-Sectional Study

Tak Kyu Oh, Hye Yoon Park, In-Ae Song

Psychiatry Investig. 2023;20(9):834-842.

Objective Chronic pain increases the risk of suicide because it is often accompanied by depressive symptoms. However, the existing information regarding suicidal thinking in patients with chronic pain such as...

Original Article

September 19, 2023

Problematic Smartphone Use and Its Relationship With Anxiety and Suicidal Ideation Among South Korean Adolescents

Mi-Sun Lee, Hooyeon Lee

Psychiatry Investig. 2023;20(9):843-852.

Objective This study aimed to investigate the prevalence of problematic smartphone use (PSU) among adolescents and its association with anxiety and suicidal ideation. Methods The 16th cross-sectional, population-based Korea Youth Risk...

Original Article

September 19, 2023

Validation of the Patient Health Questionnaire–9 and Patient Health Questionnaire–2 in the General Korean Population

Minah Kim, Sanghyup Jung, Jee Eun Park, Jee Hoon Sohn, Su Jeong Seong, Byung-Soo Kim, Sung Man Chang, Jin Pyo Hong, Bong-Jin Hahm, Chan-Woo Yeom

Psychiatry Investig. 2023;20(9):853-860.

Objective The Patient Health Questionnaire–9 (PHQ-9) and PHQ-2 have not been validated in the general Korean population. This study aimed to validate and identify the optimal cutoff scores of the...

Original Article

September 19, 2023

Multimorbidity Pattern and Risk for Mortality Among Patients With Dementia: A Nationwide Cohort Study Using Latent Class Analysis

Che-Sheng Chu, Shu-Li Cheng, Ya-Mei Bai, Tung-Ping Su, Shih-Jen Tsai, Tzeng-Ji Chen, Fu-Chi Yang, Mu-Hong Chen, Chih-Sung Liang

Psychiatry Investig. 2023;20(9):861-869.

Objective Individuals with dementia are at a substantially elevated risk for mortality; however, few studies have examined multimorbidity patterns and determined the inter-relationship between these comorbidities in predicting mortality risk. Methods...

Original Article

September 19, 2023

The Effect of Fear of COVID-19 Infection and Anxiety on Loneliness: Moderated Mediation Effects of Gratitude

Seong-Eun Jeon, Seunghyong Ryu, Ju-Yeon Lee, Jae-Min Kim, Sung-Wan Kim, Young-Shin Kang

Psychiatry Investig. 2023;20(9):870-879.

Objective This study was conducted to identify factors related to loneliness during the coronavirus disease-2019 (COVID-19) pandemic and focused on how the fear of COVID-19 infection affects loneliness and the...

Original Article

September 19, 2023

Sleep Reactivity and Sleep Efforts in Shift Workers

Yunjee Hwang, Hyeyeon Jang, Jooyoung Lee, Sehyun Jeon, Jichul Kim, Somi Lee, Seog Ju Kim

Psychiatry Investig. 2023;20(9):880-887.

Objective The current study aimed to investigate the differences in sleep reactivity and sleep effort differs among late night shift workers (LSWs) and non-late night shift workers (non-LSWs), and non-shift...

Original Article

September 19, 2023

Superior Vena Cava Flow in Children With Attention Deficit Hyperactivity Disorder

Muhammed Karabulut, Kübra Yıldırım

Psychiatry Investig. 2023;20(9):888-895.

Objective Attention deficit/hyperactivity disorder (ADHD), whose definition, diagnosis and treatment has been the subject of debate in the scientific community for a long time, is the most common neurobehavioral disorder...