In the context of the global outbreak of COVID-19, there is an urgent need to explore the effects of this pandemic on the mental health of adolescents. The present study aims to adapt and validate a Japanese-version Fear of COVID-19 Scale (FCV-19S) with a sample of adolescent students from Japan. To this end, the Japanese-version FCV-19S, Generalized Anxiety Disorder 7-item scale (GAD-7), Patient Health Questionnaire for Adolescents (PHQ-A), and Perceived Vulnerability to Disease Scale (PVDS) were administered to a sample of Japanese adolescents in schools. The results of statistical analyses revealed that the Japanese-version FCV-19S has a bi-factor model consisting of the emotional response factor and the physiological response factor, with high reliability (emotional: α = .71; physiological: α = .82). Constructive validity was shown by the significant positive correlation between the GAD-7 and emotional (r = .11) and physiological response (r = .25), between PHQ-A and physiological response (r = .19), and between both factors and the PVDS subscale (rs > .16). Taken together, these results indicate that the Japanese-version FCV-19S has a high internal consistency and a moderately good construct validity.

In the context of the global outbreak of COVID-19, there is an urgent need to explore the effects of this pandemic on the mental health of adolescents. The present study aims to adapt and validate a Japanese-version Fear of COVID-19 Scale (FCV-19S) with a sample of adolescent students from Japan. To this end, the Japanese-version FCV-19S, Generalized Anxiety Disorder 7-item scale (GAD-7), Patient Health Questionnaire for Adolescents (PHQ-A), and Perceived Vulnerability to Disease Scale (PVDS) were administered to a sample of Japanese adolescents in schools. The results of statistical analyses revealed that the Japanese-version FCV-19S has a bi-factor model consisting of the emotional response factor and the physiological response factor, with a high reliability (emotional: α = .71; physiological: α = .82). Constructive validity was shown by the significant positive correlation between the GAD-7 and emotional (r = .11) and physiological response (r = .25), between PHQ-A and physiological response (r = .19), as well as between both factors and the PVDS subscale (rs > .16). Taken together, these results indicate that the Japanese-version FCV-19S has a high internal consistency and a moderately good construct validity.

Early diagnosis before the patient's general condition deteriorates is a key to improving the early mortality associated with nontraumatic colorectal perforation, especially in patients with concomitant end-stage renal failure.

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Purpose of Review Research has indicated that loot boxes are risky gaming components that could exacerbate Internet gaming disorder due to a link between loot box purchasing and gambling. We conducted a systematic review to identify the characteristics of people who purchase loot boxes with real money, focusing on the relationships (a) between loot boxes and gaming, (b) between loot boxes and gambling, and (c) between loot boxes and other variables. Recent Findings Of the 201 studies examined for eligibility, we reviewed 20 studies that met the predefined criteria, which were extracted by searching electronic databases (PsycINFO, PubMed, Ovid, EBSCO, and Web of Science) and the reference lists of included studies, and that were published up to March 27, 2021. Overall, this review identified positive relationships among Internet gaming disorder-related symptoms, disordered gambling symptoms, and engagement with, or investment in, loot boxes. In addition to gaming and gambling, the relationships among some variables, such as mood, gender, physiological state, motivation, and loot box engagement, were examined. Summary The present review clarified relationships between loot box engagement, gaming, gambling, and other variables, such as mood, gender, physiological state, and motivation, and partially identified the characteristics of people who purchase loot boxes using real money. Specifically, those who spend more money in-game on loot boxes exhibit Internet gaming-related and/ or disordered gambling symptoms and behaviors. Finally, we discussed future directions for clinical psychological studies on loot boxes.