Background: Hoarding disorder is a chronic and debilitating illness associated with restrictions on activities of daily living, compromised social and occupational functioning, and adverse health outcomes. However, researchers lack a brief and self-administered screening measurement to assess compulsive hoarding in the Chinese speaking population. This study aimed to adapt and validate the Hoarding Rating Scale-Interview (HRS-I) to as a tool for screening compulsive hoarding behavior in Chinese population. Methods: This study comprised two phases. During Phase 1, the English-language HRS-I was translated into Chinese (CHRS) (comprehensible for most Chinese speaking population, e.g., Cantonese & Mandarin) and subjected to an equivalence check. In Phase 2, the CHRS was validated by examining internal consistency, stability, and construct validity. Different samples were used appropriately to verify the items and reflect the psychometric properties. Results: In Phase 1, the CHRS yielded satisfactory content (S-CVI = 0.93) and face validity ratings (comprehensibility = 100%, N = 20 participants of general public with age 18-72) and the English and Chinese versions were found to be equivalent (ICC = 0.887; N = 60 university staff and students). Phase 2 revealed satisfactory levels of internal consistency (Cronbach's α = 0.86; corrected item-total correlation = 0.60-0.74; N = 820 participants of general public), 2-week test-retest reliability (ICC = 0.78; N = 60 university students), and construct validity (onefactor CFA solution matched with the hypothesized model, χ 2 /d.f. = 2.26, RMSEA = 0.049, CFI = 0.99, IFI = 0.99, NFI = 0.99; n = 520 participants of general public). Conclusions: This study provides sufficient evidence of the reliability and validity of the CHRS for compulsive hoarding behavior screening in the Chinese population through self-administered method.

ObjectiveVaccination is recognised as the most effective approach to contain the spread of the COVID-19 pandemic in the long run. However, the global vaccination uptake is still suboptimal. Although a considerable number of studies have focused on factors influencing intention or acceptance of COVID-19 vaccination, few explore the factors that affect actual vaccination uptake. This study aimed to explore the factors influencing COVID-19 vaccination uptake among the general public in a developed country.DesignA cross-sectional online survey was conducted between June and August 2021.Setting and participantsCommunity members in Hong Kong were recruited through convenient and snowball sampling to complete an anonymous online survey.Outcome measuresThe outcomes of this study included participants’ sociodemographic characteristics, vaccination status and perceived impact of COVID-19, and their attitudes towards COVID-19.ResultsA total of 358 valid questionnaires were received. The results showed that 50.8% of the participants received two doses of the vaccine. Multivariable logistic regression analysis suggested that the participants’ vaccination uptake was associated with their jobs affected by COVID-19, had an income source, perceived good/excellent physical health status, perceived COVID-19 exposure, perceived good/excellent knowledge of COVID-19, learnt about the vaccine from printed materials and perceived that their family members were at risk of contracting COVID-19.ConclusionsThis is one of the first few cross-sectional studies that explored factors associated with the actual vaccination uptake of the general public during the COVID-19 pandemic. The results can provide insights for formulating strategies to increase COVID-19 vaccination rates in developed countries.

IntroductionPeople with depression often experience disabilities that limit their social and physical capacity, daily function, and quality of life. Depressive symptoms and their implications on daily activities are often measured retrospectively using subjective measurement tools. Recently, more objective and accurate electronic data collection methods have been used to describe the daily life of people with depressive disorders. The results, however, have not yet been systematically reviewed. We aim to provide a knowledge basis for the use of tracking technologies in examining life-space mobility among adults with depression and those with anxiety as a comorbidity.Methods and analysisA systematic review with a narrative approach for different types of study design will be conducted. The following databases will be used to gather data from 1994 to the present: MEDLINE, Cumulative Index to Nursing and Allied Health Literature, PsycINFO, Embase, Cochrane Library, Scopus, Web of Science, Health Technology Assessment Database and IEEE Xplore. The study selection will follow the Preferred Reporting Items for Systematic Review and Meta-Analysis Protocols. Methodological appraisal of studies will be performed using the Crowe Critical Appraisal Tool as well as the Cochrane Risk-of-Bias Tool for randomised controlled trials. A narrative synthesis of all included studies will be conducted.Ethics and disseminationBecause there will be no human involvement in the actual systematic review, no ethical approval will be required. The results will be disseminated in a peer-reviewed journal and in a conference presentation.PROSPERO registration numberCRD42019127102.

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Background: Hoarding disorder is a chronic and debilitating illness associated with restrictions on activities of daily living, compromised social and occupational functioning, and adverse health outcomes. However, researchers lack a brief and self-administered screening measurement to assess compulsive hoarding in the Chinese speaking population. This study aimed to adapt and validate the Hoarding Rating Scale-Interview (HRS-I) to as a tool for screening compulsive hoarding behavior in Chinese population.Methods: This study comprised two phases. During Phase 1, the English-language HRS-I was translated into Chinese (CHRS) (comprehensible for most Chinese speaking population, e.g., Cantonese & Mandarin) and subjected to an equivalence check. In Phase 2, the CHRS was validated by examining internal consistency, stability, and construct validity. Different samples were used appropriately to verify the items and reflect the psychometric properties. Results: In Phase 1, the CHRS yielded satisfactory content (CVI/AVE = 0.93) and face validity ratings (comprehensibility = 100%, N = 20 participants of general public with age 18-72) and the English and Chinese versions were found to be equivalent (ICC = 0.887; N = 60 university students and staff). Phase 2 revealed satisfactory levels of internal consistency (α=0.86; corrected item-total correlation = 0.60–0.74; N = 820 participants of general public), 2-week test-retest reliability (ICC = 0.78; N = 60 university students), and construct validity (one-factor CFA solution matched with the hypothesized model, χ2/d.f. = 2.26, CFI = 0.99, NFI = 0.99, RMSEA = 0.049, IFI = 0.99; n = 520 participants of general public). Conclusions: This study provides sufficient evidence of the reliability and validity of the CHRS for compulsive hoarding behavior screening in the Chinese population through self-administered method.