Abstract
ObjectiveThe primary objective was to translate the Recovering Quality of Life (ReQoL) measures from English to traditional Chinese and assess their psychometric properties in Hong Kong (HK) Chinese population. The secondary objective was to investigate the mental health-related quality of life (HRQoL) of this sample during the coronavirus disease 2019 (COVID-19) pandemic.MethodRecovering Quality of Life was translated to Traditional Chinese adhering to standard guideline recommended by the official distributors. Five hundred members of the general population were successfully recruited to participate in a telephone-based survey. The following psychometric properties of the ReQoL were evaluated: construct, convergent, and known-group validity and internal consistency and test–retest reliability. The item measurement invariance was assessed on the basis of differential item functioning (DIF). Multiple regression analysis was used to assess the relationship between respondents’ characteristics and mental HRQoL.ResultsResults of confirmatory factor analysis (CFA) supported a two-factor structure of the ReQoL. The ReQoL showed significant correlations with the other mental health, quality of life, and well-being measures, which indicated a satisfactory convergent validity. Known-group validity confirmed that ReQoL is able to differentiate between people with different mental health status. The (Cronbach’s alpha = 0.91 and 0.76 for positive [PF] and negative [NF] factor), and McDonald’s omega of 0.89 (PF = 0.94, NF = 0.82) indicated the ReQoL has good reliability as well as test–retest reliability with an intraclass correlation coefficient of 0.75. Four items showed negligible DIF with respect to age. Respondents who were highly educated and without psychological problems reported a high ReQoL score.ConclusionTraditional Chinese ReQoL was shown to be a valid and reliable instrument to assess the recovery-focused quality of life in HK general population. Future studies are needed to appraise its psychometric properties in local people experiencing mental disorders.
Highlights
Health-related quality of life (HRQoL) captures an individual’s or population’s perceived physical and mental health status over time (Wong et al, 2020)
Cognitive debriefing was conducted with ten members of the general population who were invited to comment on the response options and any wording they found difficult in understanding the Recovering Quality of Life (ReQoL)-TC
Considering the results of confirmatory factor analysis (CFA) and the bifactor structure reported by the original study, we concluded that the bi-factor model outperformed the two-factor model in this sample of Hong Kong (HK) general population
Summary
Health-related quality of life (HRQoL) captures an individual’s or population’s perceived physical and mental health status over time (Wong et al, 2020). It can provide comprehensive information on the burden of preventable diseases, injuries, and disabilities from the perspective of person-centered care (Yin et al, 2016). HRQoL is assessed by using patient reported-outcome measures (PROMs), which include multiple items reflecting people’s self-perceived physical and emotional functioning and health status. In evaluating the outcomes of mental care, promoting “recovery,” which reflects the extent to predict the changes in HRQoL (Garner et al, 2014), has drawn increasing professional attention, and emerged as a new paradigm to assess the full journey of people in overcoming the detrimental effects of mental problems (Ellison et al, 2016). Mental health recovery is a self-directed process of healing and transformation (Deegan, 2002), which is promoted through an interaction between individual experience, community environment and social engagement
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