Abstract
Objective
Elder abuse (EA) is a critical social, health, and economic issue worldwide. To date, there is limited information on EA in certain similar culture-specific subpopulations, especially in East Asia. This study aims to summarize EA incidence in East Asia through a systematic review and meta-analysis and identify its variations and heterogeneity in the incidence estimates.
Methods/Design
The study followed the Preferred Reporting Items for Systematic reviews and Meta-Analyses protocol. Systematic review registration number PROSPERO CRD42020197131. A systematic literature search was performed to identify relevant articles published before July 5th, 2020, from six electronic databases. Two reviewers screened for relevance of the studies against eligible criteria and assessed the bias of the included studies independently. A random-effect model was adopted to estimate the incidence of EA, followed by subgroup analyses and multi meta-regression. Sensitivity and publication bias tests were performed to verify the robustness of the meta-analysis by Stata version 15.1.
Results
Twelve eligible studies were included in the meta-analysis, which involved 79395 subjects from 3 East Asian countries (China, Japan, and South Korea) ranging from 2004 to 2020. The overall incidence of EA was 78.33per 1000 person-year (95%CI: 39.12-156.87) with high between-study variability (χ2=15568, d.f.=11, P＜0.001; I2=99.9%). The sampling method, sample size, scope, instrument, data collection method, income classification, types of participants, and urbanity are all the sources of heterogeneity, which can explain nearly 100% of the variance between studies.
Conclusions
The incidence of EA in this study is not as high as the global level. It may be furtherly underestimated in East Asia due to cultural norms. It is imperative to develop a culture-tailored EA assessment instrument to evaluate potential victims. Future studies should also identify more effective educational programs to raise the public’s awareness and promote recognition ability.
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