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Table 3 Community-based prevalence studies of RBD

From: REM sleep behavior disorder was associated with Parkinson’s disease: a community-based study

References Year Country Subjects Diagnostic methods Prevalence of RBD 95 % CI
Chiu et al [10] 2000 Hong Kong A representative sample of 1034 elderly, aged 70 years or above Screening question, and those who had positive response underwent sleep studies 0.38 % 0.01 % to 0.76 %
Ohayon et al [9] 1994–2000 Finland, Germany, Italy, Portugal, Spain and the United Kingdom A random stratified sample of 19,961 participants from the general population, 15 years and older telephone interview 1.7 % 1.5 % to 1.8 %
Kang et al [11] 2010 Korea Among 696 random sampling subjects aged 60 years or older, 348 subjects underwent vPSG vPSG 2.01 % 0.54 % to 3.49 %
Mahlknecht
et al [17]
2015 Caucasian population
(Bruneck Study Cohort)
456 participants without Parkinson’s disease
456 participants without Parkinson’s disease
456 participants without Parkinson’s disease,
456 participants without PD aged 60 years or older
RBDSQ
RBD-I
4.6 %
7.7 %
3.0 % to 7.0 %
5.6 %–10.5 %
Our study 2013 China A door-to-door survey including 31202 residents RBD1Q-C 4.9 % 4.6 % to 5.1 %