Prevalence of Essential Tremor in Araihazar, Bangladesh: A Population-Based Study

BACKGROUND: Essential tremor (ET) is one of the most common neurological diseases. Few prevalence studies have been conducted in South Asia, and none in Bangladesh, one of the most populated countries in the world. We estimated the prevalence of ET in a population-based study in Araihazar, Bangladesh. METHODS: As part of an in-person evaluation in a health outcomes study, each study participant produced 2 handwriting samples, from which ET diagnoses were assigned by 2 independent movement disorder neurologists. RESULTS: The crude prevalence of ET (age ≥18 years) was 19/1,229 [1.5%, 95% confidence interval (CI) = 1.0-2.4], and was similar in men and women. The crude prevalence was 2.5% in participants aged ≥40 years and was one half that (1.3%) among…