{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,17]],"date-time":"2026-07-17T02:31:33Z","timestamp":1784255493091,"version":"3.55.0"},"reference-count":0,"publisher":"S. Karger AG","issue":"1","license":[{"start":{"date-parts":[[2015,12,17]],"date-time":"2015-12-17T00:00:00Z","timestamp":1450310400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.karger.com\/Services\/SiteLicenses"},{"start":{"date-parts":[[2015,12,17]],"date-time":"2015-12-17T00:00:00Z","timestamp":1450310400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.karger.com\/Services\/SiteLicenses"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Neuroepidemiology"],"published-print":{"date-parts":[[2016]]},"abstract":"<jats:p>&lt;b&gt;&lt;i&gt;Background:&lt;\/i&gt;&lt;\/b&gt; There are nearly no published screening instruments for essential tremor (ET). This is a remarkable fact, given its high prevalence. Here, we assess the validity of a screening questionnaire and hand-drawn spirals and also estimate the prevalence of ET in a community sample. &lt;b&gt;&lt;i&gt;Methods:&lt;\/i&gt;&lt;\/b&gt; Four hundred nineteen study subjects living in a geographically defined area in the New York metropolitan area were contacted using a random digit telephone dialing scheme. Seven tremor screening questions were administered and each subject drew 2 spirals. A movement disorders neurologist assigned ET diagnoses based on neurological examination. &lt;b&gt;&lt;i&gt;Results:&lt;\/i&gt;&lt;\/b&gt; The spirals were a more sensitive test than the screening questions (73.7 vs. 26.3%); specificities of the 2 tests were similar (95.5 vs. 96.8%). The combination of both tests was not superior to the use of spirals alone. The positive predictive value of the spiral test was 43.8%. The crude prevalence of ET, 19 of 419 (4.53%, 95% CI 2.92-6.97), increased with age (p = 0.049). &lt;b&gt;&lt;i&gt;Conclusions:&lt;\/i&gt;&lt;\/b&gt; A screening spiral was more sensitive than a screening questionnaire for ET and was moderately sensitive. Nearly one-half of subjects who screened positive had ET; therefore, when screening a population, one can expect the number of true positives and false positives to be roughly equivalent.<\/jats:p>","DOI":"10.1159\/000442576","type":"journal-article","created":{"date-parts":[[2015,12,16]],"date-time":"2015-12-16T22:02:01Z","timestamp":1450303321000},"page":"51-56","source":"Crossref","is-referenced-by-count":8,"title":["Screening for and Estimating the Prevalence of Essential Tremor: A Random-Digit Dialing-Based Study in the New York Metropolitan Area"],"prefix":"10.1159","volume":"46","author":[{"given":"Elan D.","family":"Louis","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pam","family":"Factor-Litvak","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"127","published-online":{"date-parts":[[2015,12,17]]},"container-title":["Neuroepidemiology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.karger.com\/Article\/Pdf\/442576","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.karger.com\/Article\/Pdf\/442576","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,4,23]],"date-time":"2025-04-23T18:10:28Z","timestamp":1745431828000},"score":1,"resource":{"primary":{"URL":"https:\/\/karger.com\/article\/doi\/10.1159\/000442576"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2015,12,17]]},"references-count":0,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2016,2,1]]},"published-print":{"date-parts":[[2016,2,2]]}},"URL":"https:\/\/doi.org\/10.1159\/000442576","archive":["Portico"],"relation":{},"ISSN":["0251-5350","1423-0208"],"issn-type":[{"value":"0251-5350","type":"print"},{"value":"1423-0208","type":"electronic"}],"subject":[],"published":{"date-parts":[[2015,12,17]]}}}