{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T23:18:26Z","timestamp":1791501506266,"version":"4.3.4"},"reference-count":35,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2021,9,20]],"date-time":"2021-09-20T00:00:00Z","timestamp":1632096000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Sleep Research"],"published-print":{"date-parts":[[2022,4]]},"abstract":"<jats:title>Summary<\/jats:title><jats:p>The present analysis examined the test\u2013retest reliability of the Epworth Sleepiness Scale in participants with excessive daytime sleepiness associated with narcolepsy or obstructive sleep apnea in three clinical trials. Intraclass correlation coefficient estimates for Epworth Sleepiness Scale scores from two solriamfetol 12\u2010week placebo\u2010controlled trials (one narcolepsy, one obstructive sleep apnea) and one long\u2010term open\u2010label extension trial (narcolepsy or obstructive sleep apnea) were calculated using postbaseline time\u2010point pairs for the overall population in each trial, by treatment, and by primary obstructive sleep apnea therapy adherence. In the 12\u2010week narcolepsy trial, intraclass correlation coefficients (95% confidence intervals) were 0.83 (0.79, 0.87) for weeks 4 and 8 (<jats:italic>n<\/jats:italic>\u00a0=\u00a0199), 0.87 (0.83, 0.90) for weeks 8 and 12 (<jats:italic>n<\/jats:italic>\u00a0=\u00a0196), and 0.81 (0.76, 0.85) for weeks 4 and 12 (<jats:italic>n<\/jats:italic>\u00a0=\u00a0196). In the 12\u2010week obstructive sleep apnea trial, intraclass correlation coefficients (95% confidence intervals) were 0.74 (0.69, 0.78) (<jats:italic>n<\/jats:italic>\u00a0=\u00a0416), 0.80 (0.76, 0.83) (<jats:italic>n<\/jats:italic>\u00a0=\u00a0405), and 0.74 (0.69, 0.78) (<jats:italic>n<\/jats:italic>\u00a0=\u00a0405), respectively. In the open\u2010label extension trial, intraclass correlation coefficients (95% confidence intervals) were 0.82 (0.79, 0.85) for weeks 14 and 26\/27 (<jats:italic>n<\/jats:italic>\u00a0=\u00a0495), 0.85 (0.82, 0.87) for weeks 26\/27 and 39\/40 (<jats:italic>n<\/jats:italic>\u00a0=\u00a0463), and 0.78 (0.74, 0.81) for weeks 14 and 39\/40 (<jats:italic>n<\/jats:italic>\u00a0=\u00a0463). Placebo\/solriamfetol treatment or adherence to primary obstructive sleep apnea therapy did not affect reliability. In conclusion, across three large clinical trials of participants with narcolepsy or obstructive sleep apnea, Epworth Sleepiness Scale scores demonstrated a robust acceptable level of test\u2013retest reliability in evaluating treatment response over time.<\/jats:p>","DOI":"10.1111\/jsr.13476","type":"journal-article","created":{"date-parts":[[2021,9,21]],"date-time":"2021-09-21T06:39:21Z","timestamp":1632206361000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":29,"title":["Test\u2013retest reliability of the Epworth Sleepiness Scale in clinical trial settings"],"prefix":"10.1111","volume":"31","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6463-0082","authenticated-orcid":false,"given":"Russell","family":"Rosenberg","sequence":"first","affiliation":[{"name":"NeuroTrials Research  Atlanta GA USA"},{"name":"Atlanta School of Sleep Medicine  Atlanta GA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kimberly","family":"Babson","sequence":"additional","affiliation":[{"name":"Jazz Pharmaceuticals  Palo Alto CA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Diane","family":"Menno","sequence":"additional","affiliation":[{"name":"Jazz Pharmaceuticals  Palo Alto CA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Susan","family":"Morris","sequence":"additional","affiliation":[{"name":"Jazz Pharmaceuticals  Palo Alto CA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michelle","family":"Baladi","sequence":"additional","affiliation":[{"name":"Jazz Pharmaceuticals  Palo Alto CA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Danielle","family":"Hyman","sequence":"additional","affiliation":[{"name":"Jazz Pharmaceuticals  Palo Alto CA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jed","family":"Black","sequence":"additional","affiliation":[{"name":"Stanford Center for Sleep Sciences and Medicine  Palo Alto CA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2021,9,20]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jegh.2014.04.004"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1093\/sleep\/28.4.464"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.5664\/jcsm.27935"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.sleep.2015.05.013"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1080\/15402002.2012.654549"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.5664\/jcsm.7108"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.1136\/thoraxjnl\u20102018\u2010211959"},{"key":"e_1_2_9_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/s1474\u20104422(13)70225\u20104"},{"key":"e_1_2_9_10_1","doi-asserted-by":"publisher","DOI":"10.1164\/rccm.201907\u20101284OC"},{"key":"e_1_2_9_11_1","doi-asserted-by":"publisher","DOI":"10.1185\/030079906x100050"},{"key":"e_1_2_9_12_1","doi-asserted-by":"publisher","DOI":"10.1093\/sleep\/14.6.540"},{"key":"e_1_2_9_13_1","doi-asserted-by":"publisher","DOI":"10.1093\/sleep\/15.4.376"},{"key":"e_1_2_9_14_1","doi-asserted-by":"publisher","DOI":"10.1093\/sleep\/20.10.844"},{"key":"e_1_2_9_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.smrv.2013.08.002"},{"key":"e_1_2_9_16_1","doi-asserted-by":"publisher","DOI":"10.1093\/sleep\/29.11.1503"},{"key":"e_1_2_9_17_1","doi-asserted-by":"publisher","DOI":"10.1111\/jsr.13019"},{"key":"e_1_2_9_18_1","doi-asserted-by":"publisher","DOI":"10.1093\/sleep\/zsz220"},{"key":"e_1_2_9_19_1","doi-asserted-by":"publisher","DOI":"10.5664\/jcsm.26512"},{"key":"e_1_2_9_20_1","doi-asserted-by":"publisher","DOI":"10.1164\/rccm.201704\u20100672LE"},{"key":"e_1_2_9_21_1","doi-asserted-by":"publisher","DOI":"10.1016\/s2352\u20104642(18)30133\u20100"},{"key":"e_1_2_9_22_1","doi-asserted-by":"publisher","DOI":"10.1111\/jsr.13277"},{"key":"e_1_2_9_23_1","doi-asserted-by":"publisher","DOI":"10.5665\/sleep.5968"},{"key":"e_1_2_9_24_1","doi-asserted-by":"publisher","DOI":"10.1164\/rccm.201806\u20101100OC"},{"key":"e_1_2_9_25_1","doi-asserted-by":"publisher","DOI":"10.1037\/\/0033\u20102909.86.2.420"},{"key":"e_1_2_9_26_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.chest.2018.11.005"},{"key":"e_1_2_9_27_1","unstructured":"Sunosi\u2122 (solriamfetol) tablets Prescribing Information(2019).Jazz Pharmaceuticals Inc. 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