{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,25]],"date-time":"2026-03-25T19:26:05Z","timestamp":1774466765553,"version":"3.50.1"},"reference-count":25,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2025,12,15]],"date-time":"2025-12-15T00:00:00Z","timestamp":1765756800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"},{"start":{"date-parts":[[2025,12,15]],"date-time":"2025-12-15T00:00:00Z","timestamp":1765756800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"}],"funder":[{"DOI":"10.13039\/501100001691","name":"Japan Society for the Promotion of Science","doi-asserted-by":"publisher","award":["22H00496"],"award-info":[{"award-number":["22H00496"]}],"id":[{"id":"10.13039\/501100001691","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Sleep Breath"],"published-print":{"date-parts":[[2026,3]]},"DOI":"10.1007\/s11325-025-03559-x","type":"journal-article","created":{"date-parts":[[2025,12,15]],"date-time":"2025-12-15T14:17:00Z","timestamp":1765808220000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Disparities in sleep medicine in Japan: association between CPAP prescriptions and the number of certified sleep medicine providers"],"prefix":"10.1007","volume":"30","author":[{"given":"Yoshihito","family":"Kameda","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hiroo","family":"Wada","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Harunari","family":"Suzuki","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kenji","family":"Shimamura","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Teru","family":"Masumizu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuito","family":"Ueda","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qinye","family":"Zhu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3373-4492","authenticated-orcid":false,"given":"Takeshi","family":"Tanigawa","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2025,12,15]]},"reference":[{"issue":"6","key":"3559_CR1","doi-asserted-by":"publisher","first-page":"1483","DOI":"10.5664\/jcsm.10036","volume":"18","author":"NA Collop","year":"2022","unstructured":"Collop NA, DelRosso LM, Johnson DA (2022) Committed to equity: new collection aims to understand disparities in sleep research. J Clin Sleep Med 18(6):1483\u20131484. https:\/\/doi.org\/10.5664\/jcsm.10036","journal-title":"J Clin Sleep Med"},{"key":"3559_CR2","doi-asserted-by":"publisher","first-page":"81","DOI":"10.1146\/annurev-publhealth-040119-094412","volume":"41","author":"L Hale","year":"2020","unstructured":"Hale L, Troxel WM, Buysse DJ (2020) Sleep health: an opportunity for public health to address health equity. Annu Rev Public Health 41:81\u201399","journal-title":"Annu Rev Public Health"},{"key":"3559_CR3","doi-asserted-by":"publisher","first-page":"1232","DOI":"10.1016\/j.chest.2020.09.249","volume":"159","author":"ME Billings","year":"2020","unstructured":"Billings ME, Cohen RT, Baldwin CM, Johnson DA, Palen BN, Parthasarathy S et al (2020) Disparities in sleep health and potential intervention models. Chest 159:1232\u20131240","journal-title":"Chest"},{"issue":"3","key":"3559_CR4","doi-asserted-by":"publisher","first-page":"421","DOI":"10.5664\/jcsm.8914","volume":"17","author":"GL Dunietz","year":"2021","unstructured":"Dunietz GL, Yu Y, Levine RS, Conceicao AS, Burke JF, Chervin RD et al (2021) Obstructive sleep apnea in older adults: geographic disparities in PAP treatment and adherence. J Clin Sleep Med 17(3):421\u2013427. https:\/\/doi.org\/10.5664\/jcsm.8914","journal-title":"J Clin Sleep Med"},{"key":"3559_CR5","doi-asserted-by":"publisher","DOI":"10.1093\/sleep\/zsab024","author":"BA Moore","year":"2021","unstructured":"Moore BA, Tison LM, Palacios JG, Peterson AL, Mysliwiec V (2021) Incidence of insomnia and obstructive sleep apnea in active duty United States military service members. Sleep. https:\/\/doi.org\/10.1093\/sleep\/zsab024","journal-title":"Sleep"},{"issue":"1","key":"3559_CR6","doi-asserted-by":"publisher","first-page":"e0245392","DOI":"10.1371\/journal.pone.0245392","volume":"16","author":"L Mandereau-Bruno","year":"2021","unstructured":"Mandereau-Bruno L, L\u00e9ger D, Delmas MC (2021) Obstructive sleep apnea: a sharp increase in the prevalence of patients treated with nasal CPAP over the last decade in France. PLoS One 16(1):e0245392. https:\/\/doi.org\/10.1371\/journal.pone.0245392","journal-title":"PLoS One"},{"issue":"1","key":"3559_CR7","first-page":"23","volume":"61","author":"T Shimizu","year":"2012","unstructured":"Shimizu T (2012) The Japanese society of sleep research\u2019s certification system for sleep medicine and its policy of human resources development. J Natl Inst Public Health 61(1):23\u201328","journal-title":"J Natl Inst Public Health"},{"key":"3559_CR8","unstructured":"Japanese Society of Sleep Research Sleep Medicine Accreditation Relevant regulations\/forms, etc. Available from: https:\/\/jssr.jp\/format (accessed 2024-8-23) [in Japanese]"},{"issue":"10","key":"3559_CR9","doi-asserted-by":"publisher","first-page":"e0291673","DOI":"10.1371\/journal.pone.0291673","volume":"18","author":"A Sako","year":"2023","unstructured":"Sako A, Gu Y, Masui Y, Yoshimura K, Yanai H, Ohmagari N (2023) Prescription of anti-influenza drugs in Japan, 2014\u20132020: a retrospective study using open data from the National claims database. PLoS One 18(10):e0291673. https:\/\/doi.org\/10.1371\/journal.pone.0291673","journal-title":"PLoS One"},{"issue":"1","key":"3559_CR10","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1620\/tjem.251.1","volume":"251","author":"R Ikesu","year":"2020","unstructured":"Ikesu R, Miyawaki A, Kobayashi Y (2020) Physician distribution by specialty and practice setting: findings in Japan in 2000, 2010 and 2016. Tohoku J Exp Med 251(1):1\u20138. https:\/\/doi.org\/10.1620\/tjem.251.1","journal-title":"Tohoku J Exp Med"},{"key":"3559_CR11","unstructured":"Board Certification ABMS, Medical Specialties (2023) Report 2022\u20132023. American Board of ; Available from: https:\/\/www.abms.org\/wp-content\/uploads\/2023\/11\/abms-board-certification-report-2022-2023.pdf (accessed 2025-10-16)"},{"key":"3559_CR12","doi-asserted-by":"publisher","unstructured":"Johnson DA, Guo N, Rueschman M, Wang R, Wilson JG, Redline S (2018) Prevalence and correlates of obstructive sleep apnea among African americans: the Jackson heart sleep study. Sleep 41(10). https:\/\/doi.org\/10.1093\/sleep\/zsy154","DOI":"10.1093\/sleep\/zsy154"},{"issue":"3","key":"3559_CR13","doi-asserted-by":"publisher","first-page":"335","DOI":"10.1164\/rccm.201309-1735OC","volume":"189","author":"S Redline","year":"2014","unstructured":"Redline S, Sotres-Alvarez D, Loredo J, Hall M, Patel SR, Ramos A et al (2014) Sleep-disordered breathing in Hispanic\/Latino individuals of diverse backgrounds. The Hispanic community health study\/study of Latinos. Am J Respir Crit Care Med 189(3):335\u2013344. https:\/\/doi.org\/10.1164\/rccm.201309-1735OC","journal-title":"Am J Respir Crit Care Med"},{"issue":"12","key":"3559_CR14","doi-asserted-by":"publisher","first-page":"zsaa122","DOI":"10.1093\/sleep\/zsaa122","volume":"43","author":"EM Wickwire","year":"2020","unstructured":"Wickwire EM, Jobe SL, Oldstone LM, Scharf SM, Johnson AM, Albrecht JS (2020) Lower socioeconomic status and co-morbid conditions are associated with reduced continuous positive airway pressure adherence among older adult medicare beneficiaries with obstructive sleep apnea. Sleep 43(12):zsaa122. https:\/\/doi.org\/10.1093\/sleep\/zsaa122","journal-title":"Sleep"},{"issue":"4","key":"3559_CR15","doi-asserted-by":"publisher","first-page":"1481","DOI":"10.1016\/j.chest.2021.04.064","volume":"160","author":"A Palm","year":"2021","unstructured":"Palm A, Grote L, Theorell-Hagl\u00f6w J, Ljunggren M, Sundh J, Midgren B et al (2021) Socioeconomic factors and adherence to CPAP: the Population-Based course of disease in patients reported to the Swedish CPAP oxygen and ventilator registry study. Chest 160(4):1481\u20131491. https:\/\/doi.org\/10.1016\/j.chest.2021.04.064","journal-title":"Chest"},{"issue":"17","key":"3559_CR16","doi-asserted-by":"publisher","DOI":"10.3390\/healthcare12171772","volume":"12","author":"D Lykouras","year":"2024","unstructured":"Lykouras D, Zarkadi E, Koulousousa E, Lagiou O, Komninos D, Tzouvelekis A, Karkoulias K (2024) Factors affecting CPAP adherence in an OSA population during the first two years of the COVID-19 pandemic. Healthcare 12(17):1772. https:\/\/doi.org\/10.3390\/healthcare12171772","journal-title":"Healthcare"},{"key":"3559_CR17","doi-asserted-by":"publisher","first-page":"215","DOI":"10.1046\/j.1446-9235.2003.00057.x","volume":"1","author":"N Tachibana","year":"2003","unstructured":"Tachibana N, Ayas NT, White DP (2003) Japanese versus USA clinical services for sleep medicine. Sleep Biol Rhythms 1:215\u2013220","journal-title":"Sleep Biol Rhythms"},{"key":"3559_CR18","unstructured":"American Board of Medical Specialties Available from: https:\/\/www.abms.org\/ (accessed 2025-10-16)"},{"issue":"1","key":"3559_CR19","doi-asserted-by":"publisher","first-page":"1087","DOI":"10.1186\/s12909-025-07707-5","volume":"25","author":"Y Yamamoto","year":"2025","unstructured":"Yamamoto Y, Hatakeyama S, Matsumura M, Koike S (2025) Impact of the new Japanese medical specialty system on residents\u2019 career choices in general medicine: a nationwide cross-sectional study. BMC Med Educ 25(1):1087. https:\/\/doi.org\/10.1186\/s12909-025-07707-5","journal-title":"BMC Med Educ"},{"issue":"4","key":"3559_CR20","doi-asserted-by":"publisher","first-page":"300","DOI":"10.1001\/jama.2024.5268","volume":"332","author":"BM Gray","year":"2024","unstructured":"Gray BM, Vandergrift JL, Stevens JP, Lipner RS, McDonald FS, Landon BE (2024) Associations of internal medicine residency milestone ratings and certification examination scores with patient outcomes. JAMA 332(4):300\u2013309. https:\/\/doi.org\/10.1001\/jama.2024.5268","journal-title":"JAMA"},{"issue":"4","key":"3559_CR21","doi-asserted-by":"publisher","first-page":"e055558","DOI":"10.1136\/bmjopen-2021-055558","volume":"12","author":"JJ Norcini","year":"2022","unstructured":"Norcini JJ, Weng W, Boulet J, McDonald F, Lipner RS (2022) Associations between initial American board of internal medicine certification and maintenance of certification status of attending physicians and in-hospital mortality of patients with acute myocardial infarction or congestive heart failure: a retrospective cohort study of hospitalisations in Pennsylvania, USA. BMJ Open 12(4):e055558. https:\/\/doi.org\/10.1136\/bmjopen-2021-055558","journal-title":"BMJ Open"},{"issue":"2","key":"3559_CR22","doi-asserted-by":"publisher","first-page":"97","DOI":"10.7326\/M16-2643","volume":"169","author":"B Gray","year":"2018","unstructured":"Gray B, Vandergrift J, Landon B, Reschovsky J, Lipner R (2018) Associations between American Board of Internal Medicine maintenance of certification status and performance on a set of Healthcare Effectiveness Data and Information Set (HEDIS) process measures. Ann Intern Med 169(2):97\u2013105. https:\/\/doi.org\/10.7326\/M16-2643","journal-title":"Ann Intern Med"},{"issue":"12","key":"3559_CR23","doi-asserted-by":"publisher","first-page":"752","DOI":"10.1016\/j.arbres.2024.06.008","volume":"60","author":"J Texereau","year":"2024","unstructured":"Texereau J, Bailly S, Borel J-C, Sabil A, P\u00e9pin J-L (2024) National implementation of CPAP telemonitoring and a pay-for-performance scheme for homecare providers in France leads to prioritisation of resources to individuals with low therapy adherence: the IMPACT-PAP cohort study. Arch Bronconeumol 60(12):752\u2013758. https:\/\/doi.org\/10.1016\/j.arbres.2024.06.008","journal-title":"Arch Bronconeumol"},{"issue":"2 2","key":"3559_CR24","doi-asserted-by":"publisher","DOI":"10.1183\/09031936.00013311","volume":"39","author":"AL Andreu","year":"2011","unstructured":"Andreu AL, Chiner E, Sancho-Chust JN, Pastor E, Llombart M, Gomez-Merino E et al (2011) Effect of an ambulatory diagnostic and treatment programme in patients with sleep apnoea. Eur Respir J 39(2 2):erj00133-2011. https:\/\/doi.org\/10.1183\/09031936.00013311","journal-title":"Eur Respir J"},{"issue":"1","key":"3559_CR25","doi-asserted-by":"publisher","first-page":"10","DOI":"10.31662\/jmaj.2023-0078","volume":"7","author":"M Suto","year":"2024","unstructured":"Suto M, Iba A, Sugiyama T, Kodama T, Takegami M, Taguchi R et al (2024) Literature review of studies using the National database of the health insurance claims of Japan (NDB): limitations and strategies in using the NDB for research. JMA J 7(1):10\u201320. https:\/\/doi.org\/10.31662\/jmaj.2023-0078","journal-title":"JMA J"}],"container-title":["Sleep and Breathing"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s11325-025-03559-x.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s11325-025-03559-x","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s11325-025-03559-x.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,3,25]],"date-time":"2026-03-25T18:14:34Z","timestamp":1774462474000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s11325-025-03559-x"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,12,15]]},"references-count":25,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2026,3]]}},"alternative-id":["3559"],"URL":"https:\/\/doi.org\/10.1007\/s11325-025-03559-x","relation":{},"ISSN":["1520-9512","1522-1709"],"issn-type":[{"value":"1520-9512","type":"print"},{"value":"1522-1709","type":"electronic"}],"subject":[],"published":{"date-parts":[[2025,12,15]]},"assertion":[{"value":"30 June 2025","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"4 November 2025","order":2,"name":"revised","label":"Revised","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"5 December 2025","order":3,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"15 December 2025","order":4,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"The authors have no relevant financial or non-financial interests to disclose.","order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"This study used only publicly available, aggregated open data that does not contain any individual-level or personally identifiable information. In accordance with our institutional policy and ethical guidelines in Japan, this study did not require Institutional Review Board review or.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval"}}],"article-number":"10"}}