Promoting generic drug usage in Japan: correlation between generic drug usage and monthly personal income

References

• Ministry of Health, Labour and Welfare. About medical insurance in Japan. https://www.mhlw.go.jp/stf/seisakunitsuite/bunya/kenkou_iryou/iryouhoken/iryouhoken01/index.html. Accessed 10 Feb 2023.
   Google Scholar
• Ministry of Health, Labour and Welfare. Trends in medical expenses in fiscal year 2019. https://www.mhlw.go.jp/content/12400000/000550869.pdf. Accessed 10 Feb 2023.
   Google Scholar
• Ministry of Health, Labour and Welfare. List of items listed in National Health Insurance (NHI) drug price standards and information on generic drugs (until March 31, 2020). https://www.mhlw.go.jp/topics/2019/08/tp20190819-01.html. Accessed 10 Feb 2023.
   Google Scholar
• Ministry of Health, Labour and Welfare. Trends in dispensing medical expenses (computer processing) in fiscal year 2019. https://www.mhlw.go.jp/topics/medias/year/19/dl/gaiyo_data.pdf. Accessed 10 Feb 2023.
   Google Scholar
• Ministry of Health, Labour and Welfare. Fiscal year 2020 Generic drug use promotion roadmap verification study project report summary. https://www.mhlw.go.jp/content/10800000/000829151.pdf. Accessed 10 Feb 2023.
   Google Scholar
• Ministry of Health, Labour and Welfare. Announcement of the usage rate of generic drugs by insurer (for medical treatment in March, 2019). https://www.mhlw.go.jp/stf/newpage_14403.html. Accessed 10 Feb 2023.
   Google Scholar
• Cabinet Office. Basic Policy on Economic and Financial Management and Reform 2021. https://www5.cao.go.jp/keizai-shimon/kaigi/cabinet/2021/2021_basicpolicies_ja.pdf. Accessed 10 Feb 2023.
   Google Scholar
• Ito Y, Hara K, Yoo B, Tomio J, Kobayashi YCan income-based co-payment rates improve disparity? The case of the choice between brand-name and generic drugsBMC Health Serv Res201919780 10.1186/s12913-019-4598-8 31675967 6824135
   PubMed Web of Science ®Google Scholar
• Central Social Insurance Medical Council Medical Fee Revision Results Verification Subcommittee. About the results of the special survey (fiscal year 2016 survey) pertaining to the verification of the results of the fiscal year 2016 medical fee revision. https://www.mhlw.go.jp/file/05-Shingikai-12404000-Hokenkyoku-Iryouka/0000152477.pdf. Accessed 10 Feb 2023.
   Google Scholar
• Hamada Y, Uchida M, Arai S, Yamazaki K, Takeda M, Arai K, et al.Analysis of patients’ request to switch from a generic drug to the original drug in external prescriptionsJ Pharm Health Care Sci2020627 10.1186/s40780-020-00180-w 33292744 7716439
   PubMed Web of Science ®Google Scholar
• Mishuk AU, Qian J, Howard JN, Harris I, Frank G, Kiptanui Z, et al.The association between patient sociodemographic characteristics and generic drug use: a systematic review and meta-analysisJ Manag Care Spec Pharm201824252264 29485953
   PubMed Web of Science ®Google Scholar
• Omojasola A. Predictors of $4 generic prescription drug discount programs use in the low-income population. Res Social Adm Pharm. 2014; 10.
   Google Scholar
• Ministry of Health, Labour and Welfare. Special survey on verification of results of revision of medical fees in 2016 (fiscal year 2017 survey) Impact of measures to promote the use of generic drugs and implementation status survey report. https://www.mhlw.go.jp/file/05-Shingikai-12404000-Hokenkyoku-Iryouka/0000192295.pdf. Accessed 10 Feb 2023.
   Google Scholar
• Yokoi M, Tashiro TSeparating prescription from dispensation medicines: economic effect estimation in JapanGlob J Health Sci2018108896 10.5539/gjhs.v10n5p88
   Google Scholar
• Ohashi H, Nishikawa KDiffusion of generic drugs and incentive policies: the effect of medical fee revision in FY 2012 on reducing drug costsJpn J Health Econ Policy20193177101
   Google Scholar
• Hellerstein JKThe importance of the physician in the generic versus trade-name prescription decisionRAND J Econ199829108136 1:STN:280:DyaK1cnhvVCktQ%3D%3D 10.2307/2555818 10182437
   PubMed Web of Science ®Google Scholar
• Ministry of Health, Labour and Welfare. 4th NDB open data commentary. https://www.mhlw.go.jp/content/12400000/000711802.pdf. Accessed 10 Feb 2023.
   Google Scholar
• Tsushita KPDCA of insurance business utilizing data of 20 million specific medical examinationsJ Natl Inst Public Health201463438448
   Google Scholar
• Ministry of Health, Labour and Welfare. 4th NDB open data. https://www.mhlw.go.jp/stf/seisakunitsuite/bunya/0000177221_00003.html. Accessed 10 Feb 2023.
   Google Scholar
• Mukai R, Shimada K, Suzuki T, Nakao S, Tanaka M, Matsumoto K, et al.Trends associated with hemorrhoids in Japan: data mining of medical information datasets and the national database of health insurance claims and specific health checkups of Japan (NDB) open data JapanBiol Pharm Bull20204318311838 1:CAS:528:DC%2BB3MXhtVKjtr3K 10.1248/bpb.b20-00157 33268700
   PubMed Web of Science ®Google Scholar
• Ono S, Komatsuzaki A, Iguchi A, Kikuchi H, Motoi S, Susuga MGeneric drug usage in dentistry across Japan: analysis using a Japanese national databaseInt J Environ Res Public Health20211811329 1:CAS:528:DC%2BB3MXisFWntr3F 10.3390/ijerph182111329 34769847 8582704
   PubMed Web of Science ®Google Scholar
• Itoh H, Saito T, Nojiri S, Hiratsuka Y, Yokoyama KNational burden of the pharmaceutical cost of wet compresses and its cost predictors: nationwide cross-sectional study in JapanHealth Econ Rev2019920 10.1186/s13561-019-0238-6 31256264 6734351
   PubMed Web of Science ®Google Scholar
• Sakakibara Y, Ochibe T, Amari S, Tohkin MStudy on the risk factors for postoperative delirium using the national health insurance claims database in JapanJpn J Pharm Health Care Sci201945195207 10.5649/jjphcs.45.195
   Google Scholar
• Statistics Bureau of Japan. (Reference table) Cash salary, regular salary, annual bonus and other special salaries paid by prefecture (list of 47 prefectures). https://www.e-stat.go.jp/stat-search/files?page=1&layout=datalist&toukei=00450091&tstat=000001011429&cycle=0&tclass1=000001098975&tclass2=000001098977&tclass3=000001098986&tclass4val=0. Accessed 10 Feb 2023.
   Google Scholar
• Ministry of Health, Labour and Welfare. Results of the 2017 Basic Survey on Wage Structure. https://www.mhlw.go.jp/toukei/itiran/roudou/chingin/kouzou/z2017/dl/12.pdf. Accessed 10 Feb 2023.
   Google Scholar
• Statistics Bureau of Japan. Statistics of Japan. https://www.e-stat.go.jp. Accessed 10 Feb 2023.
   Google Scholar
• Ministry of Health, Labour and Welfare. Matters to be noted in implementing the partial revision of the method for calculating medical fees. https://www.mhlw.go.jp/content/12404000/000907837.pdf. Accessed 10 Feb 2023.
   Google Scholar
• Ministry of Health, Labour and Welfare. Overview of the 2017 patient survey. https://www.mhlw.go.jp/toukei/saikin/hw/kanja/17/dl/kanja-01.pdf. Accessed 10 Feb 2023.
   Google Scholar
• Federman AD, Halm EA, Zhu C, Hochman T, Siu ALAssociation of income and prescription drug coverage with generic medication use among older adults with hypertensionAm J Manag Care200612611618 17026415 3033758
   PubMed Web of Science ®Google Scholar