References
- BuchbinderRBlythFMMarchLMBrooksPWoolfADHoyDGPlacing the global burden of low back pain in contextBest Pract Res Clin Rheumatol201327557558924315140
- VosTFlaxmanADNaghaviMYears lived with disability (YLDs) for 1160 sequelae of 289 diseases and injuries 1990–2010: a systematic analysis for the Global Burden of Disease Study 2010Lancet201238098592163219623245607
- MurrayCJVosTLozanoRDisability-adjusted life years (DALYs) for 291 diseases and injuries in 21 regions, 1990–2010: a systematic analysis for the Global Burden of Disease Study 2010Lancet201238098592197222323245608
- van TulderMKoesBBombardierCLow back painBest Pract Res Clin Rheumatol200216576177512473272
- HoyDBainCWilliamsGA systematic review of the global prevalence of low back painArthritis Rheum20126462028203722231424
- SadoskyABTaylor-StokesGLoboscoSPikeJRossERelationship between self-reported low-back pain severity and other patient-reported outcomes: results from an observational studyJ Spinal Disord Tech201326181421909037
- McDonaldMDiBonaventuraMdUllmanSMusculoskeletal pain in the workforce: the effects of back, arthritis, and fibromyalgia pain on quality of life and work productivityJ Occup Environ Med201153776577021685799
- GoreMSadoskyAStaceyBRTaiKSLeslieDThe burden of chronic low back pain: clinical comorbidities, treatment patterns, and health care costs in usual care settingsSpine (Phila Pa 1976)20123711E668E67722146287
- YamadaKMatsudairaKTakeshitaKOkaHHaraNTakagiYPrevalence of low back pain as the primary pain site and factors associated with low health-related quality of life in a large Japanese population: a pain-associated cross-sectional epidemiological surveyMod Rheumatol201424234334824593211
- SukaMYoshidaKMusculoskeletal pain in Japan: prevalence and interference with daily activitiesMod Rheumatol2005151414717028821
- SukaMYoshidaKLow back pain deprives the Japanese adult population of their quality of life: a questionnaire survey at five healthcare facilities in JapanEnviron Health Prev Med200813210911519568889
- Lightspeed ResearchLightspeed Research Panel BookWarren, NJLightspeed Research2011
- census.gov [homepage on the Internet]International data baseUnited States Census Bureau2013 [updated Dec 2013; cited September 30, 2014]. Available from: http://www.census.gov/population/international/data/idb/informationGateway.phpAccessed December 19, 2014
- LiuGGDiBonaventuraMYuanYThe burden of illness for patients with viral hepatitis C: evidence from a national survey in JapanValue Health2012151 SupplS65S7122265070
- WHO Expert ConsultationAppropriate body-mass index for Asian populations and its implications for policy and intervention strategiesLancet2004363940315716314726171
- CharlsonMEPompeiPAlesKLMacKenzieCRA new method of classifying prognostic comorbidity in longitudinal studies: development and validationJ Chronic Dis19874053733833558716
- American Psychiatric AssociationDiagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5)Washington, DCAmerican Psychiatric Association2013
- FukuharaSBitoSGreenJHsiaoAKurokawaKTranslation, adaptation, and validation of the SF-36 Health Survey for use in JapanJ Clin Epidemiol19985111103710449817121
- FukuharaSWareJEKosinskiMWadaSGandekBPsychometric and clinical tests of validity of the Japanese SF-36 Health SurveyJ Clin Epidemiol19985111104510539817122
- ReillyMCZbrozekASDukesEMThe validity and reproducibility of a work productivity and activity impairment instrumentPharmacoeconomics19934535336510146874
- LoflandJHPizziLFrickKDA review of health-related workplace productivity loss instrumentsPharmacoeconomics200422316518414871164
- Economic and Social Research InstituteEffect analysis of outpatient visits optimization measures in the medical insurance systemTokyoEconomic and Social Research Institute2003 Available from: http://www.esri.go.jp/jp/archive/tyou/tyou002/tyou002a.pdfAccessed September 3, 2014 Japanese
- Ministry of Health Labour and Welfare2013 Fiscal Year Trends of Medical ExpensesTokyoMinistry of Health, Labour and Welfare2014 Available from: http://www.mhlw.go.jp/topics/medias/year/13/dl/iryouhi_data.pdfAccessed September 3, 2014 Japanese
- oecd-ilibrary.org [homepage on the Internet]Health at a glance 2011: OECD indicators: Average length of stay in hospitalOrganisation for Economic Cooperation and Development (OECD)2011 [cited September 30, 2014]. Available from: http://www.oecd-ilibrary.org/sites/health_glance-2011-en/04/05/index.html?itemId=/content/chapter/health_glance-2011-33-en&_csp_=7437a3773df7eb771d0f1145cc7940bfAccessed December 19, 2014
- ParsonsLSReducing bias in a propensity score matched-pair sample using greedy matching techniques2001Poster presented at: SAS Users Group InternationalApril 22–25, 2001Long Beach, CA
- van de WaterATEadieJHurleyDAInvestigation of sleep disturbance in chronic low back pain: an age- and gender-matched case-control study over a 7-night periodMan Ther201116655055621652257
- O’DonoghueGMFoxNHeneghanCHurleyDAObjective and subjective assessment of sleep in chronic low back pain patients compared with healthy age and gender matched controls: a pilot studyBMC Musculoskelet Disord20091012219799778
- LangleyPCRuiz-IbanMAMolinaJTDe AndresJCastellónJRThe prevalence, correlates and treatment of pain in SpainJ Med Econ201114336738021574899