疫学・統計セミナー：データ解析と研究目的との関連

σʔλղੳͱݚڀ໨తͱͷؔ࿈ $IVOUBSP !4IVOUBSPPP 1 Ӹֶɾ౷ܭηϛφʔ

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w ҙࢥܾఆ w Ξ΢τϓοτΛҙࣝͨ͠ݚڀσβΠϯ w ࠓޙͷྲྀΕ

σʔλαΠΤϯε͸ݚڀʹ ͲͷΑ͏ʹؔΘΔ͔ 3

σʔλαΠΤϯεͷֶ໰ͱͯ͠ͷ෼ྨ 4 σʔλαΠΤϯε ౷ܭֶ ਓ޻஌ೳ ػցֶश

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σʔλαΠΤϯεͷλεΫͷ෼ྨ 6 σʔλ هड़ʢ%FTDSJQUJPOʣ ༧ଌʢ1SFEJDUJPOʣ ҼՌਪ࿦ ʢ$BVTBM*OGFSFODFʣ .JHVFM")FSOÂO +PIO)TV#SJBO)FBMZ
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هड़ %FTDSJQUJPO 7

هड़ʢ%FTDSJQUJPOʣ 8 ཁ໿ʢ4VNNBSZʣ σʔλͷಛ௃Λ͋Γͷ··਺஋ʢ౷ܭྔʣͰࣔ͢ ՄࢹԽʢ7JTVBMJ[BUJPOʣ σʔλΛਤࣔ͢Δ ڭࢣͳֶ͠शʢ6OTVQFSWJTFEMFBSOJOHBMHPSJUINTʣ
ม਺ؒɼ͋Δ͍͸ɼ؍ଌ஋ؒʹαϒάϧʔϓΛݟ͚ͭΔ

Պֶతٙ໰ʢ%FTDSJQUJPOʣ 9 ͋Δूஂͷ಺ɼ౶೘පΛױ͍ͬͯΔਓͷׂ߹͸ʁ ཁ໿ ͋ΔूஂΛ೥ؒ௥੻ௐࠪͨ͠ɽ೥ؒͰͷ౶೘පൃ঱ΛΞ΢τΧ Ϝͱ͢Δɽ౶೘පͷൃ঱ͱؔ࿈ͷ͋Δௐࠪ։࢝࣌ͷม਺͸Կ͔ʁ %FNPHSBQIJD -BCPSBUPSZ %JFU
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༧ଌ 1SFEJDUJPO 13

Պֶతٙ໰ʢ1SFEJDUJPOʣ 14 w ೖӃ࣌ͷന݂ٿ਺ͷ஋Ͱɼिؒޙͷࢮ๢֬཰Λ༧ଌ͢Δ w ೖӃ࣌ʹه࿥ɾଌఆ͢Δݸͷม਺Ͱɼ िؒޙͷࢮ๢֬཰Λ༧ଌ͢Δ w ͋Δಛ௃Λ࣋ͭঁੑ͕ɼ೥ޙʹ೴ଔதΛൃ঱͢Δ֬཰Λ༧ଌ͢Δ w
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Ϟσϧͷॊೈ͞ͱղऍͷ͠΍͢͞ 15 ղऍͷ͠΍͢͞ ௿ ߴ ௿ ߴ Ϟσϧͷॊೈ͞ ϒϥοΫϘοΫε͞ ύϥϝτϦοΫϞσϧ
ϊϯύϥϝτϦοΫϞσϧ ઢܗϞσϧ ҰൠԽઢܗϞσϧ ܾఆ໦ ϥϯμϜϑΥϨετ σΟʔϓϥʔχϯά εϓϥΠϯ αϙʔτϕΫλʔϚγʔϯ

ύϥϝτϦοΫͱϊϯύϥϝτϦοΫ 16 Years of Education Seniority Income Years of Education
Seniority Income ύϥϝτϦοΫ๏ ϊϯύϥϝτϦοΫ๏ εϓϥΠϯۂઢ 4PNFPGUIFpHVSFTJOUIJTQSFTFOUBUJPOBSFUBLFOGSPN"O*OUSPEVDUJPOUP4UBUJTUJDBM-FBSOJOH XJUIBQQMJDBUJPOTJO3 4QSJOHFS XJUIQFSNJTTJPO GSPNUIFBVUIPST(+BNFT %8JUUFO 5)BTUJFBOE35JCTIJSBOJ

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- 'PY $4 /BUIBO %. %`"HPTUJOP 3# 1SFEJDUJPOPGJODJEFOUEJBCFUFTNFMMJUVTJONJEEMFBHFEBEVMUT UIF'SBNJOHIBN0⒎TQSJOH4UVEZ"SDIJWFTPGJOUFSOBMNFEJDJOF ೥ྸ ੑผ ౶೘පͷՈ଒ྺ #.* ߴ݂ѹ )%-$ தੑࢷ๱ ۭෲ݂࣌౶ ෲғ ౶ෛՙݕࠪ ೥ޙͷ ౶೘පൃ঱ͷ༧ଌ ϞσϧΛ࡞੒

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۩ମྫʢղऍ͠΍͍͢༧ଌʣ 19 Table3ͷϩδεςΟοΫճؼ෼ੳ݁Ռ w ༧ଌ֬཰Λܭࢉͮ͠Β͍ w ࢖͍ͮΒ͍ Z = 0.994FY
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۩ମྫʢϒϥοΫϘοΫεͷ༧ଌʣ 21 w਍அʹ͔͚Δ࣌ؒΛ੍ݶ͠ͳ͍පཧҩͱಉ͡Α͏ͳ਍அੑೳ wσΟʔϓϥʔχϯάͷํ͕࣌ؒ͸͔͔Βͳ͍ wػցֶशͷதͰ΋ɼ ಛʹσΟʔϓϥʔχϯά͸ϒϥοΫϘοΫεͱͳΔ wੑೳ͸҆ఆ͢Δ͕ɼղऍΛ͍ͨ͠৔߹͸͙ͦΘͳ͍ *OQVU ݁Ռ ϒϥοΫϘοΫε
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ҼՌਪ࿦ $BVTBM*OGFSFODF 22

ҼՌਪ࿦ʢ$BVTBM*OGFSFODFʣ 23 w େ௎͕ΜͷεΫϦʔχϯά͕ࢮ๢཰Λݮগͤ͞Δ͔ʁ w ελνϯΛ౤༩͢Δ͜ͱ͸ɼ ͋Δಛ௃Λ࣋ͭঁੑͷ೴ଔதͷϦεΫΛݮΒ͔͢ʁ ελνϯ ೴ଔத ަབྷ
Ҽࢠ ม਺ؒͷؔ܎Λ੔ཧ͢Δ ໼ҹ͸ɼઐ໳Ոͷ஌ࣝʹΑΓ ߏங͢Δม਺ؒͷؔ܎ ڵຯ͋Δूஂ മ࿐ ඇമ࿐ ҼՌޮՌ WT ʢελνϯ౤༩ʣ ʢελνϯඇ౤༩ʣ ݪҼ ݁Ռ

w ݂ѹ͕ߴ͚Ε͹ɼ೥ऩ্͕͕Δ w ମॏ͕ॏ͚Ε͹ɼ଍͕଎͍ w λόίΛٵ͑͹ɼ৺ے伷࠹ʹͳΔ֬཰͕ߴ͍ w େ௎͕ΜεΫϦʔχϯάΛड͚Ε͹ɼ େ௎͕ΜʹΑΔࢮ๢Λ཈੍Ͱ͖Δ 24
ݪҼ ݁Ռ w ݂ѹ w ମॏ w ٤Ԏ w େ௎͕ΜεΫϦʔχϯά w ೥ऩ w ଍ͷ଎͞ w ৺ے伷࠹ w େ௎͕ΜʹΑΔࢮ๢ ໰͍͔͚

ҼՌؔ܎ͱ૬ؔؔ܎ 25 ݪҼ ݁Ռ ҼՌؔ܎ ݪҼ ݁Ռ ૬ؔؔ܎ w ݪҼ͕ى͖͔ͨΒ
݁Ռ͕ੜͨ͡ w ݪҼΛม͑ͨΒ ݁Ռ͕มΘΔ w ؔ܎͸͋Δ w ݪҼͱ݁Ռͷؔ܎͔ ෼͔Βͳ͍

ҼՌؔ܎Λ૬ؔؔ܎ͱ൑அ͢ΔͨΊͷϙΠϯτ 26 ͭͷม਺ͷؔ܎͕૬ؔؔ܎Ͱ͋Δ৔߹ɼ ͭͷ಺ͷ͍ͣΕ͔ʹ͋ͯ͸·Δ ʮ·ͬͨ͘ͷۮવʯͰ͸ͳ͍͔ ʮୈࡾͷม਺ʯ͸ଘࡏ͍ͯ͠ͳ͍͔ ʮٯͷҼՌؔ܎ʯ͸ଘࡏ͍ͯ͠ͳ͍͔
தࣨ຀ࢠɼ௡઒༑հ ʮݪҼͱ݁Ռʯͷܦࡁֶσʔλ͔Βਅ࣮Λݟൈ͘ࢥߟ๏μΠϠϞϯυࣾ

ʮ·ͬͨ͘ͷۮવʯͰ͸ͳ͍͔ 27 χίϥεɾέΠδͷ೥ؒөըग़ԋຊ਺ͱϓʔϧͷṆࢮऀ਺
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ʮୈࡾͷม਺ʯ͸ଘࡏ͍ͯ͠ͳ͍͔ 28 ݂ѹ څྉ ೥ྸ ݪҼ ݁Ռ ݟ͔͚ͤͷ૬ؔ ೥ྸ্͕͕Ε͹ څྉ΋্͕Δ
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ʮٯͷҼՌؔ܎ʯ͸ଘࡏ͍ͯ͠ͳ͍͔ 29 ܯ࡯׭ͷ ਺ ൜ࡑͷ ൃੜ݅਺ ݪҼ ݁Ռ ٯͷҼՌؔ܎ ൜ࡑͷൃੜ݅਺ʹӨڹΛ༩͑ΔཁҼͷௐࠪΛ͍ͯͯ͠
ܯ࡯׭ͷ਺͕ଟ͍஍Ҭ͸ɼ൜ࡑ݅਺͕ଟ͍͜ͱ͕Θ͔ͬͨ ܯ࡯׭ͷ ਺ ൜ࡑͷ ൃੜ݅਺ ݪҼ ݁Ռ தࣨ຀ࢠɼ௡઒༑հ ʮݪҼͱ݁Ռʯͷܦࡁֶσʔλ͔Βਅ࣮Λݟൈ͘ࢥߟ๏μΠϠϞϯυࣾ

νϣίϨʔτফඅྔͱϊʔϕϧ৆ड৆ऀ਺ͱͷؔ܎ 30 w Ұਓ౰ͨΓͷνϣίϨʔτͷ೥ؒফඅྔ͕ଟ͍ࠃ΄Ͳɼ ϊʔϕϧ৆Λड৆͍ͯ͠Δਓͷ਺͕ଟ͍ͱ͍͏͜ͱ͕Θ͔ͬͨ .FTTFSMJ ') 4BSNBEJ # "NJOVEEJO
' )BNJE . 4BBSJ / "CEVM)BNJE " *TNBJM " $IPDPMBUFBOE:PVS)FBMUI/&OHM+.FE ͜Ε͸ҼՌؔ܎ͱ૬ؔؔ܎ͷ ͲͪΒͩΖ͏͔ʁ w ࠃຽ͕Ұਓ౰ͨΓ೥ؒH ଟ͘νϣίϨʔτΛઁऔ͢Δͱɼ ͦͷࠃͷϊʔϕϧ৆ड৆ऀͷ਺͕ ਓ૿͑Δ

ޮՌͱؔ࿈ʢʣ 31 ݪҼ ݁Ռ ҼՌؔ܎ ݪҼ ݁Ռ ૬ؔؔ܎ w ࠶ͼݪҼ͕ىͬͨ͜ͳΒɼ
ಉ݁͡Ռ͕ಘΒΕΔ w ҼՌؔ܎͕͋Δͱ͖ɼݪҼͱ݁Ռͷ ؔ܎ΛޮՌʢ&⒎FDUʣͱ͍͏ w ࠶ͼݪҼ͕ىͬͨ͜ͱͯ͠΋ɼ ಉ݁͡Ռ͕ಘΒΕΔͱ͸ߟ͑ʹ͍͘ w ҼՌؔ܎Λࣔͤͳ͍ͱ͖ɼݪҼͱ݁Ռͷ ؔ܎Λؔ࿈ʢ"TTPDJBUJPOʣͱ͍͏ &⒎FDUͱ"TTPDJBUJPO͸ݫ֨ʹ۠ผ͢Δ

ޮՌͱؔ࿈ʢʣ 32 $BVTBM &⒎FDU "TTPDJBUJPO WT WT ݚڀର৅ूஂ εΫϦʔχϯά͋Γ εΫϦʔχϯάͳ͠
w ୯७ͳܭࢉ͔ΒಘΒΕΔͷ͸ɼؔ࿈ʢ"TTPDJBUJPOʣ w ޮՌʢ$BVTBM&⒎FDUʣΛܭࢉ͢Δʹ͸ɼҼՌਪ࿦͕ඞཁ w ൓ࣄ࣮ͱ͍͏֓೦Λಋೖ͢Δඞཁ͕͋Δ w ࠓޙɼઆ໌͠·͢ )FSOÂO." 3PCJOT+. $BVTBM*OGFSFODF#PDB3BUPO$IBQNBO)BMM$3$ GPSUIDPNJOH

൓ࣄ࣮ʢ$PVOUFSGBDUVBMʣ 33 ࣄ࣮ɹɿղ೤ࡎΛҿΜͩΒ೤͕Լ͕ͬͨ ൓ࣄ࣮ɿղ೤ࡎΛҿ·ͳ͔ͬͨΒɼ ɹɹɹɹ೤͸Ͳ͏ͳ͍ͬͯͨͩΖ͏ʁ ࣄ࣮ɹɿʓʓʹձ͔ͬͨΒɼҩྍऀΛ໨ࢦ͍ͯ͠Δ ൓ࣄ࣮ɿʓʓʹձΘͳ͔ͬͨΒɼԿʹͳ͍ͬͯͨͩΖ͏ʁ ҼՌؔ܎ͱ͸ ݪҼ͕ىͬͨ͜ͱ͍͏ʮࣄ࣮ʯʹ͓͚Δ݁Ռͱɼ ݪҼ͕ى͜Βͳ͔ͬͨͱ͍͏ʮ൓ࣄ࣮ʯʹ͓͚Δ݁ՌΛ
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XFFL ओཁධՁ߲໨ɿ ൃ೤ൃ࡞ճ਺ ⃗ xTCZ ⃗ xPlacebo ൃ೤ൃ࡞ճ਺ ༀࡎͷҧ͍ ༀࡎͷҧ͍ʢϓϥηϘͱൺֱͯ͠5$;ʣ͸ ൃ೤ൃ࡞ճ਺ʹӨڹΛ༩͑Δ͔ʁ ,PHB 5 4BUP 4 .JZBNPUP + )BHJNPSJ / ,BXB[PF : "SJOBHB , ,BXBLBNJ " $PNQBSJTPOPGUIFF⒏DBDZBOETBGFUZPGUPDJMJ[VNBCGPS DPMDIJDJOFSFTJTUBOUPSDPMDIJDJOFJOUPMFSBOUGBNJMJBM.FEJUFSSBOFBOGFWFSTUVEZQSPUPDPMGPSBOJOWFTUJHBUPSJOJUJBUFE NVMUJDFOUFS SBOEPNJ[FE EPVCMFCMJOE QMBDFCPDPOUSPMMFEUSJBM5SJBMT

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/BUJPOBM)FBMUIBOE/VUSJUJPO&YBNJOBUJPO4VSWFZT /)"/&4 ͷσʔλ w ೥ w / w ޮՌͷਪఆΛ࿪ΊΔަབྷҼࢠΛཧ࿦తʹબ୒͍ͯ͠Δ w ܽଌσʔλͷॲཧʢ.VMUJQMF*NQVUBUJPOɿଟॏ୅ೖ๏ʣ΋͍ͯ͠Δ -JOB8BOH -FPOFMP&#BVUJTUB 4FSVNCJMJSVCJOBOEUIFSJTLPGIZQFSUFOTJPO *OUFSOBUJPOBM+PVSOBMPG&QJEFNJPMPHZ 7PMVNF *TTVF 'FCSVBSZ 1BHFTr IUUQTEPJPSHJKFEZV

༧ଌʹΑΔҙຯͷͳ͍ఏҊ 36 ৺ෆશױऀͷσʔλΛར༻ͯ͠ ೥Ҏ಺ʹࢮ๢͢ΔױऀΛ༧ଌ͢ΔΞϧΰϦζϜ ೖӃྺ͕༧ޙ༧ଌʹ໾ཱͭม਺ͩͱ͢Δ ʢ೥Ҏ಺ʹࢮ๢͢Δ֬཰͕ߴ͘ͳΔʣ ෼ੳͷ݁Ռ ೥Ҏ಺ʹࢮ๢͢Δ֬཰͕ߴ͘ͳΔ͔Βɼ ࠓපؾͷױऀʹೖӃ͠ͳ͍Α͏ಇ͖͔͚Α͏ʂ ͋Εʁ
ˡݚڀ໨త͸༧ଌ ˡ༧ଌʹد༩͢Δม਺Λಉఆ

ҙࢥܾఆʢ%FDJTJPONBLJOHʣ 37 Ӹֶͷ໨తͷҰͭͱͯ͠ɼ Կ͔ʹհೖ͢Δ͜ͱʹΑΓਓͷ݈߁Λ໨ࢦ͍ͨ͠ ৺ෆશױऀͷσʔλΛར༻ͯ͠ ɹ೥Ҏ಺ʹࢮ๢͢ΔױऀΛ༧ଌ͢ΔΞϧΰϦζϜ͸ɼ ɹࢮ๢཰ΛͲͷΑ͏ʹݮগͤ͞Δ͔͸෼͔Βͳ͍ ༧ଌ͕໨త
Կ͕ࢮ๢཰Λݮগͤ͞Δ͔෼͔Ε͹ɼ հೖ͕Ͱ͖ΔՄೳੑ͕͋Δʢҙࢥܾఆʣ ɹˠ͜ͷٙ໰ʹͨ͑͜Δͷ͸ҼՌਪ࿦

38 ҼՌߏ଄Λ͔ͭΉ ҼՌਪ࿦͢ΔͨΊʹ͸ɼݪҼͱ݁ՌɼͦΕΒʹؔ࿈͢Δม਺Λ ઐ໳Ոͷ஌ࣝͰશͯॻ͖ग़͠ɼߏ଄Խ͢Δඞཁ͕͋Δ %"( %JSFDUFE"DZDMJD(SBQI ໐: 䤶䔽iۀ䢉ɾ ͳ
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39 ೛৷தͷ٤Ԏͱೕࣇͷࢮ๢཰ͱͷؔ܎ )FSOÂOEF[%ÍB[ 4 4DIJTUFSNBO &' )FSOÂO ." 5IFCJSUIXFJHIUlQBSBEPYzVODPWFSFE
"NFSJDBOKPVSOBMPGFQJEFNJPMPHZ w /BUJPOBM$FOUFSGPS)FBMUI4UBUJTUJDTͷ೥ͷσʔλ w ྫͷग़ੜࣇσʔλ w ೥Ҏ಺ͷࢮ๢཰ʹ೛৷தͷ٤Ԏ͕ؔ࿈͢Δ͔ௐࠪ -#8 -PX#JSUI8FJHIU Hະຬ ࢮ๢ͷ཰ൺʢ4NPLFSWT/POTNPLFSʣ UP ࢮ๢ͷ཰ൺʢ4NPLFSWT/POTNPLFSʣ #JSUI8FJHIUͰௐ੔ɹɹ UP ٤Ԏ܈ͷํ͕ࢮ๢ϦεΫ͸ߴ͍

40 ೛৷தͷ٤Ԏ͕ೕࣇͷࢮ๢཰ΛԼ͛Δʁ )FSOÂOEF[%ÍB[ 4 4DIJTUFSNBO &' )FSOÂO ." 5IFCJSUIXFJHIUlQBSBEPYzVODPWFSFE
"NFSJDBOKPVSOBMPGFQJEFNJPMPHZ ࢮ๢ͷ཰ൺʢ4NPLFSWT/POTNPLFSʣ UP ٤Ԏ܈ͷํ͕ࢮ๢ϦεΫ͕௿͍ -#8 -PX#JSUI8FJHIUͷूஂΛղੳର৅ͱ͢Δͱʜ ʮ଻ࣇͷମॏ͕গͳ͚Ε͹ɼ٤Ԏ͠ͳ͍͞ʯͱ͍͏ࢪࡦΛ͠·͔͢ʁ #JSUI8FJHIU1BSBEPY

41 ͳͥ#JSUI8FJHIU1BSBEPY͕ى͔ͬͨ͜ʁ ະଌఆཁҼ ࢮ๢ ٤Ԏͷ༗ແ ͭͷม਺ͷ߹ྲྀ఺Λ৚͚݅ͮΔͱؔ࿈͕Ώ͕Ή αϒάϧʔϓղੳΛͯ͠͸͍͚ͳ͔ͬͨ -#8 બ୒όΠΞεʢ4FMFDUJPO#JBTʣ ʢපؾ౳ʣ
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Ξ΢τϓοτΛҙࣝͨ͠ݚڀσβΠϯ 42 $MJOJDBM2VFTUJPO %FTDSJQUJPO 1SFEJDUJPO $BVTBM*OGFSFODF w 1SFEJDUJPOͱ$BVTBM*OGFSFODFͰ͸ɼ ඞཁͳσʔλ΋σʔλղੳํ๏΋ҟͳΔ w
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43 ࠓޙͷྲྀΕ ʢਫʣ Ӹֶͱ͸ʁ ࣬පͷൃੜͷଌఆ ҼՌύΠ ൃੜׂ߹ɼ཰ɼ༗ප཰ ϦεΫൺɼϦεΫࠩɼΦοζൺɼ཰ൺ ʢۚʣ Ӹֶݚڀͷ෼ྨ
ίϗʔτݚڀɼ έʔείϯτϩʔϧݚڀɼ ϥϯμϜԽൺֱࢼݧ ʢ໦ʣ ਪఆɾݕఆɾਫ਼౓ ਖ਼֬Ͱଥ౰ͳਪఆͱ͸ʁ όΠΞε ৴པ۠ؒɼ1஋ ʢۚʣ ҼՌਪ࿦ɾҼՌϞσϧ ޮՌͱؔ࿈ͷҧ͍ɼ%"(ɼ ަབྷҼࢠͷ੍ޚํ๏ ࠓޙ ҼՌਪ࿦Ͱ༻͍ΒΕΔ౷ܭղੳ ʢ܏޲είΞɼࠩ෼ͷࠩ෼ੳɼෆ࿈ଓճؼσβΠϯͳͲʣ ײ౓෼ੳɼܽଌσʔλͷॲཧ

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疫学・統計セミナー：データ解析と研究目的との関連

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