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Chiba Yasutaka  千葉 康敬

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CHIBA Yasutaka  千葉 康敬

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Researcher Number 80362474
Other IDs
Affiliation (Current) 2025: 近畿大学, 大学病院, 准教授
Affiliation (based on the past Project Information) *help 2019 – 2023: 近畿大学, 大学病院, 准教授
2015 – 2018: 近畿大学, 医学部附属病院, 准教授
2014: 近畿大学, 医学部附属病院, 講師
2011 – 2013: 近畿大学, 医学部, 講師
Review Section/Research Field
Principal Investigator
Basic Section 60030:Statistical science-related / Statistical science / Statistical science
Except Principal Investigator
Medium-sized Section 59:Sports sciences, physical education, health sciences, and related fields / Basic Section 58030:Hygiene and public health-related: excluding laboratory approach / Hygiene and public health
Keywords
Principal Investigator
因果推論 / ランダム化試験 / 統計的仮説検定 / 統計科学
Except Principal Investigator
骨折 / コホート研究 / 動脈硬化 / 骨粗鬆症性骨折 / 骨粗鬆症 / 筋産生因子 … More / インスリン抵抗性 / アイリシン / 地域在住男性高齢者 / 骨―血管連関 / 前向きコホート研究 / 地域在住高齢者 / 男性 / 脳心血管疾患 / 骨粗しょう症性骨折 / リスク評価 / コホート研 / 上腕-足首脈波伝播速度 / 骨密度 / 地域在住女性 Less
  • Research Projects

    (6 results)
  • Research Products

    (48 results)
  • Co-Researchers

    (15 People)
  •  Are lower circulating levels of irisin secreted by skeletal muscle associated with higher risks of deterioration of insulin resistance and fracture? A 10-year follow-up study

    • Principal Investigator
      Tamaki Junko
    • Project Period (FY)
      2022 – 2023
    • Research Category
      Grant-in-Aid for Challenging Research (Exploratory)
    • Review Section
      Medium-sized Section 59:Sports sciences, physical education, health sciences, and related fields
    • Research Institution
      Osaka Medical and Pharmaceutical University
  •  因果推論の方法論に対応する正確な統計解析手法の開発Principal Investigator

    • Principal Investigator
      千葉 康敬
    • Project Period (FY)
      2019 – 2024
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 60030:Statistical science-related
    • Research Institution
      Kindai University
  •  The predictive ability of osteoporotic fractures for a risk of cardiovascular disease based on organ crosstalk :10-years follow-up of a cohort study for osteoporosis risk in men.

    • Principal Investigator
      Tamaki Junko
    • Project Period (FY)
      2018 – 2020
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 58030:Hygiene and public health-related: excluding laboratory approach
    • Research Institution
      Osaka Medical College
  •  Exact tests of causal effects for a two-by-two contingency tablePrincipal Investigator

    • Principal Investigator
      CHIBA Yasutaka
    • Project Period (FY)
      2015 – 2018
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Statistical science
    • Research Institution
      Kindai University
  •  The effect of osteoporotic fractures for progress of arteriosclerosis based on bone vascular correlation: 20-years follow-up of a large cohort study with randomized sampled women

    • Principal Investigator
      TAMAKI Junko
    • Project Period (FY)
      2015 – 2017
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Hygiene and public health
    • Research Institution
      Osaka Medical College
  •  Methodology of causal inference when an unmeasured confounder existsPrincipal Investigator

    • Principal Investigator
      CHIBA Yasutaka
    • Project Period (FY)
      2011 – 2014
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Statistical science
    • Research Institution
      Kinki University

All 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 Other

All Journal Article Presentation Book

  • [Book] 医療統計力を鍛える!2015

    • Author(s)
      千葉康敬
    • Total Pages
      307
    • Publisher
      総合医学社
    • Data Source
      KAKENHI-PROJECT-23700344
  • [Book] Vaccines - Benefits and Risks (Chapter 2: Assessing the Causal Infectiousness Effect in Vaccine Trials)2013

    • Author(s)
      Yasutaka Chiba, Masataka Taguri
    • Total Pages
      212
    • Publisher
      iConcept Press
    • Data Source
      KAKENHI-PROJECT-23700344
  • [Book] Current Topics in Public Health (Chapter 3: Causal Inference with Intermediates: Simple Methods for Principal Strata Effects and Natural Direct Effects)2013

    • Author(s)
      Yasutaka Chiba, Etsuji Suzuki
    • Total Pages
      732
    • Publisher
      InTech
    • Data Source
      KAKENHI-PROJECT-23700344
  • [Journal Article] Definition and Estimation of Covariate Effect Types in the Context of Treatment Effectiveness2020

    • Author(s)
      Chiba Yasutaka
    • Journal Title

      Mathematics

      Volume: 8 Issue: 10 Pages: 1657-1657

    • DOI

      10.3390/math8101657

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K11871
  • [Journal Article] Inference on covariate effect types for treatment effectiveness in a randomized trial with a binary outcome2019

    • Author(s)
      Chiba Y
    • Journal Title

      Clinical Trials

      Volume: 印刷中 Issue: 3 Pages: 237-245

    • DOI

      10.1177/1740774519828301

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-15K00057
  • [Journal Article] An inverse probability weighting method for estimating the net benefit in survival analyses in observational studies2018

    • Author(s)
      Chiba Y
    • Journal Title

      Epidemiology, Biostatistics and Public Health

      Volume: 15 Issue: 4

    • DOI

      10.2427/12993

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-15K00057
  • [Journal Article] Bayesian inference of causal effects for an ordinal outcome in randomized trials2018

    • Author(s)
      Chiba Y
    • Journal Title

      Journal of Causal Inference

      Volume: 6 Issue: 2 Pages: 20170019-20170019

    • DOI

      10.1515/jci-2017-0019

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-15K00057
  • [Journal Article] Causal measures for prognostic and predictive biomarkers2018

    • Author(s)
      Chiba Y
    • Journal Title

      Open Journal of Statistics (Special Issue on Biostatistics)

      Volume: 8 Issue: 02 Pages: 241-248

    • DOI

      10.4236/ojs.2018.82014

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-15K00057
  • [Journal Article] Sharp nonparametric bounds and randomization inference for treatment effects on an ordinal outcome2017

    • Author(s)
      Yasutaka Chiba
    • Journal Title

      Statistics in Medicine

      Volume: 36 Issue: 25 Pages: 3966-3975

    • DOI

      10.1002/sim.7400

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-15K00057
  • [Journal Article] Stratified exact tests for the weak causal null hypothesis in randomized trials with a binary outcome2017

    • Author(s)
      Yasutaka Chiba
    • Journal Title

      Biometrical Journal

      Volume: 59 Issue: 5 Pages: 986-997

    • DOI

      10.1002/bimj.201600085

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-15K00057
  • [Journal Article] Sample size calculation of exact tests for the weak causal null hypothesis in randomized trials with a binary outcome2016

    • Author(s)
      Yasutaka Chiba
    • Journal Title

      Open Journal of Statistics (Special Issue on Statistical Hypothesis Testing)

      Volume: 6 Issue: 05 Pages: 766-776

    • DOI

      10.4236/ojs.2016.65063

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-15K00057
  • [Journal Article] Causal inference in randomized trials: a shift from the sharp causal null hypothesis to the weak causal null hypothesis2016

    • Author(s)
      Yasutaka Chiba
    • Journal Title

      Journal of Biometrics and Biostatistic

      Volume: 7 Issue: 02 Pages: 288-288

    • DOI

      10.4172/2155-6180.1000288

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-15K00057
  • [Journal Article] A note on exact confidence interval for causal effects on a binary outcome in randomized trials2016

    • Author(s)
      Yasutaka Chiba
    • Journal Title

      Statistics in Medicine

      Volume: 35 Issue: 10 Pages: 1739-1741

    • DOI

      10.1002/sim.6826

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-15K00057
  • [Journal Article] A principal stratification approach for evaluating natural direct and indirect effects in the presence of treatment-induced intermediate confounding2015

    • Author(s)
      Taguri M, Chiba Y
    • Journal Title

      Statistics in Medicine

      Volume: 34 Issue: 1 Pages: 131-144

    • DOI

      10.1002/sim.6329

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-23700344, KAKENHI-PROJECT-24700278
  • [Journal Article] A note on exact tests and confidence intervals for two-by-two contingency tables in randomized trials2015

    • Author(s)
      Yasutaka Chiba
    • Journal Title

      International Journal of Clinical Research and Trials

      Volume: 1 Pages: 102-102

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-15K00057
  • [Journal Article] Exact tests for the weak causal null hypothesis on a binary outcome in randomized trials2015

    • Author(s)
      Yasutaka Chiba
    • Journal Title

      Journal of Biometrics and Biostatistics

      Volume: 6 Issue: 03 Pages: 244-244

    • DOI

      10.4172/2155-6180.1000244

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-15K00057
  • [Journal Article] Sensitivity analysis for direct and indirect effects in the presence of exposure-induced mediator-outcome confounders2014

    • Author(s)
      VanderWeele TJ, Chiba Y
    • Journal Title

      Epidemiology, Biostatistics and Public Health

      Volume: 11 Issue: 2

    • DOI

      10.2427/9027

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-23700344
  • [Journal Article] Monotone confounding, monotone treatment selection and monotone treatment response2014

    • Author(s)
      Jiang Z, Chiba Y, VanderWeele TJ
    • Journal Title

      Journal of Causal Inference

      Volume: 2 Issue: 1 Pages: 1-12

    • DOI

      10.1515/jci-2012-0006

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-23700344
  • [Journal Article] Application of the mediation analysis approach to cancer prevention trials relating to cancer severity2014

    • Author(s)
      Chiba Y
    • Journal Title

      American Journal of Biostatistics

      Volume: 4 Pages: 45-51

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-23700344
  • [Journal Article] 間違いやすい統計解析2014

    • Author(s)
      千葉康敬
    • Journal Title

      近畿大学医学雑誌

      Volume: 39 Pages: 79-86

    • Open Access
    • Data Source
      KAKENHI-PROJECT-23700344
  • [Journal Article] Conditional and unconditional infectiousness effects in vaccine trials2013

    • Author(s)
      Yasutaka Chiba
    • Journal Title

      Epidemiology

      Volume: 24 Issue: 2 Pages: 336-337

    • DOI

      10.1097/ede.0b013e31828261f5

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23700344, KAKENHI-PROJECT-24700278
  • [Journal Article] Alternative monotonicity assumptions for improving bounds on natural direct effects2013

    • Author(s)
      Yasutaka Chiba, Masataka Taguri
    • Journal Title

      International Journal of Biostatistics

      Volume: 9 Issue: 2 Pages: 235-249

    • DOI

      10.1515/ijb-2012-0022

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23700344
  • [Journal Article] A simple method of measuring vaccine effects on infectiousness and contagion2013

    • Author(s)
      Yasutaka Chiba
    • Journal Title

      Open Journal of Statistics (Special Issue on Medical Studies in Statistics)

      Volume: 3(4A) Issue: 04 Pages: 7-15

    • DOI

      10.4236/ojs.2013.34a002

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23700344
  • [Journal Article] Kaplan-Meier curves for survivor causal effects with time-to-event outcomes2013

    • Author(s)
      Yasutaka Chiba
    • Journal Title

      Clinical Trials

      Volume: 10 Issue: 4 Pages: 515-521

    • DOI

      10.1177/1740774513483601

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23700344
  • [Journal Article] A note on the logistic regression model with a random coefficient to predict propensity scores2013

    • Author(s)
      Yasutaka Chiba
    • Journal Title

      Annals of Biometrics and Biostatistics

      Volume: 1 Pages: 1001-1001

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23700344
  • [Journal Article] Bounds on the complier average causal effect in randomized trials with noncompliance2012

    • Author(s)
      Yasutaka Chiba
    • Journal Title

      Statistics and Probability Letters

      Volume: 82 Issue: 7 Pages: 1352-1357

    • DOI

      10.1016/j.spl.2012.03.040

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23700344
  • [Journal Article] Sensitivity analysis for unmeasured confounding ~2012

    • Author(s)
      Yasutaka Chiba
    • Journal Title

      Epidemiology

      Volume: 23 Issue: 1 Pages: 175-176

    • DOI

      10.1097/ede.0b013e31823b6409

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23700344
  • [Journal Article] The large sample bounds on the principal strata effect with application to a prostate cancer prevention trial2012

    • Author(s)
      Yasutaka Chiba
    • Journal Title

      International Journal of Biostatistics

      Volume: 8(1) Issue: 1 Pages: 12-12

    • DOI

      10.1515/1557-4679.1365

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23700344
  • [Journal Article] Estimation and sensitivity analysis of the survivor average causal effect under the monotonicity assumption2012

    • Author(s)
      Yasutaka Chiba
    • Journal Title

      Journal of Biometrics and Biostatistics

      Volume: 3 Issue: 07

    • DOI

      10.4172/2155-6180.1000e116

    • Data Source
      KAKENHI-PROJECT-23700344
  • [Journal Article] A simple method for sensitivity analysis of unmeasured confounding2012

    • Author(s)
      Yasutaka Chiba
    • Journal Title

      Journal of Biometrics and Biostatistics

      Volume: 3 Issue: 06

    • DOI

      10.4172/2155-6180.1000e113

    • Data Source
      KAKENHI-PROJECT-23700344
  • [Journal Article] A note on bounds for the causal infectiousness effect in vaccine trials2012

    • Author(s)
      Yasutaka Chiba
    • Journal Title

      Statistics and Probability Letters

      Volume: 82 Issue: 7 Pages: 1422-1429

    • DOI

      10.1016/j.spl.2012.04.002

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23700344
  • [Journal Article] On the identification of the survivor average ~2011

    • Author(s)
      Yasutaka Chiba
    • Journal Title

      Journal of Biometrics and Biostatistics

      Volume: 2 Issue: 05

    • DOI

      10.4172/2155-6180.1000e104

    • Data Source
      KAKENHI-PROJECT-23700344
  • [Journal Article] Marginal structural models for estimating ~2011

    • Author(s)
      Yasutaka Chiba
    • Journal Title

      Biometrical Journal

      Volume: 53 Issue: 6 Pages: 1025-1034

    • DOI

      10.1002/bimj.201100085

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23700344
  • [Presentation] 結果変数が順序カテゴリカル変数のときのランダム化試験における因果効果のベイズ推測2020

    • Author(s)
      千葉康敬
    • Organizer
      統計学会連合大会
    • Invited
    • Data Source
      KAKENHI-PROJECT-19K11871
  • [Presentation] Inference of average causal effects in a randomized trial with a binary outcome2019

    • Author(s)
      Chiba Y
    • Organizer
      International Causal Inference Conference
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K11871
  • [Presentation] Bayesian inference of causal effects in randomized trials with a binary outcome2018

    • Author(s)
      Chiba Y
    • Organizer
      The 29th International Biometric Conference
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K00057
  • [Presentation] 因果推論で分割表正確検定を考える2017

    • Author(s)
      千葉康敬
    • Organizer
      統計数理研究所リスク解析戦略研究センター研究集会「因果推論の基礎」
    • Place of Presentation
      統計数理研究所(東京都立川市)
    • Year and Date
      2017-02-16
    • Invited
    • Data Source
      KAKENHI-PROJECT-15K00057
  • [Presentation] Stratified exact test and confidence interval for causal effects on a binary outcome based on principal stratification2016

    • Author(s)
      Yasutaka Chiba
    • Organizer
      The 2016 Joint Statistical Meeting
    • Place of Presentation
      McCormick Place (Chicago, IL, U.S.A.)
    • Year and Date
      2016-07-30
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K00057
  • [Presentation] 研究目的とデータ取得方法に応じた統計解析2016

    • Author(s)
      千葉康敬
    • Organizer
      第112回医学物理学会
    • Place of Presentation
      沖縄コンベンションセンター(沖縄県宜野湾市)
    • Year and Date
      2016-09-08
    • Invited
    • Data Source
      KAKENHI-PROJECT-15K00057
  • [Presentation] Exact tests for the weak causal null hypothesis on a binary outcome in randomized trials2015

    • Author(s)
      Yasutaka Chiba
    • Organizer
      East Asia Regional Biometric Conference
    • Place of Presentation
      Conference Hall, Kyushu University Station-I for Collaborative Research (Fukuoka, Japan)
    • Year and Date
      2015-12-20
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K00057
  • [Presentation] 統計的仮説検定における注意点2015

    • Author(s)
      千葉康敬
    • Organizer
      医学物理学会
    • Place of Presentation
      北海道大学医学部学友会館フラテ(北海道札幌市)
    • Year and Date
      2015-09-18
    • Invited
    • Data Source
      KAKENHI-PROJECT-15K00057
  • [Presentation] 非劣性試験における2×2分割表の正確検定2015

    • Author(s)
      千葉康敬
    • Organizer
      統計関連学会連合大会
    • Place of Presentation
      岡山大学津島キャンパス(岡山県岡山市)
    • Year and Date
      2015-09-06
    • Data Source
      KAKENHI-PROJECT-15K00057
  • [Presentation] Conditional and unconditional infectiousness effects in vaccine trials: the relation and estimation2013

    • Author(s)
      Yasutaka Chiba
    • Organizer
      Annual Meeting of the Society for Epidemiologic Research
    • Place of Presentation
      Boston (U.S.A.)
    • Data Source
      KAKENHI-PROJECT-23700344
  • [Presentation] Simple techniques to assess the principal strata effect: estimation, sensitivity analysis, and bounds2013

    • Author(s)
      Yasutaka Chiba
    • Organizer
      Joint Statistical Meeting
    • Place of Presentation
      Montreal (Canada)
    • Invited
    • Data Source
      KAKENHI-PROJECT-23700344
  • [Presentation] Bounds for the causal infectiousness effect in vaccine trials2012

    • Author(s)
      Yasutaka Chiba
    • Organizer
      Joint Statistical Meeting
    • Place of Presentation
      San Diego (U.S.A.)
    • Data Source
      KAKENHI-PROJECT-23700344
  • [Presentation] The large sample bounds on the principal strata effect with application to a prostate cancer prevention trial2012

    • Author(s)
      Yasutaka Chiba
    • Organizer
      International Biometric Conference
    • Place of Presentation
      Kobe (Japan)
    • Data Source
      KAKENHI-PROJECT-23700344
  • [Presentation] 主要層別に基づく2×2分割表の正確検定

    • Author(s)
      千葉康敬
    • Organizer
      日本計量生物学会年会
    • Place of Presentation
      芝蘭会館(京都)
    • Year and Date
      2015-03-12 – 2015-03-13
    • Data Source
      KAKENHI-PROJECT-23700344
  • [Presentation] Attributable fractions and excess fractions with multiple exposure level: the relations and bounds

    • Author(s)
      Chiba Y
    • Organizer
      Joint Statistical Meeting
    • Place of Presentation
      Boston (U.S.A.)
    • Year and Date
      2014-08-03 – 2014-08-08
    • Data Source
      KAKENHI-PROJECT-23700344
  • 1.  TAMAKI Junko (90326356)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 2.  伊木 雅之 (50184388)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 3.  佐藤 裕保 (10337115)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 4.  臼田 寛 (80298752)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 5.  梶田 悦子 (50135373)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 6.  由良 晶子 (80142595)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 7.  久藤 麻子 (10289605)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 8.  林 江美 (50445988)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 9.  神谷 訓康 (90780073)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 10.  藤田 裕規 (10330797)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 11.  上西 一弘 (40232764)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 12.  顧 艶紅 (30470595)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 13.  新田 明美 (00737744)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 14.  池原 賢代 (70589465)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 15.  立木 隆広 (10734650)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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