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Body Size over the Life Course and the Risk of Colorectal Cancer in Postmenopausal Women- [electronic resource]
Body Size over the Life Course and the Risk of Colorectal Cancer in Postmenopausal Women- [electronic resource]

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자료유형  
 학위논문
Control Number  
0016935072
International Standard Book Number  
9798380344951
Dewey Decimal Classification Number  
614.4
Main Entry-Personal Name  
Su, Le.
Publication, Distribution, etc. (Imprint  
[S.l.] : Indiana University., 2023
Publication, Distribution, etc. (Imprint  
Ann Arbor : ProQuest Dissertations & Theses, 2023
Physical Description  
1 online resource(80 p.)
General Note  
Source: Dissertations Abstracts International, Volume: 85-03, Section: A.
General Note  
Advisor: Luo, Juhua.
Dissertation Note  
Thesis (Ph.D.)--Indiana University, 2023.
Restrictions on Access Note  
This item must not be sold to any third party vendors.
Summary, Etc.  
요약Background: Evidence suggests that suboptimal birth weight may play a role in the development of colorectal cancer (CRC) later in life. Also, higher body mass index (BMI) has been linked to an increased risk of CRC. However, the impact of changes in body size over time on CRC risks remains uncertain. It is also unclear if adult body size influences the relationship between birth weight and the risk of CRC.Objectives: 1) To examine the body size trajectories during adulthood; 2) To investigate the associations between various adult body size measures and CRC risk; 3) To explore the association between birth weight and the risk of CRC; 4) To examine the potential mediation effects of adult body sizes on the association between birth weight and the risk of CRC.Methods: The growth mixture model was used to model trajectories of BMI. Cox proportional hazards regression was used to estimate the hazard ratios (HR) and corresponding 95% confidence interval (CI) of age-specific BMI, BMI trajectories, waist circumference, adult weight gain from age 18 to 50, as well as birth weight on the risk of CRC. Multiple mediation analyses were used to evaluate whether the association between birth weight and the CRC risk was mediated by adult body size.Results: Women who progressed from normal to obesity (HR 1.29, 95%CI 1.09-1.53) and women who remained overweight/obesity (HR 1.37, 95%CI 1.13-1.68) had higher CRC risks. A weight gain 15 kg from age 18 to 50 (HR 1.20, 95%CI 1.04-1.40) and baseline waist circumference 88 cm (HR 1.33, 95%CI 1.19-1.49) were associated with higher CRC risks. Compared with birth weights of 6- 8 lbs, birth weight ≥ 8 lbs was associated with higher CRC risk in postmenopausal women (HR = 1.31, 95%CI 1.16-1.48). The joint effect of adult height and weight explained 21.6 % of this positive association.Conclusion: Our study highlights the importance of maintaining a healthy body size over the life course. Our findings also suggested that the intrauterine environment and fetal development may play a role in the risk of developing CRC later in life.
Subject Added Entry-Topical Term  
Epidemiology.
Subject Added Entry-Topical Term  
Public health.
Subject Added Entry-Topical Term  
Oncology.
Subject Added Entry-Topical Term  
Womens studies.
Index Term-Uncontrolled  
Colorectal cancer
Index Term-Uncontrolled  
Postmenopausal women
Index Term-Uncontrolled  
Body size
Index Term-Uncontrolled  
Birth weight
Added Entry-Corporate Name  
Indiana University School of Public Health
Host Item Entry  
Dissertations Abstracts International. 85-03A.
Host Item Entry  
Dissertation Abstract International
Electronic Location and Access  
로그인을 한후 보실 수 있는 자료입니다.
Control Number  
joongbu:640809

MARC

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■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a614.4
■1001  ▼aSu,  Le.▼0(orcid)0000-0003-2810-1703
■24510▼aBody  Size  over  the  Life  Course  and  the  Risk  of  Colorectal  Cancer  in  Postmenopausal  Women▼h[electronic  resource]
■260    ▼a[S.l.]▼bIndiana  University.  ▼c2023
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2023
■300    ▼a1  online  resource(80  p.)
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  85-03,  Section:  A.
■500    ▼aAdvisor:  Luo,  Juhua.
■5021  ▼aThesis  (Ph.D.)--Indiana  University,  2023.
■506    ▼aThis  item  must  not  be  sold  to  any  third  party  vendors.
■520    ▼aBackground:  Evidence  suggests  that  suboptimal  birth  weight  may  play  a  role  in  the  development  of  colorectal  cancer  (CRC)  later  in  life.  Also,  higher  body  mass  index  (BMI)  has  been  linked  to  an  increased  risk  of  CRC.  However,  the  impact  of  changes  in  body  size  over  time  on  CRC  risks  remains  uncertain.  It  is  also  unclear  if  adult  body  size  influences  the  relationship  between  birth  weight  and  the  risk  of  CRC.Objectives:  1)  To  examine  the  body  size  trajectories  during  adulthood;  2)  To  investigate  the  associations  between  various  adult  body  size  measures  and  CRC  risk;  3)  To  explore  the  association  between  birth  weight  and  the  risk  of  CRC;  4)  To  examine  the  potential  mediation  effects  of  adult  body  sizes  on  the  association  between  birth  weight  and  the  risk  of  CRC.Methods:  The  growth  mixture  model  was  used  to  model  trajectories  of  BMI.  Cox  proportional  hazards  regression  was  used  to  estimate  the  hazard  ratios  (HR)  and  corresponding  95%  confidence  interval  (CI)  of  age-specific  BMI,  BMI  trajectories,  waist  circumference,  adult  weight  gain  from  age  18  to  50,  as  well  as  birth  weight  on  the  risk  of  CRC.  Multiple  mediation  analyses  were  used  to  evaluate  whether  the  association  between  birth  weight  and  the  CRC  risk  was  mediated  by  adult  body  size.Results:  Women  who  progressed  from  normal  to  obesity  (HR  1.29,  95%CI  1.09-1.53)  and  women  who  remained  overweight/obesity  (HR  1.37,  95%CI  1.13-1.68)  had  higher  CRC  risks.  A  weight  gain    15  kg  from  age  18  to  50  (HR  1.20,  95%CI  1.04-1.40)  and  baseline  waist  circumference  88  cm  (HR  1.33,  95%CI  1.19-1.49)  were  associated  with  higher  CRC  risks.  Compared  with  birth  weights  of  6-  8  lbs,  birth  weight  ≥  8  lbs  was  associated  with  higher  CRC  risk  in  postmenopausal  women  (HR  =  1.31,  95%CI  1.16-1.48).  The  joint  effect  of  adult  height  and  weight  explained  21.6  %  of  this  positive  association.Conclusion:  Our  study  highlights  the  importance  of  maintaining  a  healthy  body  size  over  the  life  course.  Our  findings  also  suggested  that  the  intrauterine  environment  and  fetal  development  may  play  a  role  in  the  risk  of  developing  CRC  later  in  life.
■590    ▼aSchool  code:  0093.
■650  4▼aEpidemiology.
■650  4▼aPublic  health.
■650  4▼aOncology.
■650  4▼aWomens  studies.
■653    ▼aColorectal  cancer
■653    ▼aPostmenopausal  women
■653    ▼aBody  size
■653    ▼aBirth  weight
■690    ▼a0766
■690    ▼a0453
■690    ▼a0992
■690    ▼a0573
■71020▼aIndiana  University▼bSchool  of  Public  Health.
■7730  ▼tDissertations  Abstracts  International▼g85-03A.
■773    ▼tDissertation  Abstract  International
■790    ▼a0093
■791    ▼aPh.D.
■792    ▼a2023
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T16935072▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.
■980    ▼a202402▼f2024

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