Associations of life course obesity with endometrial cancer in the Epidemiology of Endometrial Cancer Consortium (E2C2).
BMI
BMI change
Endometrial cancer
epidemiology
gynaecology
life course exposures
obesity
uterine cancer
weight change
weight loss
Journal
International journal of epidemiology
ISSN: 1464-3685
Titre abrégé: Int J Epidemiol
Pays: England
ID NLM: 7802871
Informations de publication
Date de publication:
02 08 2023
02 08 2023
Historique:
received:
04
08
2022
accepted:
04
04
2023
medline:
4
8
2023
pubmed:
9
4
2023
entrez:
8
4
2023
Statut:
ppublish
Résumé
Adult obesity is a strong risk factor for endometrial cancer (EC); however, associations of early life obesity with EC are inconclusive. We evaluated associations of young adulthood (18-21 years) and adulthood (at enrolment) body mass index (BMI) and weight change with EC risk in the Epidemiology of Endometrial Cancer Consortium (E2C2). We pooled data from nine case-control and 11 cohort studies in E2C2. We performed multivariable logistic regression analyses to estimate odds ratios (OR) and 95% confidence intervals (95% CI) for BMI (kg/m2) in young adulthood and adulthood, with adjustment for BMI in adulthood and young adulthood, respectively. We evaluated categorical changes in weight (5-kg increments) and BMI from young adulthood to adulthood, and stratified analyses by histology, menopausal status, race and ethnicity, hormone replacement therapy (HRT) use and diabetes. We included 14 859 cases and 40 859 controls. Obesity in adulthood (OR = 2.85, 95% CI = 2.47-3.29) and young adulthood (OR = 1.26, 95% CI = 1.06-1.50) were positively associated with EC risk. Weight gain and BMI gain were positively associated with EC; weight loss was inversely associated with EC. Young adulthood obesity was more strongly associated with EC among cases diagnosed with endometrioid histology, those who were pre/perimenopausal, non-Hispanic White and non-Hispanic Black, among never HRT users and non-diabetics. Young adulthood obesity is associated with EC risk, even after accounting for BMI in adulthood. Weight gain is also associated with EC risk, whereas weight loss is inversely associated. Achieving and maintaining a healthy weight over the life course is important for EC prevention efforts.
Sections du résumé
BACKGROUND
Adult obesity is a strong risk factor for endometrial cancer (EC); however, associations of early life obesity with EC are inconclusive. We evaluated associations of young adulthood (18-21 years) and adulthood (at enrolment) body mass index (BMI) and weight change with EC risk in the Epidemiology of Endometrial Cancer Consortium (E2C2).
METHODS
We pooled data from nine case-control and 11 cohort studies in E2C2. We performed multivariable logistic regression analyses to estimate odds ratios (OR) and 95% confidence intervals (95% CI) for BMI (kg/m2) in young adulthood and adulthood, with adjustment for BMI in adulthood and young adulthood, respectively. We evaluated categorical changes in weight (5-kg increments) and BMI from young adulthood to adulthood, and stratified analyses by histology, menopausal status, race and ethnicity, hormone replacement therapy (HRT) use and diabetes.
RESULTS
We included 14 859 cases and 40 859 controls. Obesity in adulthood (OR = 2.85, 95% CI = 2.47-3.29) and young adulthood (OR = 1.26, 95% CI = 1.06-1.50) were positively associated with EC risk. Weight gain and BMI gain were positively associated with EC; weight loss was inversely associated with EC. Young adulthood obesity was more strongly associated with EC among cases diagnosed with endometrioid histology, those who were pre/perimenopausal, non-Hispanic White and non-Hispanic Black, among never HRT users and non-diabetics.
CONCLUSIONS
Young adulthood obesity is associated with EC risk, even after accounting for BMI in adulthood. Weight gain is also associated with EC risk, whereas weight loss is inversely associated. Achieving and maintaining a healthy weight over the life course is important for EC prevention efforts.
Identifiants
pubmed: 37029916
pii: 7111259
doi: 10.1093/ije/dyad046
pmc: PMC10396409
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, P.H.S.
Research Support, N.I.H., Extramural
Research Support, N.I.H., Intramural
Langues
eng
Sous-ensembles de citation
IM
Pagination
1086-1099Subventions
Organisme : NCI NIH HHS
ID : U01 CA250476
Pays : United States
Organisme : NCI NIH HHS
ID : R03 CA169888
Pays : United States
Organisme : NCI NIH HHS
ID : P30 CA008748
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA058420
Pays : United States
Organisme : NCI NIH HHS
ID : U01 CA164974
Pays : United States
Organisme : NCI NIH HHS
ID : U01 CA199277
Pays : United States
Organisme : NCI NIH HHS
ID : P30 CA033572
Pays : United States
Organisme : NCI NIH HHS
ID : P30 CA023100
Pays : United States
Organisme : NCI NIH HHS
ID : UM1 CA164917
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA077398
Pays : United States
Organisme : NCCDPHP CDC HHS
ID : NU58DP006344
Pays : United States
Organisme : NCI NIH HHS
ID : HHSN261201800032I
Pays : United States
Organisme : NCI NIH HHS
ID : HHSN261201800015I
Pays : United States
Organisme : NCI NIH HHS
ID : HHSN261201800009I
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA105212
Pays : United States
Organisme : NCI NIH HHS
ID : U01 CA164973
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA082838
Pays : United States
Organisme : Intramural NIH HHS
ID : ZIA CP010126
Pays : United States
Organisme : NCI NIH HHS
ID : R01 CA092585
Pays : United States
Organisme : NCI NIH HHS
ID : U01 CA202979
Pays : United States
Informations de copyright
Published by Oxford University Press on behalf of the International Epidemiological Association 2023.
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