Adult lifetime body mass index trajectories and endometrial cancer risk
© 2021 John Wiley & Sons Ltd..
OBJECTIVE: To identify body mass index (BMI) trajectories in adult life and to examine their association with endometrial cancer (EC) risk, also exploring whether relations differ by hormonal replacement therapy use.
DESIGN: Pooled analysis of two case-control studies.
SETTING: Italy and Switzerland.
POPULATION: A total of 458 EC cases and 782 controls.
METHODS: We performed a latent class growth model to identify homogeneous BMI trajectories over six decades of age, with a polynomial function of age. Odds ratios (ORs) and the corresponding 95% CI for EC risk were derived through a multiple logistic regression model, correcting for classification error.
MAIN OUTCOME MEASURES: The relation of BMI trajectories with endometrial cancer.
RESULTS: We identified five BMI trajectories. Compared with women in the 'Normal weight-stable' trajectory, a reduction by about 50% in the risk of EC emerged for those in the 'Underweight increasing to normal weight' (95% CI 0.28-0.99). The 'Normal weight increasing to overweight' and the 'Overweight-stable' trajectories were associated with, respectively, an excess of 3% (95% CI 0.66-1.60) and of 71% (95% CI 1.12-2.59) in cancer risk. The OR associated to the trajectory 'Overweight increasing to obese' was 2.03 (95% CI 1.31-3.13). Stronger effects emerged among hormonal replacement therapy never users (OR 2.19 for the 'Overweight-stable' trajectory and OR 2.49 for the 'Overweight increasing to obese' trajectory).
CONCLUSIONS: Our study suggests that longer exposure to overweight and obesity across a lifetime is associated with an increased risk of endometrial cancer. Weight during adulthood also appears to play an important role.
TWEETABLE ABSTRACT: Longer exposure to overweight and obesity across a lifetime is associated with an increased risk of endometrial cancer.
Medienart: |
E-Artikel |
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Erscheinungsjahr: |
2022 |
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Erschienen: |
2022 |
Enthalten in: |
Zur Gesamtaufnahme - volume:129 |
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Enthalten in: |
BJOG : an international journal of obstetrics and gynaecology - 129(2022), 9 vom: 01. Aug., Seite 1521-1529 |
Sprache: |
Englisch |
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Beteiligte Personen: |
Dalmartello, Michela [VerfasserIn] |
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Links: |
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Themen: |
Body mass index |
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Anmerkungen: |
Date Completed 12.07.2022 Date Revised 13.07.2022 published: Print-Electronic Citation Status MEDLINE |
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doi: |
10.1111/1471-0528.17087 |
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funding: |
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Förderinstitution / Projekttitel: |
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PPN (Katalog-ID): |
NLM334985293 |
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520 | |a © 2021 John Wiley & Sons Ltd. | ||
520 | |a OBJECTIVE: To identify body mass index (BMI) trajectories in adult life and to examine their association with endometrial cancer (EC) risk, also exploring whether relations differ by hormonal replacement therapy use | ||
520 | |a DESIGN: Pooled analysis of two case-control studies | ||
520 | |a SETTING: Italy and Switzerland | ||
520 | |a POPULATION: A total of 458 EC cases and 782 controls | ||
520 | |a METHODS: We performed a latent class growth model to identify homogeneous BMI trajectories over six decades of age, with a polynomial function of age. Odds ratios (ORs) and the corresponding 95% CI for EC risk were derived through a multiple logistic regression model, correcting for classification error | ||
520 | |a MAIN OUTCOME MEASURES: The relation of BMI trajectories with endometrial cancer | ||
520 | |a RESULTS: We identified five BMI trajectories. Compared with women in the 'Normal weight-stable' trajectory, a reduction by about 50% in the risk of EC emerged for those in the 'Underweight increasing to normal weight' (95% CI 0.28-0.99). The 'Normal weight increasing to overweight' and the 'Overweight-stable' trajectories were associated with, respectively, an excess of 3% (95% CI 0.66-1.60) and of 71% (95% CI 1.12-2.59) in cancer risk. The OR associated to the trajectory 'Overweight increasing to obese' was 2.03 (95% CI 1.31-3.13). Stronger effects emerged among hormonal replacement therapy never users (OR 2.19 for the 'Overweight-stable' trajectory and OR 2.49 for the 'Overweight increasing to obese' trajectory) | ||
520 | |a CONCLUSIONS: Our study suggests that longer exposure to overweight and obesity across a lifetime is associated with an increased risk of endometrial cancer. Weight during adulthood also appears to play an important role | ||
520 | |a TWEETABLE ABSTRACT: Longer exposure to overweight and obesity across a lifetime is associated with an increased risk of endometrial cancer | ||
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700 | 1 | |a Levi, Fabio |e verfasserin |4 aut | |
700 | 1 | |a La Vecchia, Carlo |e verfasserin |4 aut | |
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