Communication Dans Un Congrès Année : 2024

Describe the relationship between the Gender Inequality Index and the male/female incidence rate ratio from international cancer registries data.

Résumé

Background : Tumors represent the second leading cause of death worldwide, with about 70% of deaths occurring in low- and middle-income countries. Incidence and mortality rates vary considerably among countries and may be influenced by socioeconomic inequalities, particularly gender disparities (Siegel et al. 2017, Arnold et al. 2017, Vaccarella et al. 2022).Aim: To understand the relationship between gender inequalities and cancer incidence in each country. To do so, we used the 2021 Gender Inequality Index (GII) in conjunction with data from the Globocan 2022.Methods: We have focused so far on the most common gender-neutral cancers worldwide: lung, colon, liver, stomach, and rectum, as well as on the age categories: 40-69 years, and 70-85+ years. From the registries, we have constructed average male-to-female incidence ratio rates to report them by country. To analyze the relationship between these average rates and the GII, we have conducted a simple linear regression for each age category and country.Results: Our preliminary descriptive findings indicate a relationship between the level of GII and the average male-to-female incidence rate ratio. Additionally, we observe significant variations across cancer sites and age groups. For lung and colon cancers, age influences the association between GII and sex ratio, suggesting a higher incidence among males as GII increases in younger individuals. This trend reverses as individuals age, where an increase in GII is associated with a decrease in the male-to-female incidence rate ratio. In contrast, for liver, stomach, and rectum cancers, the correlation between the indicators is consistently negative across all age groups, with the regression slope becoming increasingly negative as age increases.Conclusion: These preliminary results highlight the relationship between the GII and the male-to-female incidence rate ratio. Major methodological issues arise from this work, which will be highlighted and discussed. We will continue our analyses to understand the mechanisms influencing this relationship and to explore other cancer site.

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hal-04602132 , version 1 (05-06-2024)

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Amalia Martinez, Léna Bonin, Michelle Kelly-Irving, Cyrille Delpierre, Pascale Grosclaude, et al.. Describe the relationship between the Gender Inequality Index and the male/female incidence rate ratio from international cancer registries data.. GRELL 2024 - Lausanne, GRELL Group for Cancer Epidemiology and Registration in Latin Language Countries, May 2024, Lausanne ( CH), Switzerland. ⟨hal-04602132⟩
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