Socioeconomic position and breast cancer screening use in Chile: A population-based study

Background: Breast cancer screening is crucial for the early detection of the disease. Although several studies have examined the relationship between socioeconomic factors and mammography use, the impact of socioeconomic position (SEP) in countries undergoing demographic and epidemiological transit...

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Main Authors: Camilo Guerrero-Nancuante, Pamela Eguiguren, Isabel Abarca-Baeza, Isabel Guzmán, María Luisa Garmendia
Format: Article
Language:English
Published: Elsevier 2025-02-01
Series:Preventive Medicine Reports
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Online Access:http://www.sciencedirect.com/science/article/pii/S2211335525000129
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author Camilo Guerrero-Nancuante
Pamela Eguiguren
Isabel Abarca-Baeza
Isabel Guzmán
María Luisa Garmendia
author_facet Camilo Guerrero-Nancuante
Pamela Eguiguren
Isabel Abarca-Baeza
Isabel Guzmán
María Luisa Garmendia
author_sort Camilo Guerrero-Nancuante
collection DOAJ
description Background: Breast cancer screening is crucial for the early detection of the disease. Although several studies have examined the relationship between socioeconomic factors and mammography use, the impact of socioeconomic position (SEP) in countries undergoing demographic and epidemiological transitions—marked by a rising cancer incidence—and passive breast cancer screening programs in the search of the target population remains understudied. Objective: To analyze the relationship between SEP in the use of breast cancer screening in Chile during 2022. Methods: Data from the 2022 National Socioeconomic Characterization Survey was utilized for this study. The sample consisted of women aged 50–69 who were asked about their mammography screening history within the past three years. The relationship between SEP and breast cancer screening was analyzed using multilevel logit-binomial regression models. Results: The study included 26,337 women, of whom 66.9 % reported having undergone mammography in the past three years. Three SEP indicators were associated with non-use of mammography. These factors were primary education level or lower (Prevalence ratio = 1.20; 95 % CI 1.08–1.33. Ref: tertiary level), belonging to the low-income quintiles (eg: Quintile I (Prevalence ratio = 1.49; 95 % CI 1.30–1.69) and II (Prevalence ratio = 1.41; 95 % CI 1.24–1.60). Ref: quintile V) and being unemployed (Prevalence ratio = 1.34; 95 % CI 1.18–1.51) or working in service and commerce (Prevalence ratio = 1.21; 95 % CI 1.06–1.39) (Ref: Managers and professionals). Conclusions: Low SEP was significantly associated with the non-use of mammography. To improve mammography screening rates, it is essential to adopt strategies that incorporate both equity and territorial considerations.
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spelling doaj-art-ee9caff30c944046b8bf7bb2fd2c71632025-02-08T05:00:16ZengElsevierPreventive Medicine Reports2211-33552025-02-0150102973Socioeconomic position and breast cancer screening use in Chile: A population-based studyCamilo Guerrero-Nancuante0Pamela Eguiguren1Isabel Abarca-Baeza2Isabel Guzmán3María Luisa Garmendia4Programa de Doctorado en Salud Pública, Escuela de Salud Pública Dr. Salvador Allende, Universidad de Chile, Santiago 8380453, Chile; Escuela de Enfermería, Universidad de Valparaíso, Viña del Mar 2540064, ChileEscuela de Salud Pública Dr. Salvador Allende, Universidad de Chile, Santiago 8380453, ChileInstituto Nacional del Cáncer, Ministerio de Salud, Santiago 8380455, Chile; Programa de Doctorado en Metodología de la Investigación Biomédica y Salud Pública, Universitat Autònoma de Barcelona, Barcelona 08193, SpainEscuela de Salud Pública Dr. Salvador Allende, Universidad de Chile, Santiago 8380453, ChileInstituto de Nutrición y Tecnología de los Alimentos (INTA), Universidad de Chile, Santiago 7830490, Chile; Corresponding author.Background: Breast cancer screening is crucial for the early detection of the disease. Although several studies have examined the relationship between socioeconomic factors and mammography use, the impact of socioeconomic position (SEP) in countries undergoing demographic and epidemiological transitions—marked by a rising cancer incidence—and passive breast cancer screening programs in the search of the target population remains understudied. Objective: To analyze the relationship between SEP in the use of breast cancer screening in Chile during 2022. Methods: Data from the 2022 National Socioeconomic Characterization Survey was utilized for this study. The sample consisted of women aged 50–69 who were asked about their mammography screening history within the past three years. The relationship between SEP and breast cancer screening was analyzed using multilevel logit-binomial regression models. Results: The study included 26,337 women, of whom 66.9 % reported having undergone mammography in the past three years. Three SEP indicators were associated with non-use of mammography. These factors were primary education level or lower (Prevalence ratio = 1.20; 95 % CI 1.08–1.33. Ref: tertiary level), belonging to the low-income quintiles (eg: Quintile I (Prevalence ratio = 1.49; 95 % CI 1.30–1.69) and II (Prevalence ratio = 1.41; 95 % CI 1.24–1.60). Ref: quintile V) and being unemployed (Prevalence ratio = 1.34; 95 % CI 1.18–1.51) or working in service and commerce (Prevalence ratio = 1.21; 95 % CI 1.06–1.39) (Ref: Managers and professionals). Conclusions: Low SEP was significantly associated with the non-use of mammography. To improve mammography screening rates, it is essential to adopt strategies that incorporate both equity and territorial considerations.http://www.sciencedirect.com/science/article/pii/S2211335525000129Socioeconomic positionBreast cancer screeningMammographySocioeconomic inequitiesChile
spellingShingle Camilo Guerrero-Nancuante
Pamela Eguiguren
Isabel Abarca-Baeza
Isabel Guzmán
María Luisa Garmendia
Socioeconomic position and breast cancer screening use in Chile: A population-based study
Preventive Medicine Reports
Socioeconomic position
Breast cancer screening
Mammography
Socioeconomic inequities
Chile
title Socioeconomic position and breast cancer screening use in Chile: A population-based study
title_full Socioeconomic position and breast cancer screening use in Chile: A population-based study
title_fullStr Socioeconomic position and breast cancer screening use in Chile: A population-based study
title_full_unstemmed Socioeconomic position and breast cancer screening use in Chile: A population-based study
title_short Socioeconomic position and breast cancer screening use in Chile: A population-based study
title_sort socioeconomic position and breast cancer screening use in chile a population based study
topic Socioeconomic position
Breast cancer screening
Mammography
Socioeconomic inequities
Chile
url http://www.sciencedirect.com/science/article/pii/S2211335525000129
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