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Asian Pac J Cancer Prev ; 20(2): 469-478, 2019 Feb 26.
Artigo em Inglês | MEDLINE | ID: mdl-30803209


Objective: Evaluate the beliefs about the risk factors for breast cancer in a population of women from the western Amazon and determine the factors associated with the higher belief scores presented by this population. Methods: A population-based cross-sectional study included 478 women aged >40 years residing in Rio Branco, Acre, Brazil. An American Cancer Society questionnaire was applied to assess the knowledge, attitudes, and beliefs about breast cancer. Results: The main beliefs about the risk factors for breast cancer were breast trauma (95%), use of underwire bra (58.5%), and a high number of sexual partners (55.5%). Women from younger age groups presented higher belief scores (Bcoefficient: ­0.04, 95% CI: ­0.07; ­0.01) than those of women from older age groups. A strong association was noted between high knowledge scores of risk factors and signs/symptoms of the disease and high belief scores in the study group (Bcoefficient:0.33;95%CI:0.28;0.38). Conclusion: The results indicate the existence of important beliefs related to the risk factors for breast cancer. Women from younger age groups, women who have seen a gynecologist in the past 2 years, and women who had more knowledge about the risk factors and signs and symptoms of breast cancer had higher belief scores.

Neoplasias da Mama/psicologia , Autoexame de Mama/psicologia , Comportamentos Relacionados com a Saúde , Conhecimentos, Atitudes e Prática em Saúde , Mamografia/psicologia , Adulto , Idoso , Brasil/epidemiologia , Neoplasias da Mama/diagnóstico , Neoplasias da Mama/epidemiologia , Estudos Transversais , Feminino , Humanos , Pessoa de Meia-Idade , Prognóstico , Inquéritos e Questionários
Asian Pac J Cancer Prev ; 18(3): 847-856, 2017 03 01.
Artigo em Inglês | MEDLINE | ID: mdl-28441797


Background: A general lack of women`s awareness of breast cancer has been one of the barriers to screening and early presentation. Thus, the aim of this study was to evaluate levels of knowledge about risk factors, and early warning signs of breast cancer, and to determine factors associated with better levels of comprehension. Methods: A population-based cross-sectional study was carried out among 478 women over 40 years old, living in Rio Branco city, western Amazon. All were interviewed using the "Breast cancer knowledge, attitudes and practice scale", developed by American Cancer Society. Results: Among the respondents, only 28.6% of women were aware that advanced age highly increases the risk. Around 30% of participants recognized nipple retraction as a sign of breast cancer. Breast cancer knowledge varied according to age in such a way that the mean scores were high from 40-69 years and decreased dramatically among those aged ≥70 (ß=-0.06,p=0.031). Access to health services such as the Pap-test (ß=2.45,p=0.027) and attending a gynecologist in the past two years (ß=1.88,p=0.005) were statistically associated with the score of breast cancer knowledge. Conclusion: The findings indicate that women living in urban areas, having gynecological assessment, considering herself at high risk of developing breast cancer and thinking that breast cancer is a fatal disease are statistically associated with good knowledge of breast cancer risk factors, signs and symptoms, even adjusting for age and education.