Epidemiology and Health

Original Articles

Gender differences in awareness and practices of cancer prevention recommendations in Korea: a cross-sectional survey: Yoonjoo Choi, Naeun Kim, Jin-Kyoung Oh, Yoon-Jung Choi, Bohyun Park, Byungmi Kim; Epidemiol Health. 2025;47:e2025003. Published online January 15, 2025; DOI: https://doi.org/10.4178/epih.e2025003

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Abstract Summary PDF Supplementary Material: Abstract
OBJECTIVES
Gender is a major determinant of health behaviors that influences cancer prevention awareness and practices. This study investigated the relationship of the awareness and practice rates of cancer prevention recommendations with gender and socioeconomic status.
METHODS
We used data from the Korean National Cancer Prevention Awareness and Practice Survey (2023). The sample included 4,000 men and women aged 20-74 years. We conducted multiple logistic regression analyses to evaluate associations with the awareness and practices of cancer prevention, and a joinpoint regression analysis using age-standardized rates to analyze trends in awareness and practice rates from 2007 to 2023.
RESULTS
The awareness rates were 79.4% and 81.2% for men and women, respectively. The overall practice rates were substantially lower (43.1% for men and 48.9% for women). For men, awareness rates did not differ significantly by socio-demographic characteristics, but practice rates increased with age (20-29: 15.9%; 60-74: 53.8%). For women, both awareness (20-29: 73.0%; 60-74: 85.7%) and practice (20-29: 16.8%; 60-74: 67.5%) rates increased with age. The easiest recommendations to follow were “reducing salt intake and avoiding burnt or charred foods” (men: 29.9%; women: 28.4%), whereas the most difficult recommendation was “engaging in regular physical activity” (men: 32.5%; women: 34.4%).
CONCLUSIONS
While awareness of cancer prevention recommendations was high, the practice of these recommendations was low. Gender influenced changes in awareness and practice rates over time, reflecting a large gap in practice. Future research should explore appropriate intervention points for cancer prevention practices and the development of more effective cancer prevention policies.; Summary

Korean summary
암 예방에 대한 인식은 남녀 모두 높은 수준이었으나, 실천에서는 성별 차이가 크게 나타났다. 효과적인 암 예방 정책 수립을 위해 성별에 따른 실천 격차를 고려한 전략이 필요하다.

Key Message
Many factors influence cancer prevention awareness and practice, and gender is a crucial determinant of health behaviour in general. This study found that while awareness was reasonably high among both men and women, there was a signifi- cant gender gap in practice. Given the variation in health behaviours by gender, further evaluation of gender effects is nec- essary to inform future policy interventions aimed at improving cancer prevention practices.

Sex-specific associations between dietary legume subtypes and type 2 diabetes in a prospective cohort study: Hye Won Woo, Sangmo Hong, Min-Ho Shin, Sang Baek Koh, Hyeon Chang Kim, Yu-Mi Kim, Mi Kyung Kim; Epidemiol Health. 2024;46:e2024083. Published online October 17, 2024; DOI: https://doi.org/10.4178/epih.e2024083

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Abstract Summary PDF Supplementary Material: Abstract
OBJECTIVES
Dietary soy, known for its high phytoestrogen content, has been suggested to exhibit a sex-specific association with type 2 diabetes. However, evidence regarding the sex-specific associations of different legume subtypes with type 2 diabetes remains scarce. We aimed to evaluate whether habitual consumption of soy and non-soy legumes (beans and peanuts) was prospectively and sex-specifically associated with the risk of type 2 diabetes incidence, taking into considering significant sex-specific genetic factors beyond legume consumption.
METHODS
A total of 16,666 participants (96,945 person-years) were followed and 945 incident cases were observed. Cumulative intake of legume subtypes was calculated using a food frequency questionnaire administered at baseline and during the revisit surveys.
RESULTS
Non-soy legumes are inversely associated with type 2 diabetes in both men and women. Dietary soy intake, however, demonstrated a unilaterally interacting sex-specific association with type 2 diabetes risk (pinteraction for sex=0.017). Specifically, there was a significant inverse association with type 2 diabetes risk in women (incidence rate ratio, 0.66; 95% confidence interval, 0.48 to 0.80; ptrend=0.007), but no such association was observed in men. This sex-specific association persisted and even appeared antagonistic in minor allele carriers of 2 novel single nucleotide polymorphisms, rs10196939 (LRRTM4) and rs11750158 (near GFPT2) (pinteraction for sex=0.001 and 0.011, respectively).
CONCLUSIONS
Habitual consumption of legumes shows protective impacts against type 2 diabetes, although these benefits vary by sex. Non-soy legumes provide health advantages for both men and women, whereas soy consumption seems to be beneficial exclusively for women.; Summary

Korean summary
콩류 섭취는 제2형 당뇨병 예방에 도움이 되는데, 대두를 제외한 콩류와 땅콩은 남녀 모두에게 건강상의 이점이 있는 반면, 대두는 여성에게만 보호적 이점이 있는 것으로 관찰되었다. 대두 섭취는 남성과 여성에서 서로 다른 영향을 미치는 것으로 관찰되었으며, 이는 대두 섭취의 건강상의 영향이 성별에 따라 다르게 나타날 수 있음을 시사하였다.

Key Message
Our findings showed that while legume consumption was protective against type 2 diabetes, beans and peanuts demonstrated health benefits in both sexes, whereas soy's protective benefits were observed only in women. Soy consumption was observed to have different effects between men and women, suggesting that the health impact of soy intake may differ by sex.

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