Shorter Telomere Length is Associated with Food Insecurity in Older People: A Cross-Sectional Study.

Celi Macedo Polo, Tábatta Renata Pereira de Brito, Wanderson Roberto Silva, Daniela Braga Lima, Daniella Pires Nunes, Fábio Antonio Colombo, Ariene Angelini Dos Santos Orlandi, Ligiana Pires Corona
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Abstract

Background: Telomere length has been investigated as a biomarker of biological aging and is associated with several diseases, lifestyle, and socioeconomic factors.

Objective: This study aimed to verify whether food insecurity is associated with shorter telomere length in older people.

Methods: This is a cross-sectional study carried out in a municipality in the interior of Brazil, with a sample of 440 older people from the community. For telomere length analysis, a blood sample was obtained from each participant, followed by real-time qPCR, and sociodemographic and health information was collected through interviews. Food security/insecurity was measured using the reduced version of the Brazilian Food Insecurity Scale. Descriptive analysis and multiple logistic regression were performed to analyze the factors associated with shorter telomere length, adopting a significance level of 5%.

Results: We found that food insecurity was significantly associated with shorter telomere length, regardless of age group, skin color, tabagism, physical activity, milk and dairy consumption, living arrangement, and basic activities of daily life.

Conclusion: The findings show the importance of ensuring full access to adequate nutrition for the older population, who are physiologically and socially vulnerable.

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端粒长度较短与老年人食物无保障有关:一项横断面研究
背景:端粒长度已被研究为生物衰老的生物标志物,并与多种疾病、生活方式和社会经济因素相关:本研究旨在验证食物不安全是否与老年人端粒长度缩短有关:这是一项横断面研究,在巴西内陆的一个城市进行,样本来自社区的 440 名老年人。为了分析端粒长度,研究人员采集了每位受试者的血液样本,然后进行了实时 qPCR 分析,并通过访谈收集了社会人口学和健康信息。食物安全/不安全程度采用缩小版的巴西食物不安全量表进行测量。采用描述性分析和多元逻辑回归分析端粒长度缩短的相关因素,显著性水平为 5%:结果:我们发现,无论年龄组、肤色、禁忌症、体育锻炼、牛奶和乳制品消费、居住安排和日常生活基本活动如何,食物不安全都与端粒长度缩短显著相关:结论:研究结果表明,确保老年人口获得充足的营养非常重要,因为他们在生理和社会方面都很脆弱。
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来源期刊
Current aging science
Current aging science Medicine-Geriatrics and Gerontology
CiteScore
3.90
自引率
0.00%
发文量
40
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