Carlos de Mestral, Saman Khalatbari-Soltani, Patrick Bodenmann, Yves Henchoz, Mauricio Avendano
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引用次数: 0
Abstract
Background: Frailty is a major public health concern in aging populations. Socioeconomic disadvantage increases the risk of frailty, yet the mechanisms underlying this association remain unclear.
Objectives: To examine the mediating role of chronic diseases in the longitudinal association between socioeconomic disadvantage and frailty.
Design: Population-based cohort study.
Setting: Lausanne, Switzerland.
Participants: 4731 community-dwelling adults aged 65-70 years at recruitment (2004, 2010, and 2014), followed for up to 16 years, as part of the Lausanne Cohort 65+.
Intervention: None.
Measurements: Socioeconomic disadvantage was assessed using indicators of education, occupation, income, health insurance subsidy, and financial strain. Frailty was measured using the Fried phenotype (unintentional weight loss, exhaustion, low physical activity, weakness, and slow walking speed). Chronic conditions (obesity, diabetes, hypertension, cardiovascular and respiratory disease, and multimorbidity [≥2 conditions]) were assessed at baseline using standardized self-reported physician diagnoses. Counterfactual mediation using Cox proportional hazards models estimated the proportion of the socioeconomic disadvantage-frailty association mediated by each condition.
Results: Socioeconomic disadvantage was associated with a 1.5-2.5-fold higher risk of incident frailty. Obesity mediated 13-55% of this association, diabetes 11-22%, and multimorbidity 21-39%, whereas hypertension, cardiovascular, and respiratory disease showed minimal or no mediation.
Conclusions: Chronic diseases-particularly obesity and diabetes-partly explain the long-term impact of socioeconomic disadvantage on frailty, underscoring stark inequities in healthy aging. Early detection and management of these conditions in socioeconomically vulnerable older adults, alongside population-level prevention and efforts to address adverse socioeconomic conditions as root causes, could help reduce these inequalities.
期刊介绍：
The Journal of Frailty & Aging is a peer-reviewed international journal aimed at presenting articles that are related to research in the area of aging and age-related (sub)clinical conditions. In particular, the journal publishes high-quality papers describing and discussing social, biological, and clinical features underlying the onset and development of frailty in older persons. The Journal of Frailty & Aging is composed by five different sections: - Biology of frailty and aging In this section, the journal presents reports from preclinical studies and experiences focused at identifying, describing, and understanding the subclinical pathophysiological mechanisms at the basis of frailty and aging. - Physical frailty and age-related body composition modifications Studies exploring the physical and functional components of frailty are contained in this section. Moreover, since body composition plays a major role in determining physical frailty and, at the same time, represents the most evident feature of the aging process, special attention is given to studies focused on sarcopenia and obesity at older age. - Neurosciences of frailty and aging The section presents results from studies exploring the cognitive and neurological aspects of frailty and age-related conditions. In particular, papers on neurodegenerative conditions of advanced age are welcomed. - Frailty and aging in clinical practice and public health This journal’s section is devoted at presenting studies on clinical issues of frailty and age-related conditions. This multidisciplinary section particularly welcomes reports from clinicians coming from different backgrounds and specialties dealing with the heterogeneous clinical manifestations of advanced age. Moreover, this part of the journal also contains reports on frailty- and age-related social and public health issues. - Clinical trials and therapeutics This final section contains all the manuscripts presenting data on (pharmacological and non-pharmacological) interventions aimed at preventing, delaying, or treating frailty and age-related conditions.The Journal of Frailty & Aging is a quarterly publication of original papers, review articles, case reports, controversies, letters to the Editor, and book reviews. Manuscripts will be evaluated by the editorial staff and, if suitable, by expert reviewers assigned by the editors. The journal particularly welcomes papers by researchers from different backgrounds and specialities who may want to share their views and experiences on the common themes of frailty and aging.The abstracting and indexing of the Journal of Frailty & Aging is covered by MEDLINE (approval by the National Library of Medicine in February 2016).
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