ArticleBMC geriatrics2026
The association between frailty and quality of life in elderly population in Southern Iran: Findings from the Bushehr Elderly Health Program.
Article in BMC geriatrics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundFrailty is increasingly recognized as a common geriatric syndrome, particularly in rapidly ageing populations. Substantial evidence suggests that frailty is associated with poorer quality of life (QoL). However, in Iran, the relationship between frailty and both physical and mental QoL remains underexplored in community-dwelling older adults.
methodsThis cross-sectional study used data from 2,367 individuals aged 60 years or older (mean age: 69.3 ± 6.3 years) enrolled in the Bushehr Elderly Health Program, using a cluster random sampling approach. Frailty was assessed using the Fried frailty phenotype, which classified participants as non-frail, pre-frail, or frail. QoL was measured using the 12-item Short Form Health Survey (SF-12), which provides physical component summary (PCS) and mental component summary (MCS) scores. Covariates included age, sex, education, marital status, body mass index, number of physical and neuropsychiatric comorbidities, and living arrangements. Hierarchical linear regression and logistic regression were performed to assess the independent association between frailty status and QoL outcomes.
resultsIn this community-based sample, the prevalence of frailty was 8.0% (n = 191). Frail participants had lower mean PCS and MCS scores than non-frail individuals (PCS: 32.3 ± 7.85 vs. 45.8 ± 6.43; MCS: 42.1 ± 7.96 vs. 47.6 ± 7.49; both p < 0.001). In fully adjusted linear regression models, frailty status was independently associated with lower PCS scores (frail: β = -9.51, 95% CI: -10.70 to -8.31; pre-frail: β = -4.41, 95% CI: -5.66 to -3.16) compared with non-frail status. Pre-frailty was also associated with lower MCS scores (β = -1.15, 95% CI: -1.94 to -0.36), whereas the association between frailty and MCS did not reach statistical significance (β = -0.92, 95% CI: -2.44 to 0.60). In logistic regression, frail individuals had higher odds of being in the lowest PCS quartile (adjusted odds ratio [aOR] = 13.77, 95% CI: 8.81-21.52) and the lowest MCS quartile (aOR = 1.56, 95% CI: 1.02-2.39).
conclusionFrailty is common among Iranian older adults and is independently associated with poorer physical QoL and, to a lesser extent, mental QoL. These findings support the need for targeted screening and multidomain interventions.
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