The Journal of frailty & aging · 2024
Application of a Social Vulnerability Index and Its Associations with Physical Frailty and Disability in a Cross-sectional Study of Older Kenyan Women Living with and without HIV.
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Prabhu S, Oyaro B, Wanje G, Aunon F M, Gomez Juarez N, Flaherty B P, McCormick W, Andrew M K, Jaoko W, McClelland R S, Graham S M
Аннотация
BACKGROUND: Social vulnerability reflects deficits in social resources that may disproportionally impact older women with HIV (WWH) in Africa.
OBJECTIVE: To examine the relationship between scores on an adapted Social Vulnerability Index (SVI) and measures of physical frailty and disability.
DESIGN: Cross-sectional study.
PARTICIPANTS: 293 women (156 HIV-positive, 137 HIV-negative) aged >40 years in Mombasa, Kenya who were recruited from the Mombasa Cohort of women with a history of transactional sex and the general community.
MEASUREMENTS: Assessments including an SVI adapted for the Kenyan context (SVI-Kenya), the Clinical Frailty Scale (CFS) and the World Health Organization Disability Assessment (WHODAS) were compared by HIV status. Linear regression was used to determine the relationship between SVI-Kenya score and both CFS and WHODAS, after adjustment for potential confounders. An exploratory analysis identified factors associated with SVI-Kenya score. An age-by-HIV-status interaction term was tested and retained if significant in unadjusted analyses.
RESULTS: Mean SVI-Kenya score was 34.1 (SD, 12.9) and did not differ by HIV status (p=0.49). In adjusted analyses, each increment in SVI-Kenya score was associated with a 1.10-point higher WHODAS score (95%CI:0. 21, 1.99), but not with CFS. In exploratory analysis, factors associated with higher SVI-Kenya score included WHODAS score (adjusted beta=0.20; 95%CI: 0.05,0.35) and Mombasa Cohort recruitment (adjusted beta=5.91; 95%CI: 2.07,9.75). Being married, separated/divorced, or widowed predicted lower SVI-Kenya scores (by 5.52-9.09 points) compared to being single. Age did not predict SVI-Kenya score.
CONCLUSION: Social vulnerability as measured by the SVI-Kenya score was associated with greater disability but not physical frailty. Social vulnerability was also associated with prior sex work and never having married. Our findings suggest that social vulnerability is a distinct construct from physical frailty among older Kenyan women and not related to HIV status.
OBJECTIVE: To examine the relationship between scores on an adapted Social Vulnerability Index (SVI) and measures of physical frailty and disability.
DESIGN: Cross-sectional study.
PARTICIPANTS: 293 women (156 HIV-positive, 137 HIV-negative) aged >40 years in Mombasa, Kenya who were recruited from the Mombasa Cohort of women with a history of transactional sex and the general community.
MEASUREMENTS: Assessments including an SVI adapted for the Kenyan context (SVI-Kenya), the Clinical Frailty Scale (CFS) and the World Health Organization Disability Assessment (WHODAS) were compared by HIV status. Linear regression was used to determine the relationship between SVI-Kenya score and both CFS and WHODAS, after adjustment for potential confounders. An exploratory analysis identified factors associated with SVI-Kenya score. An age-by-HIV-status interaction term was tested and retained if significant in unadjusted analyses.
RESULTS: Mean SVI-Kenya score was 34.1 (SD, 12.9) and did not differ by HIV status (p=0.49). In adjusted analyses, each increment in SVI-Kenya score was associated with a 1.10-point higher WHODAS score (95%CI:0. 21, 1.99), but not with CFS. In exploratory analysis, factors associated with higher SVI-Kenya score included WHODAS score (adjusted beta=0.20; 95%CI: 0.05,0.35) and Mombasa Cohort recruitment (adjusted beta=5.91; 95%CI: 2.07,9.75). Being married, separated/divorced, or widowed predicted lower SVI-Kenya scores (by 5.52-9.09 points) compared to being single. Age did not predict SVI-Kenya score.
CONCLUSION: Social vulnerability as measured by the SVI-Kenya score was associated with greater disability but not physical frailty. Social vulnerability was also associated with prior sex work and never having married. Our findings suggest that social vulnerability is a distinct construct from physical frailty among older Kenyan women and not related to HIV status.