Frailty, depression risk, and 10-year mortality in older adults: the FRADEA study

Abstract Objectives: To investigate if depression risk modifies the association between frailty and mortality in older adults. Design: Ongoing cohort study. Setting: Albacete city, Spain Participants: Eight hundred subjects, 58.8% women, over 70 years of age from the Frailty and Dependence in Albace...

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Bibliographic Details
Published in:International psychogeriatrics 2021-08, Vol.33 (8), p.803-812
Main Authors: Ruiz-Grao, Marta Carolina, Sánchez-Jurado, Pedro Manuel, Molina-Alarcón, Milagros, Hernández-Martínez, Antonio, Avendaño Céspedes, Almudena, Abizanda, Pedro
Format: Article
Language:English
Subjects:
Cohort analysis
Comorbidity
Diabetes
Disability
Drug abuse
Frail
Frailty
Health status
Institutionalization
Liver diseases
Medical records
Mental depression
Mortality
Mortality rates
Older people
Onsite
Original Research Article
Polypharmacy
Survival analysis
Women
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Summary:Abstract Objectives: To investigate if depression risk modifies the association between frailty and mortality in older adults. Design: Ongoing cohort study. Setting: Albacete city, Spain Participants: Eight hundred subjects, 58.8% women, over 70 years of age from the Frailty and Dependence in Albacete (FRADEA) study. Measurements: Frailty phenotype, Geriatric Depression Scale (GDS), comorbidity, disability, and drug use were collected at baseline. Six groups were categorized: (G1: non-frail/no depression risk; G2: non-frail/depression risk; G3: prefrail/no depression risk; G4: prefrail/depression risk; G5: frail/no depression risk; and G6: frail/depression risk). Mean follow-up was 2542 days (SD 1006). GDS was also analyzed as a continuous variable. The association between frailty and depression risk with 10-year mortality was analyzed. Results: Mean age was 78.5 years. Non-frail was 24.5%, prefrail 56.3%, frail 19.3%, and 33.5% at depression risk. Mean GDS score was 3.7 (SD 3.2), increasing with the number of frailty criteria ( p < 0.001). Ten-year mortality rate was 44.9%. Mortality was 21.4% for the non-frail, 45.6% for the prefrail, and 72.7% for the frail participants, 56% for those with depression risk, and 39.3% for those without depression risk. Mean survival times for groups G1 to G6 were, respectively, 3390, 3437, 2897, 2554, 1887, and 1931 days. Adjusted mortality risk was higher for groups G3 (HR 2.1; 95% confidence interval (CI) 1.4–3.1), G4 (HR 2.5; 95% CI 1.7–3.8), G5 (HR 3.8; 95% CI 2.4–6.1), and G6 (HR 4.0; 95% CI 2.6–6.2), compared with G1 ( p < 0.001). Interaction was found between frailty and depression risk, although they were independently associated with mortality. Conclusions: Depression risk increases mortality risk in prefrail older adults but not in non-frail and frail ones. Depression should be monitored in these older adults to optimize health outcomes. Factors modulating the relationship between frailty and depression should be explored in future studies.
ISSN:1041-6102
1741-203X
DOI:10.1017/S1041610220003506