All-cause mortality and multimorbidity in older adults: The role of social support and loneliness

To determine whether the effect of multimorbidity on time to mortality is modified by level of social support and loneliness in a representative sample of 2113 participants aged 60+. Vital status was ascertained through national registers or by asking participants' relatives. Baseline variables...

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Bibliographic Details
Published in:Experimental gerontology 2017-12, Vol.99, p.120-126
Main Authors: Olaya, Beatriz, Domènech-Abella, Joan, Moneta, Maria Victoria, Lara, Elvira, Caballero, Francisco Félix, Rico-Uribe, Laura Alejandra, Haro, Josep Maria
Format: Article
Language:English
Subjects:
Age Factors
Aged
Aging - psychology
Cause of Death
Female
Geriatric Assessment
Humans
Interactions
Interpersonal Relations
Kaplan-Meier Estimate
Loneliness
Longitudinal Studies
Male
Middle Aged
Multimorbidity
Multivariate Analysis
Population-based cohort
Proportional Hazards Models
Risk Factors
Social Support
Spain
Survival analysis
Time Factors
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Summary:To determine whether the effect of multimorbidity on time to mortality is modified by level of social support and loneliness in a representative sample of 2113 participants aged 60+. Vital status was ascertained through national registers or by asking participants' relatives. Baseline variables included number of illnesses, self-perceived social support (Oslo social support scale) and loneliness (UCLA loneliness scale). Kaplan-Meier survival curves were used to estimate the time to death by multimorbidity, social support and loneliness. Adjusted cox proportional hazards regression models were conducted to explore interactions between multimorbidity and social support and loneliness. Multimorbidity was associated with low probability of survival, whereas high loneliness and low social support were not related with time to death. Only the interaction multimorbidity∗social support was significant. Participants with low social support and 2 chronic diseases, compared with none, presented lower probability of survival (HR=2.43, 95%CI=1.14–5.18, p
ISSN:0531-5565
1873-6815
DOI:10.1016/j.exger.2017.10.001