Are loneliness and social isolation associated with cognitive decline?

Objective This study aimed to examine the association of loneliness and social isolation on cognition over a 3‐year follow‐up period in middle‐ and older‐aged adults. Methods Data from a Spanish nationally representative sample were analyzed (n = 1691; aged 50 years or older). Loneliness, social iso...

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Vydáno v:International journal of geriatric psychiatry Ročník 34; číslo 11; s. 1613 - 1622
Hlavní autoři: Lara, Elvira, Caballero, Francisco Félix, Rico‐Uribe, Laura Alejandra, Olaya, Beatriz, Haro, Josep Maria, Ayuso‐Mateos, José Luis, Miret, Marta
Médium: Journal Article
Jazyk:angličtina
Vydáno: England Wiley Subscription Services, Inc 01.11.2019
Témata:
Aged
Aged, 80 and over
Cognition & reasoning
Cognitive ability
Cognitive Dysfunction - physiopathology
Cognitive Dysfunction - psychology
cognitive function
Female
Geriatric psychiatry
Humans
Loneliness
Loneliness - psychology
Male
Mental Recall - physiology
Middle Aged
older adults
Population-based studies
population‐based study
Social interactions
Social isolation
Social Isolation - psychology
Spain
Verbal Learning - physiology
Spain
cognitive function
older adults
social isolation
loneliness
population-based study
ISSN:0885-6230, 1099-1166, 1099-1166
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Shrnutí:Objective This study aimed to examine the association of loneliness and social isolation on cognition over a 3‐year follow‐up period in middle‐ and older‐aged adults. Methods Data from a Spanish nationally representative sample were analyzed (n = 1691; aged 50 years or older). Loneliness, social isolation, and cognition (immediate recall, delayed recall, verbal fluency, forward digit span, backward digit span, and a composite cognitive score) were assessed both at baseline and at follow‐up. Adjusted generalized estimating equations models were performed. Results Loneliness was significantly associated with lower scores in the composite cognitive score, immediate and delayed recall, verbal fluency, and backward digit span (B = −0.14 to B = −3.16; P < .05) and with a more rapid decline from baseline to follow‐up in two out of six cognitive tests. Higher social isolation was associated with lower scores in the composite cognitive score, verbal fluency, and forward digit span (B = −0.06 to B = −0.85; P < .05). The effect of loneliness and social isolation on cognition remained significant after the exclusion of individuals with depression. Conclusions Both loneliness and social isolation are associated with decreased cognitive function over a 3‐year follow‐up period. The development of interventions that include the enhancement of social participation and the maintenance of emotionally supportive relationships might contribute to cognitive decline prevention and risk reduction.
Bibliografie:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:0885-6230
1099-1166
1099-1166
DOI:10.1002/gps.5174