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Int Psychogeriatr. 2018 Dec 18:1-16. doi: 10.1017/S1041610218002120. [Epub ahead of print]

High prevalence and adverse health effects of loneliness in community-dwelling adults across the lifespan: role of wisdom as a protective factor.

Author information

1
Department of Psychiatry,University of California San Diego,La Jolla, CA,USA.
2
Sam and Rose Stein Institute for Research on Aging,University of California San Diego,La Jolla, CA,USA.
3
IBM-UCSD Artificial Intelligence for Healthy Living Center,La Jolla, CA,USA.
4
Accessibility Research,IBM Research Division,Yorktown Heights, NY,USA.
5
Accessibility and Aging,IBM Research Division,Tokyo,Japan.

Abstract

ABSTRACTObjectives:This study of loneliness across adult lifespan examined its associations with sociodemographics, mental health (positive and negative psychological states and traits), subjective cognitive complaints, and physical functioning.

DESIGN:

Analysis of cross-sectional dataParticipants:340 community-dwelling adults in San Diego, California, mean age 62 (SD = 18) years, range 27-101 years, who participated in three community-based studies.

MEASUREMENTS:

Loneliness measures included UCLA Loneliness Scale Version 3 (UCLA-3), 4-item Patient-Reported Outcomes Measurement Information System (PROMIS) Social Isolation Scale, and a single-item measure from the Center for Epidemiologic Studies Depression (CESD) scale. Other measures included the San Diego Wisdom Scale (SD-WISE) and Medical Outcomes Survey- Short form 36.

RESULTS:

Seventy-six percent of subjects had moderate-high levels of loneliness on UCLA-3, using standardized cut-points. Loneliness was correlated with worse mental health and inversely with positive psychological states/traits. Even moderate severity of loneliness was associated with worse mental and physical functioning. Loneliness severity and age had a complex relationship, with increased loneliness in the late-20s, mid-50s, and late-80s. There were no sex differences in loneliness prevalence, severity, and age relationships. The best-fit multiple regression model accounted for 45% of the variance in UCLA-3 scores, and three factors emerged with small-medium effect sizes: wisdom, living alone and mental well-being.

CONCLUSIONS:

The alarmingly high prevalence of loneliness and its association with worse health-related measures underscore major challenges for society. The non-linear age-loneliness severity relationship deserves further study. The strong negative association of wisdom with loneliness highlights the potentially critical role of wisdom as a target for psychosocial/behavioral interventions to reduce loneliness. Building a wiser society may help us develop a more connected, less lonely, and happier society.

KEYWORDS:

aging; anxiety; depression; gender differences; resilience

PMID:
30560747
DOI:
10.1017/S1041610218002120

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