Social isolation and intrinsic capacity among left-behind older adults in rural China: The chain mediating effect of perceived stress and health-promoting behavior

Abstract

BackgroundStrengthening and maintaining the intrinsic capacity (IC) of the older adults is the key to preventing and delaying disability and promoting healthy aging.ObjectiveThis study explores the relationship between social isolation, perceived stress, health promotion behavior, and IC of the left-behind older adults in rural areas and analyzes the chain mediating effect of perceived stress and health promotion behavior among social isolation and IC.MethodsFrom March 2021 to May 2022, a multi-stage sampling method was used to recruit participants from rural areas in Heilongjiang Province, China. The data were collected by the simplified version of the Lubben Social Network Scale, the Chinese Perceived Stress Scale, the Health-Promoting Lifestyle Profile-Chinese, and the Integrated Care for Older People (ICOPE) screening tool. We used the PROCESS macro for SPSS to determine the mediating effect of perceived stress and health-promoting behavior between social isolation and IC.ResultSocial isolation score was positively correlated with health-promoting behavior (r = 0.78, p < 0.01) and IC (r = 0.67, p < 0.01), whereas it was negatively correlated with perceived stress (r = −0.63, p < 0.01). Perceived stress was negatively correlated with health-promoting behavior (r = −0.62, p < 0.01) and IC (r = −0.43, p < 0.01). The health-promoting behavior and IC were positively correlated (r = 0.56, p < 0.01). Bootstrapping values indicated that the chain-mediating effect of perceived stress and health-promoting behavior was statistically significant.ConclusionConsequently, to improve the IC of the left-behind older adults, we should focus more on reducing the degree of social isolation of the left-behind older adults and improving their perceived stress and health-promoting behavior.

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