Beyond the Individual: Evidence Linking Neighborhood Trust and Social Isolation Among Community-Dwelling Older Adults.

Loneliness and social isolation are significant public health problems. However, the community and neighborhood factors that contribute to this pandemic are less examined. Adopting a neighborhood resource-based social capital theory, we examined whether neighborhood trust was associated with older Americans' loneliness, number of friends, and perceived support from friends. We analyzed two waves of longitudinal data from the Health and Retirement Study, with a sample of 5,817 Americans aged 50 years and older. We used first difference models to analyze the data and controlled for potential confounders including perceived support from family and health status. Increases in the perception that neighbors are trustworthy and helpful were associated with statistically significant decreases in loneliness and increases in perceived social support from friends over a 4-year period. Findings have implications for conceptualizing social capital and for potential interventions targeting interpersonal trust and reducing loneliness and social isolation.