Despite the theoretical linkages between household composition and social integration, relatively limited research has considered how living arrangements affect risk for loneliness in later life. Prior work has also failed to consider whether physical disability moderates this potentially important relationship. Using data from a sample of older adults with and without a physical disability (N = 868), this study aims to (1) document variations in loneliness across living arrangements, (2) assess whether any observed association varies by physical disability status, and (3) evaluate the mediating role of social integration and social support. Results reveal that those living alone or with people other than a spouse (children, extended family members) report greater loneliness than those living with a spouse. However the magnitude of these differences is greater for older adults with a physical disability. Measures of social integration and social support attenuated, but did not fully explain, inter-household variations in loneliness. These findings point to the independent significance of living arrangements for experiences of loneliness in later life among both disabled and nondisabled adults.
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