Social isolation in mid-life: associations with psychological distress, life satisfaction and self-rated health in two successive British birth cohorts
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Purpose
This study examines how different forms of social isolation, such as living alone, lack of community engagement, and unemployment, are associated with mental health in mid-life (ages 42-46), a life stage often overlooked when examining the impacts of social isolation.
Methods
Using longitudinal data (1999-2016) from two British birth cohort studies: 1970 British Cohort Study N=16,585 and the 1958 National Child Development Study N=15,806, this study investigated whether different forms of isolation have independent effects, contribute to cumulative risk, or interact additively or multiplicatively.
Results
Independent effects varied by isolation type and mental health outcomes. Being out of employment was linked to higher psychological distress and lower life satisfaction and self-rated health, while living alone was only associated with lower life satisfaction. Limited contact with friends and relatives and a lack of community engagement were associated with lower life satisfaction and self-rated health. Greater social isolation corresponded to increased psychological distress, lower life satisfaction, and poorer self-rated health, demonstrating cumulative risk. Effects appeared additive rather than multiplicative. No consistent sex or cohort differences were observed.
Conclusion
The study underscores the need to examine both separate and combined effects of social isolation across the complete mental health state. Isolation in its various forms was detrimental for mental health in mid-life and was most consistently linked to lower life satisfaction. Efforts to reduce isolation and its negative mental health impacts must recognise the complexity of these experiences.
