Does more schooling reduce hospitalization and delay mortality? New evidence based on Danish twins
- PMID: 21842327
- PMCID: PMC3660725
- DOI: 10.1007/s13524-011-0052-1
Does more schooling reduce hospitalization and delay mortality? New evidence based on Danish twins
Abstract
Schooling generally is positively associated with better health-related outcomes-for example, less hospitalization and later mortality-but these associations do not measure whether schooling causes better health-related outcomes. Schooling may in part be a proxy for unobserved endowments-including family background and genetics-that both are correlated with schooling and have direct causal effects on these outcomes. This study addresses the schooling-health-gradient issue with twins methodology, using rich data from the Danish Twin Registry linked to population-based registries to minimize random and systematic measurement error biases. We find strong, significantly negative associations between schooling and hospitalization and mortality, but generally no causal effects of schooling.
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