The long-term health effects of childhood exposure to social and economic policies: A scoping review

While numerous studies have found a relationship between social and economic policies and short-term health outcomes, fewer studies have explored the long-term health effects of these policies. Given the important association between childhood circumstances and health in adulthood, long-term population health consequences should be considered when designing social and economic policies. This review summarizes the existing literature on the long-term effects of childhood exposure to social and economic policies on adult health, summarizes the findings, the methods employed, and indicates areas for future research. The review process followed the JBI scoping review protocol and PRISMA-ScR reporting guidelines. The search was conducted in three electronic databases (Web of Science, Pub Med, and SCOPUS), and focused on peer-reviewed manuscripts that studied the effects of policy exposures during childhood on health in adulthood. A total of 3471 articles were collected from the databases and 18 were identified as meeting the eligibility criteria. The most commonly studied policies were safety-net policies (N = 6), followed by education policies (N = 5), civil rights policies (N = 3), government investments (N = 3), and child labor laws (N = 1). The health outcomes varied and included chronic conditions, mental health, mortality, and self-rated health. The studies also overwhelmingly employed causal inference techniques (N = 13), including difference-in-differences study designs and instrumental variable analysis. Most studies found long-term positive effects of policies that provided extra resources to historically under-resourced populations, or policies that aimed to increase equality of opportunity. However, there were some studies with null or mixed findings, especially when examining the long-term health effects of education reform. More literature is needed on this important topic, and now is the time to capitalize on longer follow-up periods in currently available data.