Clinical Psychology in Europe · 4 authors, 5 centres
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This retrospective cohort study found that while special education enrollment spiked in Flint after the water crisis, the incidence of elevated blood lead in Flint children was consistently lower than in the control city of Detroit, suggesting a negative psychological effect (nocebo effect) rather than lead exposure as the primary cause.
This retrospective population-based cohort study analyzed de-identified data for children under six in Flint, Detroit, and Michigan from 2011 to 2019. Researchers compared trends in elevated blood lead levels (≥5 µg/dL) and special education enrollment, while also evaluating crisis-related covariates like media coverage. The central result shows that the incidence of elevated blood lead in Flint was always at least 47% lower than in Detroit and never significantly higher than Michigan's overall rate. The authors found an inverse relationship between childhood blood lead and special education enrollment in Flint. The study concludes there is no positive association between blood lead levels and special education enrollment, proposing a nocebo effect from negative media predictions as a possible explanation. The implications suggest a need for more careful media coverage during public health crises to avoid unintended psychological consequences.
