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美国精神卫生保健服务的可及性与自杀率

Access to Mental Health Care Services and Suicide Rates in the United States
Journal of Policy Analysis and Management · 2026 · Shishir Shakya、Agnitra Roy Choudhury

中文摘要

我们考察了精神卫生保健服务提供者可及性改善对美国自杀率的因果效应。我们追踪了2016年至2019年精神科与心理卫生保健服务提供者的全部执业地点。我们构建了一个县级指数来衡量与这些机构的邻近程度,并考虑了各地精神卫生保健服务需求与供给的差异。为解决这些医疗机构在特定县选址所导致的内生性问题,我们以心理学家处方权(prescriptive authority for psychologists)的实施作为工具变量。我们的工具变量结果表明,可及性提高10%意味着每平方英里新增三家服务提供者,进而使县内自杀率下降3%,相当于每10万人口减少1.6例自杀。

Abstract

ABSTRACT We examine the causal effect of improvements in access to mental care providers on suicide rates in the United States. We track the universe of practice locations of psychiatric and psychological health care providers from 2016 to 2019. We construct a county‐level index to measure proximity to these facilities, accounting for local variations in demand for and supply of mental health care services. To address the endogeneity between the location of these medical facilities in a given county, we use the implementation of prescriptive authority for psychologists () as an instrument. Our IV results show a 10% enhancement in access translates to an additional three providers per mile, resulting in a 3% reduction, equivalent to 1.6 fewer suicides per 100,000 population within a county.
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