Associations Between Natural Language Processing–Enriched Social Determinants of Health and Suicide Death Among US Veterans

Key Points Question Are social determinants of health (SDOHs), extracted from both structured and unstructured clinical data, associated with an increased risk of suicide death among US veterans? Findings In this case-control study of 8821 cases and 35 284 matched controls, SDOHs from both structured data and unstructured data (extracted using a natural language processing system) were associated with an increased risk of suicide death. Meaning The findings of this study suggest that SDOHs are risk factors for suicide among the US veterans and that natural language processing can be leveraged to extract SDOH information from unstructured data.

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