Depression, antidepressants and driving safety
DOI: 10.1186/s40621-017-0107-x
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Summary
This systematic review and meta-analysis investigates the association between depression, antidepressant medication use, and motor vehicle crash risk. Motivated by the high prevalence of depression and the widespread prescription of antidepressants, the authors sought to clarify whether these factors impair driving safety. Motor vehicle crashes are a leading cause of death, and while medical conditions and medications can impair driving ability, the specific contributions of depression and its treatments have been inconsistent in prior literature. The study aimed to synthesize epidemiological evidence from naturalistic settings to estimate crash risk associated with these variables. The authors conducted a comprehensive literature search of English-language publications between January 1995 and October 2015 across multiple databases, including PubMed and Google Scholar. They included 19 epidemiological studies (17 case-control and 2 cohort studies) that estimated crash risk associated with depression and/or psychotropic medications. Studies were assessed for quality using the Newcastle-Ottawa Scale, and data were analyzed using Comprehensive Meta-Analysis software. Heterogeneity was assessed using Q and I2 tests, and publication bias was evaluated via funnel plots. Fixed-effects or random-effects models were applied based on heterogeneity findings. The review excluded experimental simulator studies, cross-sectional designs, and qualitative research. The results indicate that both depression and antidepressant use are associated with increased crash risk. Individual studies reported odds ratios (OR) for crash involvement associated with depression ranging from 1.78 to 3.99. The meta-analysis yielded a summary OR of 1.90 (95% CI, 1.06 to 3.39), indicating approximately a two-fold increased risk of crashes for individuals with depression. Regarding antidepressants, individual studies reported ORs ranging from 1.19 to 2.03 for all crashes and 3.19 for fatal crashes. The meta-analysis found a summary OR of 1.40 (95% CI, 1.18 to 1.66), representing a 40% increased crash risk associated with antidepressant use. Specific classes, including SSRIs and SNRIs, showed significant associations with increased risk in several studies. The authors conclude that depression, antidepressants, or their combination pose a potential hazard to driving safety. The findings suggest that both the condition itself and the pharmacological treatments contribute to elevated crash risk. However, the review highlights the need for further research to disentangle the individual contributions of depression symptoms versus medication side effects, as many included studies did not adequately separate these factors. The results imply that clinicians and policymakers should consider driving safety when diagnosing and treating depression, particularly given the substantial increase in risk observed in the meta-analysis.
Key finding
Depression is associated with approximately a two-fold increased crash risk, and antidepressant use is associated with a 40% increased crash risk.
Methodology
meta_analysis
Sample size: 19
Provenance
The full processing record for this entry. Every stage of this paper's journey through the pipeline is logged — what ran, with which tool and model, how many attempts it took, and when it last completed. Discovered via author_sweep_intake on 2026-05-28.
| Stage | Outcome | Tool | Model | Prompt | Attempts | Completed |
|---|---|---|---|---|---|---|
| discover | success | author_sweep | — | — | 2 | 2026-05-28 |
| archive | success | canonical_url | — | — | 1 | 2026-06-04 |
| extract | success | cached | — | — | 3 | 2026-06-10 |
| clean | success | clean | — | — | 1 | 2026-06-04 |
| chunk | success | chunk | — | — | 1 | 2026-06-04 |
| embed | success | embed | Qwen/Qwen3-Embedding-8B | — | 1 | 2026-06-04 |
| enrich | success | — | — | — | 1 | 2026-05-28 |
| promote | success | — | — | — | 1 | 2026-06-04 |
| summarize | success | llm | qwen3.6-27b-prismaquant | summ-v5 | 2 | 2026-06-10 |
| tag | success | vector_similarity | — | — | 15 | 2026-06-11 |
| verify | success | — | — | — | 2 | 2026-06-10 |
Summary generated by qwen3.6-27b-prismaquant on 2026-06-10; verification: verified.
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Information type
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- Empirical Findings: crash risk outcomes, observational prevalence