openai (gpt-5-nano-2025-08-07) · supported · 92%

There is strong evidence that wearing seatbelts significantly reduces the risk of death in motor vehicle crashes across populations.

Key points: Seatbelts markedly decrease fatality risk for drivers and front-seat passengers by restraining occupants during crashes. | Use of seatbelts reduces risk of being ejected, a major predictor of fatal outcomes. | Public health and transportation safety agencies (e.g., NHTSA, CDC) consistently support the protective effect of seatbelts. | Effect sizes vary by crash type, seating position, occupant age, crash severity, and proper belt use.

Limitations: Exact percentage reductions vary by study and context; 'significantly' is a qualitative description. | The claim does not address non-fatal injuries, rollover dynamics, or correct usage nuances beyond general 'significant' effect.

anthropic (claude-haiku-4-5-20251001) · supported · 98%

Extensive scientific evidence demonstrates that seatbelts significantly reduce fatality risk in motor vehicle crashes across diverse populations and crash scenarios.

Key points: NHTSA data shows seatbelts reduce front-seat passenger death risk by approximately 45% and serious injury risk by 50% | For front-seat drivers, seatbelts reduce death risk by approximately 45% and serious injury risk by 50% | Seatbelts are most effective when combined with airbags | Effectiveness varies by crash type but remains substantial across frontal, side, and rollover collisions | Research consensus spans multiple decades and jurisdictions (US, EU, Australia, Canada) | WHO and major public health organizations consistently cite seatbelts as one of the most effective safety interventions

Limitations: Effectiveness rates vary by specific crash type and severity | Protection depends on proper usage and positioning | Rare cases of seatbelt-related injuries exist but are far outweighed by benefits | Effectiveness data primarily derives from developed countries with established crash testing standards | Individual outcomes in specific crashes remain variable despite aggregate statistical evidence

google (gemini-2.5-flash-lite) · supported · 100%

Extensive research and real-world data confirm that seatbelts substantially decrease the likelihood of death and severe injury in motor vehicle accidents.

Key points: Seatbelt use is a primary factor in reducing fatalities in car crashes. | Studies consistently show a significant reduction in death rates for belted occupants compared to unbelted ones. | Various safety organizations and government agencies worldwide advocate for and enforce seatbelt use due to their proven effectiveness. | The mechanism of action for seatbelts involves restraining occupants, preventing ejection, and reducing impact forces during a collision.

Limitations: The exact percentage of risk reduction can vary depending on the type of crash, vehicle, and specific circumstances. | While seatbelts significantly reduce risk, they do not eliminate it entirely, and other factors can influence outcomes.