Jacobucci Ross, Blacutt Miguel, Ram Nilàm, Ammerman Brooke A
Center for Healthy Minds, University of Wisconsin Madison, Madison, WI, USA.
Department of Psychology, University of Notre Dame, Notre Dame, IN, USA.
NPJ Digit Med. 2025 May 29;8(1):321. doi: 10.1038/s41746-025-01740-w.
Suicide rates are rising in the U.S., prompting interest in contributing factors like smartphone use. While screen time has been linked to mental health, its role in suicide risk is unclear. This study examined bidirectional associations between smartphone screen time and suicide risk in 79 adults with recent suicidal thoughts or behaviors. Over 28 days, participants provided ecological momentary assessments (EMA) of suicide risk six times daily and contributed ~7.5 million screenshots, collected every 5 seconds during phone use. Within-person increases in screen time were linked to elevated suicide risk in the following three hours, while screen time more than three hours prior predicted reduced planning and desire. Suicide risk also predicted subsequent screen time, and screen time was associated with greater EMA response rates. Findings suggest screen time may indicate both distress and coping, depending on context. These insights could inform real-time monitoring tools for suicide prevention and adaptive intervention strategies.
美国的自杀率正在上升，这引发了人们对智能手机使用等促成因素的兴趣。虽然屏幕使用时间与心理健康有关，但其在自杀风险中的作用尚不清楚。本研究调查了79名近期有自杀想法或行为的成年人中智能手机屏幕使用时间与自杀风险之间的双向关联。在28天的时间里，参与者每天提供六次自杀风险的生态瞬时评估（EMA），并贡献了约750万张截图，这些截图是在手机使用过程中每5秒收集一次的。在个体内部，屏幕使用时间的增加与接下来三小时内自杀风险的升高有关，而三小时以上的屏幕使用时间则预示着自杀计划和意愿的降低。自杀风险也预示着随后的屏幕使用时间，并且屏幕使用时间与更高的EMA反应率相关。研究结果表明，根据具体情况，屏幕使用时间可能既表明痛苦又表明应对方式。这些见解可为自杀预防的实时监测工具和适应性干预策略提供参考。
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