The non-pharmaceutical interventions (NPIs), aimed at reducing the diffusion of the COVID-19 pandemic, has dramatically influenced our behaviour in everyday life. In this work, we study how individuals adapted their daily movements and person-to-person contact patterns over time in response to the COVID-19 pandemic and the NPIs. We leverage longitudinal GPS mobility data of hundreds of thousands of anonymous individuals in four US states and empirically show the dramatic disruption in people's life. We find that local interventions did not just impact the number of visits to different venues but also how people experience them. Individuals spend less time in venues, preferring simpler and more predictable routines and reducing person-to-person contact activities. Moreover, we show that the stringency of interventions alone does explain the number and duration of visits to venues: individual patterns of visits seem to be influenced by the local severity of the pandemic and a risk adaptation factor, which increases the people's mobility regardless of the stringency of interventions.

翻译：旨在减少COVID-19大流行蔓延的非药物干预(NPI)极大地影响了我们日常生活中的行为,在这项工作中,我们研究了个人在应对COVID-19大流行和NPI时,如何调整他们的日常行动和人际接触模式。我们利用了四个美国州数十万匿名个人的纵向全球定位系统移动数据,从经验上显示了人们生活的巨大混乱。我们发现,地方干预不仅影响了访问不同地点的次数,也影响了人们如何体验这些访问。个人花在场所的时间较少,更倾向于更简单和更可预测的例行活动,减少了人际接触活动。此外,我们表明,干预的严格性本身就解释了访问地点的次数和时间:个人访问模式似乎受到该流行病当地严重程度的影响,而风险适应因素则增加了人们的流动性,而不管干预的严格性如何。