The COVID-19 pandemic has created an unusually stressful situation for many people around the world. Due to the restrictions, many have been isolated in their homes, and having a responsive partner may have become even more important. The present study aimed to investigate (1) whether there were any differences in social and work-related stressors and changes in negative mood during the COVID-19 pandemic as a function of marital status, and (2) whether perceived partner responsiveness can attenuate the associations between COVID-19-related stressors and changes in negative mood. The participants were 2,400 Brazilian adults recruited via the Internet, using a virtual sampling strategy. They were assigned to three distinct groups based on their relationship status. The results showed that a relatively large proportion of the sample reported increased levels of negative mood, and that married/cohabitating couples reported low levels of negative change in mood compared to single participants. We also found that partner responsiveness attenuated the association between stress and mental health, but only for people who were dating. Our study contributes new insights by showing that effects on mental health during the COVID-19 pandemic are dependent on relationship type and perceived partner responsiveness.

COVID-19 大流行给世界各地的许多人带来了不同寻常的压力。由于这些限制，许多人被隔离在家中，拥有一个响应迅速的合作伙伴可能变得更加重要。本研究旨在调查 (1) 在 COVID-19 大流行期间与社会和工作相关的压力源以及消极情绪的变化是否存在任何差异作为婚姻状况的函数，以及 (2) 感知到的伴侣反应是否可以减弱COVID-19 相关压力源与消极情绪变化之间的关联。参与者是使用虚拟抽样策略通过互联网招募的 2,400 名巴西成年人。根据他们的关系状态，他们被分配到三个不同的组。结果表明，相对较大比例的样本报告负面情绪水平增加，与单身参与者相比，已婚/同居夫妇报告的负面情绪变化水平较低。我们还发现，伴侣的反应减弱了压力与心理健康之间的关联，但仅限于约会的人。我们的研究表明，在 COVID-19 大流行期间对心理健康的影响取决于关系类型和感知的伴侣反应，从而提供了新的见解。