Prior research suggests that better mental health and higher relationship quality are associated with better sexual function and satisfaction. Such insights can inform intervention development for mental, relationship, and sexual health concerns. This study examined the interactions among these variables in a racially and ethnically diverse group of young men who have sex with men (YMSM) in serious relationships (N = 348). Data were drawn from wave 5 of a longitudinal cohort study. We examined cross-sectional associations between depression and stress (predictors) and sexual function, sexual satisfaction, and anal discomfort (outcomes) and to what extent these associations were moderated by relationship quality. Higher endorsement of depression and stress was associated with worse sexual functioning, lower sexual satisfaction, and more anal discomfort. We also found that fewer negative interactions, stronger commitment, and higher relationship satisfaction were associated with better sexual functioning and higher sexual satisfaction. Higher relationship satisfaction and commitment were found to attenuate the association between stress and sexual satisfaction. Contrary to expectations, higher relationship satisfaction also showed a trend toward exacerbating the association between depression and sexual functioning. These results suggest that, for YMSM, high relationship satisfaction and commitment may protect sexual satisfaction from being negatively impacted by high stress. However, YMSM in highly satisfying relationships may experience poor sexual functioning associated with depression as particularly distressing. This study addressed a major gap in the literature by focusing on mental, relationship, and sexual health in a diverse sample. Future research should examine a wider range of sexual functioning outcomes and include minority stress in study design.

先前的研究表明，更好的心理健康和更高的关系质量与更好的性功能和满意度相关。这些见解可以为心理、人际关系和性健康问题的干预措施的制定提供信息。本研究调查了一群具有严肃关系的不同种族和民族的年轻男性 (YMSM) 中这些变量之间的相互作用 ( N = 348)。数据来自纵向队列研究的第五波。我们研究了抑郁和压力（预测因素）与性功能、性满意度和肛门不适（结果）之间的横断面关联，以及这些关联在多大程度上受到关系质量的调节。对抑郁和压力的认可度越高，性功能越差、性满足感越低以及肛门不适程度越高。我们还发现，更少的负面互动、更强的承诺和更高的关系满意度与更好的性功能和更高的性满意度有关。研究发现，较高的关系满意度和承诺会减弱压力和性满意度之间的关联。与预期相反，较高的关系满意度也显示出加剧抑郁与性功能之间关联的趋势。这些结果表明，对于 YMSM 来说，高关系满意度和承诺可能会保护性满意度免受高压力的负面影响。然而，在高度满意的关系中，YMSM 可能会经历与抑郁相关的不良性功能，尤其令人痛苦。这项研究通过关注不同样本中的心理、关系和性健康，解决了文献中的一个主要空白。 未来的研究应该检查更广泛的性功能结果，并将少数群体压力纳入研究设计中。