Association among objective and subjective sleep duration, depressive symptoms and all-cause mortality: the pathways study.

ABSTRACT:

Background

Sleep deprivation and overload have been associated with increased risks of both depression and mortality. However, no study has quantitatively compared the effects of objective and subjective sleep duration on mortality or examined the mediating role of depressive symptoms in these associations.

Methods

Utilizing data from the NHANES 2011-2014, this study employed structural equation modeling (SEM) to explore the impact of depressive symptoms, measured by Patient Health Questionnaire (PHQ-9) scores, on the relationship between both objective and subjective sleep durations and all-cause mortality.

Results

The study included 7838 participants, comprising 4392 women (55.96%) with a mean age of 46.51 (0.46) years. Over a median 6.83-year follow-up, 582 deaths

SUBMITTER: Zeng Y 

PROVIDER: S-EPMC12309052 | biostudies-literature | 2025 Jul

REPOSITORIES: biostudies-literature