0897 The Relationship Between Marital Satisfaction and Sleep

Abstract Introduction Relationship quality impacts health outcomes. Individuals with high marital satisfaction report having better health than those with low marital satisfaction (MS). How marital satisfaction may impact sleep health is unclear. We examined if MS is associated with subjective sleep quality and sleep duration among working adults. Methods The Worksite Blood Pressure Study is a multi-site study investigating psychological factors and ambulatory blood pressure. The study recruited 472 participants without major cardiovascular disease from 10 New York City worksites during 4 waves over 11 years. At Wave 4, participants completed the Dyadic Adjustment Scale (DAS), which assesses MS, and a sleep questionnaire derived from the Sleep Heart Health Study. Weekday sleep duration was reported using a one-time sleep diary. For this analysis, 20 items from the DAS were summed to create a sum score with higher scores indicating greater MS. Items assessing sleep quality were averaged (higher scores indicated worse sleep quality). The current analysis was restricted to 188 married participants at Wave 4 with complete data. Linear regression models were specified predicting (1) sleep quality and, separately (2) sleep duration from marital satisfaction. Covariates were age, sex, race/ethnicity, family income, and number of children in the home. Results Of the 188 participants, 91.0% were male, 7.5% were Black, and 4.8% were Hispanic/Latinx. Participants reported a median of 2 children living in the home and a median family income of $80,000-$89,999. Mean age was 53.0 years (SD = 8.0 years), mean marital satisfaction was 60.5 (SD = 13.2), mean sleep quality was 8.1 (SD = 4.2), and mean sleep duration was 6.5 hours/night (SD = 1.1 hours). Greater MS was significantly associated with better sleep quality (B = -0.09, 95% CI -0.13, -0.04, p < 0.001) but not with sleep duration (B = -0.00, 95% CI -0.02, 0.01, p = 0.47). Conclusion Greater MS was associated with better sleep quality; however, MS was not associated with sleep duration. Whether targeted interventions focusing on improving MS lead to improvements in sleep quality and/or sleep health is an area of active research. Support (if any) P01HL47540, NIH/NHLBI K23HL141682