Association of Insomnia with 30-Day Postpartum Readmission: A Retrospective Analysis

Anthony M. Kendle (), Justin Swanson, Jason L. Salemi and Judette M. Louis
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Anthony M. Kendle: Department of Obstetrics and Gynecology, Morsani College of Medicine, University of South Florida, Tampa, FL 33602, USA
Justin Swanson: College of Public Health, University of South Florida, Tampa, FL 33612, USA
Jason L. Salemi: Department of Obstetrics and Gynecology, Morsani College of Medicine, University of South Florida, Tampa, FL 33602, USA
Judette M. Louis: Department of Obstetrics and Gynecology, Morsani College of Medicine, University of South Florida, Tampa, FL 33602, USA

IJERPH, 2023, vol. 20, issue 11, 1-10

Abstract: Insomnia is prevalent in pregnancy and is associated with increased use of health services. We aimed to evaluate the association between insomnia diagnosed at the delivery hospitalization and risk of 30-day postpartum readmission. We conducted a retrospective analysis of inpatient hospitalizations from the 2010–2019 Nationwide Readmissions Database. The primary exposure was a coded diagnosis of insomnia at delivery as determined by ICD-9-CM and ICD-10-CM codes. Obstetric comorbidities and indicators of severe maternal morbidity were also determined through coding. The primary outcome was all-cause 30-day postpartum readmission. Survey-weighted logistic regression was used to generate crude and adjusted odds ratios representing the association between maternal insomnia and postpartum readmission. Of over 34 million delivery hospitalizations, 26,099 (7.6 cases per 10,000) had a coded diagnosis of insomnia. People with insomnia experienced a 3.0% all-cause 30-day postpartum readmission rate, compared to 1.4% among those without insomnia. After controlling for sociodemographic, clinical, and hospital-level factors, insomnia was associated with 1.64 times higher odds of readmission (95% CI 1.47–1.83). After adjustment for obstetric comorbidity burden and severe maternal morbidity, insomnia was independently associated with 1.33 times higher odds of readmission (95% CI 1.18–1.48). Pregnant patients with insomnia have higher rates of postpartum readmission, and diagnosis of insomnia is independently associated with increased odds of readmission. Additional postpartum support may be warranted for pregnancies affected by insomnia.

Keywords: readmission; postpartum; severe maternal mortality; obstetric comorbidity index; insomnia; sleep; National Readmission Database (NRD); Healthcare Cost and Utilization Project (HCUP) (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2023
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