Racial and Ethnic Disparities in Hospital-Based Care Associated with Postpartum Depression.

Objective: To estimate racial and ethnic differences in rates of hospital-based care associated with postpartum depression.

Methods: This is a retrospective cohort study using International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) diagnosis codes within data from the Office of Statewide Planning and Development in California. We included primiparous women who underwent delivery hospitalization from 2008 to 2012.