Longitudinal Patterns of Emergency Department Visits: A Multistate Analysis of Medicaid Beneficiaries.

ABSTRACT:

Objective

The objective of this study was to examine the longitudinal patterns of emergency department (ED) visits among adult fee-for-service Medicaid.

Data sources

Data were obtained from the Medicaid analytic eXtract files, Area Health Resource File, and County Health Rankings.

Study design

A retrospective longitudinal study design, with four observations for each individual was used. The study population consisted of 33,393 Medicaid beneficiaries who met inclusion criteria. ED visits were time-lagged and time-varying patient-level factors were measured for each year. Time-invariant characteristics (gender and race/ethnicity) were measured in 2006. Multivariable hurdle models with logistic (ED use versus no ED use) and negative binomial regressions (ED visits among

SUBMITTER: Agarwal P 

PROVIDER: S-EPMC5682132 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature