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. Author manuscript; available in PMC: 2018 May 1.
Published in final edited form as: Ophthalmology. 2017 Jan 31;124(5):720–729. doi: 10.1016/j.ophtha.2016.12.039

Figure 5. Factors Associated with Visiting an Emergency Department for an Urgent Ocular Condition.

Figure 5

Multivariable Cox regression model identifying factors associated with visiting an emergency department for urgent ocular conditions. Reference groups: age 21-30, white race, male sex, annual income <$40,000. A frequent ED visitor was defined as having > 4 visits / year for non-ophthalmologic conditions. Having a regular eye care provider was defined as >3 visits with an eye care provider with at least one 6-month interval between the visits. The multivariable Cox regression model was also adjusted for education level, urban/rural status, plan type, and dual enrolment status. ED = emergency department.