NCT02355132

Brief Summary

This study examines the impact of a randomized insurance experiment on preventive services receipt and healthcare utilization in safety net patients using linked public insurance claims and safety net clinics' electronic health record (EHR) data.

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
308,283

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Aug 2011

Longer than P75 for all trials

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

August 1, 2011

Completed
3.5 years until next milestone

First Submitted

Initial submission to the registry

January 30, 2015

Completed
5 days until next milestone

First Posted

Study publicly available on registry

February 4, 2015

Completed
1.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2016

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2016

Completed
Last Updated

May 19, 2016

Status Verified

October 1, 2015

Enrollment Period

4.6 years

First QC Date

January 30, 2015

Last Update Submit

May 18, 2016

Conditions

Cardiovascular DiseaseCancer

Keywords

Medicaidpublic insurancecardiovascular diseasepreventioncommunity health centerselectronic health recordscancer prevention

Outcome Measures

Primary Outcomes (1)

  • Preventive service receipt

    Number of patients with receipt of the following preventive services in the post-period (each outcome assessed individually by whether person met age, gender, and diagnosis criteria (if applicable): body mass index, blood pressure, smoking, pap test, mammography, colorectal cancer screening, chlamydia screening, lipid test, flu vaccination, pneumococcal vaccination, HbA1c test, glucose test) using ICD-9-CM diagnosis and procedure codes, CPT and HCPCS codes, LOINC codes, medication codes, relevant code groupings and codes specific to the OCHIN EHR.

    36 months post Oregon Experiment selection (post-period)

Secondary Outcomes (1)

  • Ambulatory healthcare utilization

    36 months post Oregon Experiment selection (post-period)

Study Arms (2)

Insurance Intervention Arm

Oregon OCHIN patients that put their names on the reservation list for the Oregon Experiment and were randomly chosen to apply for insurance coverage via the Oregon Experiment

Other: Insurance Intervention

Control

Oregon OCHIN patients that put their names on the reservation list for the Oregon Experiment and were not chosen to apply for insurance coverage via the Oregon Experiment

Interventions

Insurance InterventionOTHER

Random selection to apply for Medicaid coverage through Oregon Experiment drawings held between March and October 2008

Insurance Intervention Arm

Eligibility Criteria

Age19 Years - 64 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)
Sampling MethodNon-Probability Sample
Study Population

Adult individuals on the Oregon Experiment 'reservation list' (applied for the Oregon Experiment) linked to individual patients in an Oregon safety net clinic that is part of the OCHIN, Inc network using Link Plus software and demographic variables common to both datasets.

You may qualify if:

  • must have applied for the Oregon Experiment in 2006
  • must have been a patient in an Oregon safety net clinic that is part of the OCHIN, Inc network
  • for preventive services outcomes only, matched patients had to have been at a clinic with an electronic health record system by 3/11/08

You may not qualify if:

  • under 19 years of age
  • over 64 years of age
  • not alive at the end of the 36 month post-period
  • unknown/missing gender

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Publications (3)

  • Hatch B, Marino M, Killerby M, Angier H, Hoopes M, Bailey SR, Heintzman J, O'Malley JP, DeVoe JE. Medicaid's Impact on Chronic Disease Biomarkers: A Cohort Study of Community Health Center Patients. J Gen Intern Med. 2017 Aug;32(8):940-947. doi: 10.1007/s11606-017-4051-9. Epub 2017 Apr 3.

    PMID: 28374214DERIVED

  • Bailey SR, Heintzman JD, Marino M, Hoopes MJ, Hatch BA, Gold R, Cowburn SC, Nelson CA, Angier HE, DeVoe JE. Measuring Preventive Care Delivery: Comparing Rates Across Three Data Sources. Am J Prev Med. 2016 Nov;51(5):752-761. doi: 10.1016/j.amepre.2016.07.004. Epub 2016 Aug 10.

    PMID: 27522472DERIVED

  • DeVoe JE, Marino M, Gold R, Hoopes MJ, Cowburn S, O'Malley JP, Heintzman J, Gallia C, McConnell KJ, Nelson CA, Huguet N, Bailey SR. Community Health Center Use After Oregon's Randomized Medicaid Experiment. Ann Fam Med. 2015 Jul-Aug;13(4):312-20. doi: 10.1370/afm.1812.

    PMID: 26195674DERIVED

MeSH Terms

Conditions

Cardiovascular DiseasesNeoplasms

Study Officials

  • Jennifer E DeVoe, MD, DPhil

    Oregon Health and Science University

    PRINCIPAL INVESTIGATOR

  • Heather Angier, MPH

    Oregon Health & Science Univerisity

    STUDY DIRECTOR

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
RETROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Associate Professor

Study Record Dates

First Submitted

January 30, 2015

First Posted

February 4, 2015

Study Start

August 1, 2011

Primary Completion

March 1, 2016

Study Completion

March 1, 2016

Last Updated

May 19, 2016

Record last verified: 2015-10