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Health insurance and preventive care sources of children at public immunization clinics
T A Lieu1, M D Smith, P W Newacheck
1Robert Wood Johnson Clinical Scholars Program, University of California, San Francisco.
Insights
Many families using public immunization clinics have insurance and prefer primary care vaccination. Improving parent education and removing appointment barriers are key for successful immunization financing reform.
Area of Science:
- Public Health
- Health Services Research
- Immunization Policy
Background:
- Current immunization financing reforms aim to shift vaccination to primary care settings.
- Limited data exists on insurance coverage and primary care access for children attending public immunization clinics.
- Understanding patient demographics is crucial for effective immunization delivery strategies.
Purpose of the Study:
- To characterize health insurance status, usual healthcare sources, and referral patterns of children at public immunization clinics.
- To inform proposed immunization financing reforms by detailing patient needs and preferences.
Main Methods:
- A cross-sectional study design was employed.
- Data collected via face-to-face, structured interviews with 538 parents at public immunization clinics in Contra Costa County.
- Focus on insurance coverage, usual source of care, and barriers to vaccination.
Main Results:
- 34% of families had Medicaid, 24% had private insurance; many were unaware of vaccine coverage details.
- 62% had alternative preventive care sources and preferred vaccination there, citing cost and appointment wait times as barriers.
- A significant portion of privately insured families, including Health Maintenance Organization (HMO) members, faced appointment delays.
Conclusions:
- Immunization financing reform holds potential to improve vaccine delivery and reduce public clinic burden.
- Optimal reform outcomes require enhanced parent education regarding insurance coverage and removal of organizational barriers.
- Addressing both financial and logistical challenges is essential for successful vaccination at primary care sources.
Background:
Recent proposals to reform immunization financing aim to help more children receive vaccines at their sources of primary care. Under the current system, referrals of children from the private sector may strain public immunization clinics, but scant information exists on what proportions of public clinic patients actually have insurance or primary care sources.
Objective:
To describe the health insurance, usual sources of health care, and referral patterns of children at low-cost public immunization clinics.
Design:
Cross-sectional study based on face-to-face, structured interviews.
Setting:
Public immunization clinics at three sites in Contra Costa County.
Participants:
Five hundred thirty-eight parents of children awaiting immunizations.
Results:
Thirty-four percent of families at these public immunization clinics had Medicaid alone, whereas 24% had private insurance. Of those with private insurance, almost one third had at least partial coverage for vaccines. Sixty-two percent of families had sources of preventive care other than the immunization clinic, and most would have preferred to receive their vaccines at these sources. Most in this group named cost as the main barrier to immunizations at primary care sources; but one third of this group, including almost all the families insured by health maintenance organizations, named the wait for appointments at their usual source of care as the main barrier to receiving vaccines there. Two thirds of Medicaid patients and at least one third of privately insured patients were either uninformed or mistaken about whether their insurance covered vaccines.
Conclusions:
Financing reform may improve immunization delivery and reduce the load on public clinics. However, legislation to improve immunization financing will not achieve optimal results unless parent education is improved and organizational barriers are also removed.