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Jerome Ngundue

Jerome Ngundue

Walden University, USA

Title: Disparities in Arkansas Mandated Immunization Coverage Among Natural Home and Foster-Care Adolescents

Biography

Biography: Jerome Ngundue

Abstract

Statement of the Problem: Pulaski County, Arkansas adolescent birth cohort (PCABC) reported immunization rates and uptake for routinely required recommended 5 vaccines for school entry (FVSE) were persistently low compared to United States (U.S.) average (CDC,2012).

Background/Purpose: Anecdotal evidence indicated vaccine coverage disparities among foster-care (FCA) and natural-home adolescents (NHA). Arkansas laws require 5 vaccines for school entry (FVSE) to prevent 9 common childhood diseases. The study problem was that Pulaski County, Arkansas adolescent birth cohort (PCABC) immunization rates were low compared to U.S. adolescents for Diphtheria- pertussis-tetanus, Hepatitis B, Measles-mumps-rubella, Poliomyelitis, and Varicella FVSE.

Aim/Objective: This study examined the extent to which (1) PCABC immunization rates were significantly different from those estimated for U.S. adolescents in 2006–2008, (2) NHA and FCA immunization rates were different in 2003–2008; (3) sociodemographic variables mediate associations between home of residence (HOR), NHA or FCA, and up to date (UTD) status for FVSE; and (4) vaccination game theory (VGT) estimated deaths differ between individual-equilibrium and group-optimum behaviors.

Methods: The methodologies applied were direct standardization, χ2, multiple logistic regressions, and VGT to analyze PCABC retrospective secondary data from the Arkansas immunization registry.

Results: The results revealed that U.S. adjusted UTD coverage rates for Hepatitis B, measles-mumps-rubella, and varicella were greater than those for PCABC. Race-adjusted FCA immunization rates were 120% higher than for NHA. Race mediated the association between HOR and UTD FVSE status, and African Americans had 80% greater odds of being UTD with FVSE compared to Caucasians. Group-optimum behavior was associated with fewer estimated deaths than individual equilibrium; thus, it is protective against disease outbreaks.

Conclusions: Positive social change may occur among the PCABC when healthcare providers include these results in communications with parents at FCA and NHA community health clinics. Parental vaccine acceptance for their children may increase vaccinations and improve PCABC health and wellness.