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Abstract:
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The birth dose of hepatitis B (HepB) is critical for preventing perinatal hepatitis B infection and disparities exist in HepB birth dose vaccination coverage among children. We evaluated trends in disparities for HepB birth dose coverage by birth year cohort of 2005-2014. Coverage was assessed with National Immunization Survey-Child data. Disparities in the vaccination coverage between selected socio-economic subgroups were independently evaluated. Slopes from weighted linear regression of HepB birth dose coverage disparities across 2005-2014 were used to estimate the average change in disparities per birth year and to examine whether disparities narrowed/widened. In summary, the six disparities narrowed and the other six disparities widened. The trend of disparities for mother's age >=30 vs. < =29 years, and children with 1 vs. >=2 providers narrowed significantly, the average change in disparities were -0.34% and -1.26% respectively (P-value < 0.05). However, the trend of disparities for family not moved vs. moved, and Hispanic vs. Non-Hispanic white children significantly widened, the corresponding average change in disparities were 1.22% and 0.73% (P-value < 0.05).
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