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Activity Number:
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515
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Type:
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Contributed
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Date/Time:
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Thursday, August 2, 2007 : 8:30 AM to 10:20 AM
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Sponsor:
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Section on Statistics in Epidemiology
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| Abstract - #310134 |
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Title:
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Ranking Children Vaccination Coverage Curves with the National Immunization Survey (NIS)
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Author(s):
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Zhen Zhao*+ and Philip J. Smith
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Companies:
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Centers for Disease Control and Prevention and Centers for Disease Control and Prevention
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Address:
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1600 Clifton Rd NE, Atlanta, GA, 30333,
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Keywords:
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Ranking ; Curves ; AUCC ; Vaccination Coverage ; State
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Abstract:
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We investigated ranking vaccination coverage curves in the 4:3:1:3:3 series using data from the 2000-2005 NIS. The area under coverage curve (AUCC) was chosen as the summary statistic for ranking curves. A test statistic is derived for comparing curves and is based on the linear combination of coverage estimates used to estimate the AUCC. Ranking analyses identified the top 10 and bottom 10 states/cities, among 72 states/cities sampled by the NIS, which possess consistently high or low vaccination coverage across the 6 years with national coverage curve as reference. Massachusetts and City of Detroit have the highest and lowest coverage curve, respectively. The top ten states/cities are significantly different in vaccination coverage from the bottom ten states/cities. The matrix for both comparisonwise p-value and the experimentwise adjusted p-value was obtained.
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