Abstract/Details

Spatial analysis of pertussis cases in Harris County from 2005-2010


2011 2011

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Abstract (summary)

Objective: This study examined the recent trends and characteristics of reported pertussis in Harris County from 2005-2010.

Methods: The study population included surveillance data from all reported pertussis cases from January 1, 2005 to December 31, 2010 to Harris County Public Health and Environmental Services (HCPHES). We calculated incidence and attack rates for varying age groups, race/ethnicity, and gender. Spatial analyses were conducted of hot spot and cluster of incident cases in Harris County census tracts. Maps were constructed using geographic information system.

Results: Age-specific incidence rates of reported cases of pertussis were highest among infants under a year of age and lowest among adults age 20 and older. Hispanics represented the most cases reported compared to any other race or ethnic group (42% of 483 cases). Age-adjusted rates were highest in 2009 at 9.81 cases per 100,000 population. Only 31.2% of people received at least four of the recommended five doses of vaccine. Spatial analyses revealed statistically significant clusters within the northeast region of Harris County.

Conclusions: Hispanic infants are the most at risk group for pertussis. Although 70% of cases had a history of immunization, 41.8% of infants were appropriately vaccinated for their age. Increased vaccination coverage may decrease the incidence of pertussis.

Indexing (details)


Subject
Epidemiology
Classification
0766: Epidemiology
Identifier / keyword
Health and environmental sciences; Pertussis; Spatial analyses; Vaccination
Title
Spatial analysis of pertussis cases in Harris County from 2005-2010
Author
Zangeneh, Ana
Number of pages
43
Publication year
2011
Degree date
2011
School code
0219
Source
MAI 50/01M, Masters Abstracts International
Place of publication
Ann Arbor
Country of publication
United States
ISBN
9781124822105
Advisor
Murray, Kristy
Committee member
DelliFraine, Jami
University/institution
The University of Texas School of Public Health
Department
Epidemiology & Disease Control
University location
United States -- Texas
Degree
M.P.H.
Source type
Dissertations & Theses
Language
English
Document type
Dissertation/Thesis
Dissertation/thesis number
1497696
ProQuest document ID
887707946
Copyright
Database copyright ProQuest LLC; ProQuest does not claim copyright in the individual underlying works.
Document URL
http://search.proquest.com/docview/887707946
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