15 Characteristics of districts.pmd
نویسندگان
چکیده
1World Health Organization, Polio Eradication Initiative, Islamabad, Pakistan (Consultant, 2001). 2World Health Organization, Islamabad, Pakistan. 3National Institutes of Health, Expanded Programme on Immunization, Islamabad, Pakistan, Received: 31/03/03; accepted: 14/01/04 ABSTRACT We sought to identify factors associated with being a reservoir district for wild poliovirus in Pakistan. Differences between reservoir and non-reservoir districts were identified using acute flaccid paralysis surveillance data, population census statistics and data from a survey of district health officials (DHOs). Of the 11 poliovirus reservoir districts identified, population density was significantly higher (median 550 persons/km2) than the nonreservoirs (median 175 persons/km2). DHOs from reservoir districts more often reported that planning was affected by refugees and they had more frequent DHO transfers compared with non-reservoir districts. Multivariate analysis confirmed that reservoirs more often had high population density and frequent DHO transfers. Assessment of districtlevel and management characteristics can supplement surveillance methods to further improve health programmes.
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