Journal
HEALTH & PLACE
Volume 13, Issue 1, Pages 293-298Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.healthplace.2005.08.006
Keywords
geocoding; address matching; geographic information systems
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Studies that estimate the influence of characteristics of place on health often use geocoded addresses to identify location of study subjects. This study uses housing built before 1990 selected for the 1995-2001 National Health Interview Survey (N = 252,421) to develop a standard against which geocodes obtained from an address-coding program are compared. The results show that geocoding is generally accurate and is more successful in urban areas. Blockgroups with missing codes are more rural and somewhat poorer than blockgroups with correct codes. The effect of incorrect codes on statistical analyses depends on the proportion rural in a study population. Published by Elsevier Ltd.
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