期刊
AMERICAN JOURNAL OF PUBLIC HEALTH
卷 91, 期 7, 页码 1114-1116出版社
AMER PUBLIC HEALTH ASSOC INC
DOI: 10.2105/AJPH.91.7.1114
关键词
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资金
- NICHD NIH HHS [1 R01 HD36865-01] Funding Source: Medline
Objectives. This study sought to determine the accuracy of geocoding for public health databases. Methods. A test file of 70 addresses,, 50 of which involved errors, was generated, and the file was geocoded to the census tract and block group levels by 4 commercial geocoding firms. Also, the real world accuracy of the best-performing firm was evaluated. Results. Accuracy rates in regard to geocoding of the test file ranged from. 44% (95% confidence interval [Cl] = 32%, 56%) to 84% (95% CI = 73%, 92%). The geocoding fu-m identified as having the best accuracy rate correctly geocoded 96% of the addresses obtained from the public health databases. Conclusions, Public health studies involving geocoded databases should. evaluate and report on methods used to verify accuracy.
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