Overcoming the absence of socioeconomic data in medical records: validation and application of a census-based methodology.
N Krieger
Division of Research, Kaiser Foundation Research Institute, Oakland, CA.
BACKGROUND. Most US medical records lack socioeconomic data,hindering studies of social gradients in health and ascertainmentof whether study samples are representative of the general population.This study assessed the validity of a census-based approachin addressing these problems. METHODS. Socioeconomic data from1980 census tracts and block groups were matched to the 1985membership records of a large prepaid health plan (n = 1.9 million),with the link provided by each individual's residential address.Among a subset of 14,420 Black and White members, comparisonswere made of the association of individual, census tract, andcensus block-group socioeconomic measures with hypertension,height, smoking, and reproductive history. RESULTS. Census-leveland individual-level socioeconomic measures were similarly associatedwith the selected health outcomes. Census data permitted assessingresponse bias due to missing individual-level socioeconomicdata and also contextual effects involving the interaction ofindividual- and neighborhood-level socioeconomic traits. Onthe basis of block-group characteristics, health plan membersgenerally were representative of the total population; personsin impoverished neighborhoods, however, were underrepresented.CONCLUSIONS. This census-based methodology offers a valid anduseful approach to overcoming the absence of socioeconomic datain most US medical records.
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L.-M. Baldwin, S. A. Dobie, K. Billingsley, Y. Cai, G. E. Wright, J. A. Dominitz, W. Barlow, J. L. Warren, and S. H. Taplin Explaining Black-White Differences in Receipt of Recommended Colon Cancer Treatment
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[Abstract][Full Text][PDF]
R. A Whitmer, E. P Gunderson, E. Barrett-Connor, C. P Quesenberry Jr, and K. Yaffe Obesity in middle age and future risk of dementia: a 27 year longitudinal population based study
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[Abstract][Full Text][PDF]
C. A. Clarke, S. L. Glaser, T. H.M. Keegan, and A. Stroup Neighborhood Socioeconomic Status and Hodgkin's Lymphoma Incidence in California
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[Abstract][Full Text][PDF]
A. Rewers, H. Hedegaard, D. Lezotte, K. Meng, F. K. Battan, K. Emery, and R. F. Hamman Childhood Femur Fractures, Associated Injuries, and Sociodemographic Risk Factors: A Population-Based Study
Pediatrics,
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[Abstract][Full Text][PDF]
C. M. Fuller, L. N. Borrell, C. A. Latkin, S. Galea, D. C. Ompad, S. A. Strathdee, and D. Vlahov Effects of Race, Neighborhood, and Social Network on Age at Initiation of Injection Drug Use
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S. H. Konety, M. S. Vaughan Sarrazin, and G. E. Rosenthal Patient and Hospital Differences Underlying Racial Variation in Outcomes After Coronary Artery Bypass Graft Surgery
Circulation,
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J. Hsu, J. Huang, J. Kinsman, B. Fireman, R. Miller, J. Selby, and E. Ortiz Use of e-Health Services between 1999 and 2002: A Growing Digital Divide
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J. Lee, L. A. Croen, K. H. Backstrand, C. K. Yoshida, L. H. Henning, C. Lindan, D. M. Ferriero, H. J. Fullerton, A. J. Barkovich, and Y. W. Wu Maternal and Infant Characteristics Associated With Perinatal Arterial Stroke in the Infant
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R. A. Whitmer, S. Sidney, J. Selby, S. C. Johnston, and K. Yaffe Midlife cardiovascular risk factors and risk of dementia in late life
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[Abstract][Full Text][PDF]