Abstract:
:Survey data measuring outpatient health expenditure are evaluated for item nonresponse, measurement error, and bias. Item nonresponse is high for persons whose health care is financed through the public sector, but is otherwise manageable. Estimates of mean total and out-of-pocket physician and dental expenditure from two surveys using indirect methods (including the Health Insurance Study) are compared with nonsurvey estimates. Out-of-pocket physician expenditure is overestimated, but the other measures appear unbiased. Estimates using direct, self-administrated methods appear biased upward. We demonstrate that commonly used record check methods for evaluating survey data will make random error appear as bias, and a methodology we develop shows substantial random error in the measurement of dental expenditure: 44 per cent of the total variance in survey data and 39 per cent of the variance in records.
journal_name
Med Carejournal_title
Medical careauthors
Marquis KH,Marquis MS,Newhouse JPdoi
10.1097/00005650-197611000-00002subject
Has Abstractpub_date
1976-11-01 00:00:00pages
913-31issue
11eissn
0025-7079issn
1537-1948journal_volume
14pub_type
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