A Comparison of the National Ambulatory Medical Care Survey (NAMCS) Measurement Approach With Direct Observation of Outpatient Visits
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TL;DR
The NAMCS physician report method is more accurate for procedures and examinations than for health behavior counseling, and underreporting of behavioral counseling and overreporting of visit duration should lead to caution in interpreting findings based on these variables.
Abstract
Compared with direct observation of outpatient visits, the NAMCS physician report method is more accurate for procedures and examinations than for health behavior counseling. Underreporting of behavioral counseling and overreporting of visit duration should lead to caution in interpreting findings based on these variables.
