Description & Citation--Study No. 21560 |
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| ICPSR Study No.: | 21560 |
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Persistent URL:
| http://dx.doi.org/10.3886/ICPSR21560 |
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| Title: | National Ambulatory Medical Care Survey, 2005 |
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| Principal Investigator(s): | United States Department of Health and Human Services. National Center for Health Statistics |
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| Series: | National Ambulatory Medical Care Survey Series |
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| Bibliographic Citation: | U.S. Dept. of Health and Human Services, National Center for Health Statistics. NATIONAL AMBULATORY MEDICAL CARE SURVEY, 2005 [Computer file]. ICPSR21560-v2. Hyattsville, MD: U.S. Dept. of Health and Human Services, National Center for Health Statistics [producer], 2006. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2008-02-06. doi:10.3886/ICPSR21560 |
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| Summary: | The National Ambulatory Medical Care Surveys (NAMCS) supply
data on ambulatory medical care provided in physicians' offices. The
2005 survey contains information from 25,665 patient visits to 1,281
physicians' offices. Data are available on the patient's smoking
habits, reason for the visit, expected source of payment, the
physician's diagnosis, and the kinds of diagnostic and therapeutic
services rendered. Other variables cover drugs/medications ordered,
administered, or provided during office visits, with information on
medication code, generic name and code, brand name, entry status,
prescription status, federal controlled substance status, composition
status, and related ingredient codes. Information is also included on
the physician's specialization and geographic location. Demographic
information on patients, such as age, sex, race, and ethnicity, was
also collected. |
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| Subject Term(s): | ambulatory care, doctor visits, health care services, medical care, medical evaluation, medical records, medications, patient care, patients, physicians, prescription drugs, smoking, treatment |
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| Geographic Coverage: | United States |
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| Time Period: | 2005 |
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| Date(s) of Collection: | 2005 |
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| Universe: | Office visits made within the United States by patients of
nonfederally-employed physicians who were primarily involved in
office-based patient care activities, but not engaged in the
specialties of radiology, pathology, or anesthesiology. |
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| Data Type: | administrative records data |
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| Data Collection Notes: | Per agreement with NCHS, ICPSR distributes the data
file and text of the technical documentation for this collection as
prepared by NCHS. |
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| Sample: | The 2005 NAMCS utilized a multistage probability sample
design. Primary sampling units (PSUs) were selected in the first
stage, physician practices within PSUs in the second stage, and
patient visits to selected physicians in the third stage. |
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| Weight: | Microdata file users should be fully aware of the importance
of the "patient visit weight" (PATWT) and how it must be used.
Information about the patient visit weight is presented in the
codebook. If more information is needed, the staff of the Ambulatory
Care Statistics Branch can be consulted by calling (301) 458-4600
during regular working hours. Prior to this data release, researchers
could not make physician-level estimates with publicly available NAMCS
data. For 2005, a new "physician weight" (PHYSWT) variable was added
to the first record for each individual physician in the dataset. |
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| Data Source: | medical records |
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| Note: | A list of the data formats available for this study can be found in the
summary of holdings. Detailed file-level information (such as record length, case count, and variable count) is listed in the
file manifest. |
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| Restrictions: | In preparing the data file for this collection, the
National Center for Health Statistics (NCHS) has removed direct
identifiers and characteristics that might lead to identification of
data subjects. As an additional precaution, NCHS requires, under
Section 308(d) of the Public Health Service Act (42 U.S.C. 242m),
that data collected by NCHS not be used for any purpose other than
statistical analysis and reporting. NCHS further requires that
analysts not use the data to learn the identity of any persons or
establishments and that the director of NCHS be notified if any
identities are inadvertently discovered. ICPSR member institutions and
other users ordering data from ICPSR are expected to adhere to these
restrictions. |
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| Original ICPSR Release: | 2008-01-30 |
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| Version History: | The last update of this study occurred on 2008-02-06. |
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| 2008-02-06 - The setup files were updated. |
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| Dataset(s): | - DS1: National Ambulatory Medical Care Survey, 2005
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