Headache as the Reason for Office Visits, National Ambulatory Medical Care Survey: United States, 1977-78
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January 7, 1981
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Series: NCHS Advance Data
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English
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Description:Headache was the principal cause of an estimated 18,341,923 visits to office-based physicians during 1977-78. Headache was the seventh most frequent ; symptomatic reason for visits given by patients. ; The estimates in this report are based on data collected in the National Ambulatory Medical Care Survey (NAMCS), a probability sample survey conducted yearly by the Division of Health Care Statistics of the National Center for Health Statistics. Since the estimates presented in this report are based on a sample rather than on the entire universe of office-baseded physicians, the data are subject to sampling ability. The Technical Notes at the end of this report provide a brief explanation of sampling errors and guidelines for judging the precision of the estimates presented. A more detailed description of the sample design and additional definitions of certain terms used in NAMCS have been published elsewhere. ; PMID: 10254004 ; ad067acc.pdf
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Content Notes:Advance data from vital and health statistics of the National Center for Health Statistics ; no. 67 ; DHEW publication ; no. (PHS) 80-1250
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Source:National Ambulatory Medical Care Survey
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Issue:67
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Main Document Checksum:urn:sha-512:79d8ec85a66d65c9f6ffca8df6441232e206149d20423d5735dfda1e1fea2115d8d6a3203361f5005177d289aaea1633fab0f360bcee4ea844a20bb29e97d695
File Language:
English
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