Document Detail

Repeatability of replicate breath alcohol measurements collected in short time intervals.
MedLine Citation:
PMID:  7633935     Owner:  NLM     Status:  MEDLINE    
The effect of short time interval sampling between replicate breath alcohol samples has been investigated. The results from 10 samples, which were collected approximately one minute apart from eight individuals and approximately 20 seconds apart from one individual, were evaluated by simple linear regression. The regression coefficient (slope) and its standard error were evaluated for the presence of any trend in alcohol depletion. Other statistical analyses were also included in this assessment. All nine subjects had linear regression coefficients for the end-expiratory results that were not significantly different from zero (P > 0.05). In view of the respiratory physiology, there does not appear to be any measurable depletion of breath alcohol concentration due to sampling intervals as short as one minute.
R G Gullberg
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Science & justice : journal of the Forensic Science Society     Volume:  35     ISSN:  1355-0306     ISO Abbreviation:  Sci. Justice     Publication Date:    1995 Jan-Mar
Date Detail:
Created Date:  1995-09-11     Completed Date:  1995-09-11     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  9508563     Medline TA:  Sci Justice     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  5-9     Citation Subset:  IM    
Washington State Patrol, Breath Test Section, Seattle 98102, USA.
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MeSH Terms
Alcohol Drinking / blood*,  legislation & jurisprudence
Breath Tests*
Ethanol / pharmacokinetics*
Forensic Medicine / methods*
Linear Models
Time Factors
Reg. No./Substance:

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