NTL Record

Title Methods for Estimating Expected Blood Alcohol Concentration [1980-09]
Record ID 25539
Personal Name
Creator
Burns, Marcelline; Moskowitz, Herbert, 1925-
Source vi, 88 p. : ill.
Corporate Creator Southern California Research Institute
Corporate
Contributor
United States. Department of Transportation. National Highway Traffic Safety Administration
Publisher United States. Department of Transportation. National Highway Traffic Safety Administration
Publication Date 19800900
Language English
Abstract Estimates of blood alcohol concentration (BAC) typically are based on the amount of alcohol consumed per pound bodyweight. This method fails to consider either food intake or body composition, factors which significantly affect BAC. A laboratory experiment was conducted to examine amount and type of food and time of food intake in relation to alcohol intake and BAC. Protein and carbohydrates were more effective than fatty foods in reducing the BAC, expected in a fasted state. A moderate to large amount of food, such as a typical full meal, was more effective than lesser amounts, but even a small amount of food had some effect. Time intervals of 1/2 to 4 hours between eating and drinking were investigated; the 1/2 hour interval was most effective in an inverse relationship. At 4 hours there was no food effect. In a study of body conposition and BAC, 20 men and 20 women were subjects. Estimates of percent body fat were caculated using body circumferences or skinfold measurements. Subjects were dosed with .68 g alcohol/kg bodyweight, and the relationship of BAC to body fat estimate was analyzed. Use of body fat estimates did not increase the accuracy of BAC estimates sufficiently to recommend the method. It may be useful for scientific purposes but appears not to be feasible for widespread use. The data suggest that compared to men, women will achieve the same BAC with 15 percent less alcohol, based on ounces of alcohol per pound bodyweight. Similarly, the overweight person will achieve the same BAC as the average weight person with 10 percent less alcohol. These recommendations reflect the male-female differences in body composition, and the higher percent body fat in the obese body. /Abstract from report summary page/
Rosap ID dot:1265
Rosap URL https://rosap.ntl.bts.gov/view/dot/1265
TRT Terms Blood alcohol levels; Physiological aspects; Accuracy
General Subjects Impaired driving, Alcohol
Classification NTL - SAFETY AND SECURITY - SAFETY AND SECURITY
Geographical
Coverage
United States
TRIS Online
Accession No
326418
Contract Number DOT-HS-8-01999
Report Number DOT-HS-805-563; NTIS-PB81114761
Availability NHTSA - Behavioral Safety Research
Resource type Research Paper
URL https://ntlrepository.blob.core.windows.net/lib/25000/25500/25539/DOT-HS-805-563_002.pdf
Format PDF
Database NTL Digital Repository