Sensors that measure alcohol concentration through the skin can provide valid measures of drinking intensity and predict alcohol consequences among young adult drinkers, according to a study in Alcoholism: Clinical and Experimental Research. Wearable transdermal alcohol concentration (TAC) sensors offer a viable and unobtrusive option by passively and continuously measuring perspired ethanol.
During and after a drinking episode, TAC rises to a peak before diminishing; the precise trajectory can be plotted as a graph and different features assessed. These features could facilitate prediction of consequences, aiding prevention efforts. In the new study, researchers derived and tested these five features from TAC sensor data as indicators of self-reported drinking and predictors of alcohol consequences in over 200 heavy drinking young adults.
The findings support the use of TAC sensors in future studies of young adult drinking in everyday settings and highlight the specific TAC features that help predict consequences. The findings may also facilitate development of novel self-report measures that reflect these features.
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