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Chunk #18 — 3.0 RESULTS

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A multidimensional assessment of the validity and utility of alcohol use disorder severity as determined by item response theory models.
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The top panel of Table 2 shows the mean values for the eight outcome or validating measures for individuals who endorsed each of the 11 AUD criteria, listed in order of their severity. For all outcome measures, the values tend to increase directly with criterion severity except for those associated with legal problems, which are lower than expected. For example, average daily volume of ethanol intake increased from a mean of 2.24 ounces among those endorsing drinking more/longer than intended (irrespective of any other criteria they may have endorsed) to 5.86 ounces among those endorsing activities given up, but fell to 3.80 for those endorsing legal problems. The pattern was reversed for the SF-12 NBMCS score, with lower values of psychological functioning associated with more severe criteria. For all outcomes, the most extreme values were associated with failure to fulfill role obligations and activities given up.