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Table 3 Principal component analysis factor loadings for alcohol problem severity

From: Preliminary study of alcohol problem severity and response to brief intervention

Variable

Alcohol problem severity factor

Penn Alcohol Craving Scale total

0.71

DSM-5 SCID AUD symptom count

0.85

Alcohol Use Disorders Identification Test total

0.82

Patient Health Questionnaire-9 total

0.90

Generalized Anxiety Disorder 7-Item Scale total

0.82

  1. Principal component analysis yielded one factor with all variables loading > 0.40 that explained 68% of the total variance (Eigenvalue = 3.387)
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Addiction Science & Clinical Practice

ISSN: 1940-0640