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Arch Pediatr Adolesc Med. 1999 Jun;153(6):591-6.

A new brief screen for adolescent substance abuse.

Author information

  • 1Division of General Pediatrics, Children's Hospital, Harvard Medical School, Boston, Mass 02115, USA. knight_j@a1.tch.harvard.edu

Abstract

OBJECTIVE:

To develop a brief alcohol and other drug (AOD) screening test for adolescents.

METHODS:

A 9-item test was constructed by combining and modifying items from several AOD assessments, and administered concurrently with the Personal Involvement With Chemicals Scale (PICS), the criterion standard.

SETTING:

A hospital-based adolescent clinic.

SUBJECTS:

Fourteen- to 18-year-old patients consecutively arriving for routine medical care who were known to have used AOD.

MEASURES:

Internal consistency of the 9 items was calculated using the Cronbach alpha. The relationship between the brief screen and PICS raw score was determined by stepwise linear regression analysis. The PICS T score has been shown to correctly classify substance abuse treatment need as no treatment (T<35), brief office intervention (T = 35-40), outpatient or short-term treatment (T = 41-54), and inpatient or long-term treatment (T> or =55). Sensitivity and specificity rates for predicting a PICS T score of 55 or higher were calculated from 2 x 2 tables.

RESULTS:

Ninety-nine adolescents were tested (70.7% female, 36.4% black, 32.3% white, 19.2% Hispanic, mean age, 16.3 years). The 9 items had good internal consistency (Cronbach alpha = .79). Stepwise linear regression analysis identified 6 items whose total combined score was highly correlated with PICS (Pearson r = 0.84, P<.01). This model correctly classified 86% of subjects according to the PICS criteria. Two or more yes answers had a sensitivity of 92.3% and specificity of 82.1% for intensive AOD treatment need. The 6 items were arranged into a mnemonic (CRAFFT).

CONCLUSIONS:

Further research must confirm the test's psychometric properties in a general clinic population. However, CRAFFT seems promising as a brief AOD screening test.

PMID:
10357299
[PubMed - indexed for MEDLINE]
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