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Identifying prenatal alcohol use: screening instruments versus clinical predictors.
G Chang1, M A Goetz, L Wilkins-Haug
1Brigham and Women's Hospital, Boston, MA, USA. gchang@bics.bwh.harvard.edu
The American Journal on Addictions
|June 12, 1999
Summary
This study compared screening tools for prenatal alcohol use. The T-ACE and AUDIT, along with clinical factors, showed moderate accuracy in identifying current drinkers.
Area of Science:
- Obstetrics and Gynecology
- Public Health
- Addiction Medicine
Background:
- Prenatal alcohol exposure is a leading preventable cause of birth defects.
- Accurate identification of prenatal alcohol use is crucial for intervention.
- Existing screening tools vary in their effectiveness.
Purpose of the Study:
- To compare the accuracy of T-ACE, AUDIT, and SMAST screening instruments against clinical predictors for identifying prenatal alcohol use.
- To evaluate the combined predictive power of screening tools and clinical factors.
Main Methods:
- A cohort of 350 women receiving prenatal care completed the T-ACE, AUDIT, and SMAST questionnaires.
- Receiver Operating Characteristic (ROC) curve analysis was used to assess predictive accuracy.
- Comparison of individual tool performance versus combined predictor performance.
Main Results:
- The T-ACE and AUDIT, along with clinical predictors, identified 65-70% of current drinkers.
- The SMAST demonstrated performance only slightly better than chance.
- Combining the T-ACE with clinical predictors enhanced its identification accuracy.
Conclusions:
- The T-ACE and AUDIT are more effective than SMAST for screening prenatal alcohol use.
- Clinical predictors significantly improve the accuracy of the T-ACE screening tool.
- Enhanced screening strategies are needed for accurate identification of prenatal alcohol consumption.