2.6. Data collection
2.6.1. The assessment battery (Table 1)
The assessment battery balances the need of brevity for screening
substance use against the costs of data collection in terms of staff time,
feasibility of completion in the primary care setting, and assessment reactivity.
The size of the assessment battery is minimized to contain the
cost and time of the study. The set of assessment for (nonmedical or
illicit) drug use is based on the NIDA CTN's common data elements for
SBIRT, including validated screening items and brief assessments to