U.S. Department of Transportation - NHTSA - Identification and Referral of Impaired Drivers through Emergency Department Protocols - Figure 2 Long Description- DOT HS 809 412 - February 2002

Figure 2 - Data Summary

Screened: 5,602
Eligible for Enrollment: 4,257

Consented to interview: 2,787
Received TWEAK: 2,787

TWEAK Positive: 388 (13.9%)

Received Intervention: 130

Received evaluation: 25/130 (19.2%)
No evaluation received: 105/130 (80.8%)

Control: 157

Received evaluation: 7/157 (4.5%)
No evaluation received 150/157 (95.5%)

Missing Data: 101

TWEAK Negative: 2,399

Consent not obtained: 1,470