Table 2:
Logistic Regression Analysis of Patient Characteristics Associated with Positive Blood Alcohol Levels in Trauma Patients Who Report an AUDIT Score of Zero
| Variable | Category | Outcome: BAC > 0 | Outcome: BAC > 80 | ||
|---|---|---|---|---|---|
| OR (95% CI) | p-value | OR (95% CI) | p-value | ||
| Age | 0.99 (0.98, 1) | 0.02 | 0.98 (0.97, 1) | 0.01 | |
| Sex | Female | 1 | 1 | ||
| Male | 1.53 (1.04, 2.26) | 0.03 | 2.45 (1.40, 4.29) | 0.00 | |
| Race | White | 1 | 1 | ||
| Other | 0.87 (0.57, 1.34) | 0.54 | 1 (0.57, 1.74) | 0.99 | |
| Education | ≥College graduate (5-9) | 1 | |||
| Some college + ≤ HS (1-4) | 1.04 (0.68, 1.58) | 0.86 | 0.95 (0.54, 1.66) | 0.86 | |
| Cause of injury | Collision | 1 | 1 | ||
| Fall/Unknown/found down | 1.37 (0.82, 2.27) | 0.23 | 1.07 (0.53, 2.16) | 0.86 | |
| Assault/Penetrating mechanism | 2.29 (1.31, 3.98) | 0.00 | 2.04 (1.00, 4.15) | 0.05 | |
| Language | English | 1 | 1 | ||
| Spanish | 0.96 (0.44, 2.08) | 0.91 | 1.57 (0.67 ,3.68) | 0.30 | |
| ISS category | Minor (1-15) | 1 | 1 | ||
| Moderate (16-25) | 1.13 (0.64, 1.99) | 0.68 | 0.76 (0.32, 1.82) | 0.54 | |
| Severe (>25) | 3.76 (2.11, 6.69) | <0.00 | 3.78 (1.87, 7.63) | 0.00 | |
Abbreviations: AUDIT: Alcohol Use Disorders Identification Test; BAC: Blood Alcohol Content; OR: Odds Ratio; CI: Confidence Interval; HS: High School; ISS: Injury Severity Score