Table 5.

Predicted PEth sensitivity for each variable calculated from the regression models, holding all others at their means. Categories for continuous variables are the midpoints of categories defined in Table 4.

Predictors	Model 1	Model 2	Model 3
AUDIT-C score
Medium: 4	77.1% (68.5–85.6)	82.5% (76.4–88.6)	78.9% (70.9–86.9)
High: 6	84.8% (78.1–91.5)	88.2% (83.0–93.4)	83.5% (77.4–89.5)
Very high: 10	90.9% (86.2–95.5)	92.1% (88.2–96.1)	88.2% (84.0–92.3)
Sex
Male	86.3% (79.8–92.8)	88.8% (83.8–93.9)	84.4% (78.8–89.9)
Female	84.6% (77.5–91.8)	89.5% (84.1–94.9)	85.7% (79.3–92.0)
Race/ethnicity
African	90.2% (81.9–98.6)	93.2% (87.9–98.4)	91.5% (82.2–100.8)
African American	84.1% (77.1–91.1)	87.7% (81.3–94.0)	84.3% (78.2–90.5)
White	80.7% (72.1–89.4)	82.6% (73.4–91.8)	76.8% (66.9–86.8)
Other	82.7% (73.7–91.7)	83.9% (74.8–93.0)	79.8% (66.9–92.7)
Age
20	78.4% (68.5–88.2)	79.0% (67.6–90.5)	83.0% (67.7–98.3)
30	83.3% (76.9–89.8)	85.9% (80.1–91.7)	84.2% (75.7–92.8)
40	86.0% (79.5–92.5)	89.0% (83.9–94.0)	84.7% (78.9–90.5)
50	86.9% (80.0–93.8)	89.7% (84.5–95.0)	84.4% (78.9–89.9)
60	86.4% (79.2–93.5)	88.6% (83.2–93.9)	83.3% (77.6–89.1)
Method of blood collection
Finger-prick	86.6% (73.7–99.4)
Venous blood collection	85.7% (79.2–92.2)
Body mass index (kg/m2)
Underweight: 17.5		92.3% (88.4–96.1)	89.3% (84.2–94.3)
Normal: 22		90.3% (85.8–94.9)	86.5% (81.2–91.9)
Overweight: 27.5		87.1% (81.1–93.0)	82.1% (76.2–87.9)
Obese: 33		83.2% (75.2–91.2)	76.8% (70.1–83.6)
Hemoglobin (g/dL)
Moderate/severe: 10		82.0% (74.1–89.8)	74.9% (66.4–83.4)
Mild anemia: 11.5		84.8% (78.2–91.5)	78.9% (71.8–86.0)
No anemia: 14		88.8% (83.7–94.0)	84.5% (78.9–90.1)
High hemoglobin: 17.5		92.9% (89.0–96.8)	90.3% (85.6–95.0)
HIV status
Negative		90.9% (86.4–95.5)	87.1% (81.5–92.7)
Positive		88.6% (83.4–93.8)	84.3% (78.7–89.9)
FIB-4 score
No/mild fibrosis: <1.45			83.1% (77.3–88.8)
1.45–3.25			86.1% (80.2–92.1)
Advanced fibrosis: >3.25			89.8% (84.8–94.8)