Table 4.

Sensitivity, Specificity, and Test-Retest Analysis by Demographics

		4 P’s Plus			NIDA Quick Screen ASSIST			SURP-P
		Sensitivity	Specificity	Test-Retest	Sensitivity	Specificity	Test-Retest	Sensitivity	Specificity	Test-Retest
Age	18–25	89.9 (81.5, 95.6)	40.2 (30.6, 52.4)	0.86†	81.0 (69.9, 88.3)	70.1 (59.7, 80.0)	0.72†	91.1 (83.0, 96.5)	29.9 (21.0, 41.5)	0.76†
	26+	90.4 (82.2, 94.7)	25.2 (19.2, 31.3)	0.82†	78.6 (67.9, 84.8)	88.0 (82.8, 92.1)	0.78†	93.3 (86.9, 97.3)	18.5 (13.6, 24.5)	0.81†
Race	African American/ Black	89.8 (84.1, 93.9)	36.8 (29.6, 44.4)	0.83†	80.0 (73.1, 85.8)	80.9 (74.3, 86.5)	0.74†	91.6 (86.3, 95.3)	29.3 (22.7, 36.7)	0.78†
	Caucasian/ White	94.1 (71.3, 99.9)	13.3 (6.6, 21.7)	0.90†	64.7 (38.3, 85.8)	87.8 (79.7, 94.3)	0.83†	100.0 (80.5, 100.0)	7.8 (3.3, 16.1)	0.85†
	Other/ Multiracial	75.0 (19.4, 99.4)	36.4 (19.8, 53.5)	0.76†	75.0 (19.4, 99.4)	78.8 (62.1, 91.3)	0.79†	100.0 (39.8, 100.0)	20.6 (8.4, 36.9)	0.82†
Trimester	1st	90.0 (80.7, 95.9)	33.3 (23.4, 45.4)	0.77†	79.7 (68.7, 88.6)	84.6 (75.9, 92.7)	0.81†	91.4 (82.5, 96.8)	25.6 (16.6, 37.2)	0.86†
	2nd	92.5 (82.3, 96.8)	24.3 (16.0, 33.6)	0.85†	81.4 (70.3, 89.7)	80.4 (70.5, 87.2)	0.75†	95.5 (88.0, 99.1)	18.3 (11.7, 27.8)	0.72†
	3rd	87.0 (73.7, 95.1)	31.9 (23.3, 40.9)	0.88†	71.7 (56.5, 84.0)	83.6 (75.8, 89.9)	0.76†	89.1 (76.4, 96.4)	22.4 (15.1, 30.8)	0.79†

^†A phi coefficient ≥0.50 indicates an acceptable level of correlation.