The validity and reliability of the Mandarin Chinese version of the drug abuse screening test among adolescents in Taiwan

Table 2 Scale scores for screening various levels of drug dependence

Score	Sensitivity %	Specificity %	PPV %	NPV %	kappa	χ²	p
Drug user vs Nonuser
≧2	93.88	80.39	82.14	93.18	0.74	55.94	<0.001
≧3	87.76	94.12	93.48	88.89	0.82	67.44	<0.001
≧4	83.67	96.08	95.35	85.96	0.80	64.85	<0.001
Regular user vs Non-regular user
≧5	88.24	87.88	78.95	93.55	0.70	48.91	<0.001
≧6	85.29	92.42	85.29	92.42	0.73	53.67	<0.001
≧7	70.59	92.42	82.75	85.92	0.65	43.27	<0.001

ISSN: 1747-597X