Table 1.

Matrix table for the index of TST [28].

Negative Scale Score (Sum of Item 1–12)	Positive Scale Score
	(Sum of Item 13–24)
	12–36	9–11	6–8	3–5	0–2
0–1	1	2	3	4	5
2–3	2	3	4	5	6
4–5	3	4	5	6	7
6–7	4	5	6	7	8
8–36	5	6	7	8	9