Table 1.

The 6-items STAI.

Question No	Statement	Not at All	Somewhat	Moderately	Very Much
1-	I feel calm	1	2	3	4
2-	I am tense	1	2	3	4
3-	I feel upset	1	2	3	4
4-	I am relaxed	1	2	3	4
5-	I feel content	1	2	3	4
6-	I am worried	1	2	3	4