Table 12.
No. of items | Cronbach's alpha |
Spearman-brown coefficient |
||
---|---|---|---|---|
Equal length | Unequal length | |||
Part 1 |
6 |
0.85 |
0.91 | 0.91 |
Part 2 | 6 | 0.74 |
Part 1: Itching aggravated at night, itching, dry skin, itching accompanied by pain, burning skin, insomnia.
Part 2: Thirst, mouth dryness, constipation, dark urine, fidgeting, irascibility.