From: Chinese version of narcolepsy severity scale: a validation study
Items | Communlities | Factors | ||
---|---|---|---|---|
I | II | III | ||
1 | 0.334 | 0.457 | ||
2 | 0.520 | 0.711 | ||
3 | 0.776 | 0.845 | ||
4 | 0.515 | 0.573 | ||
5 | 0.478 | 0.412 | ||
6 | 0.368 | 0.600 | ||
7 | 0.257 | 0.462 | ||
Cronbach’ α | 0.697 | |||
8 | 0.727 | 0.837 | ||
9 | 0.691 | 0.794 | ||
10 | 0.563 | 0.629 | ||
15 | 0.296 | 0.379 | ||
Cronbach’ α | 0.740 | |||
11 | 0.630 | 0.775 | ||
12 | 0.759 | 0.859 | ||
13 | 0.596 | 0.767 | ||
14 | 0.692 | 0.814 | ||
Cronbach’ α | 0.817 | |||
KMOa measure of sampling adequacy | 0.728 | |||
Percentage of cumulative variance explained | 0.55 |