Table 4.

Results of factor analysis: eigenvalue of each item

Factor	Eigenvalue	Cumulative contribution rate (%)
1	7.600	30.4
2	1.795	37.6
3	1.556	43.8
4	1.217	48.7
5	1.095	53.1
6	0.996	57.0
7	0.942	60.8
8	0.893	64.4
9	0.783	67.5
10	0.756	70.5
11	0.728	73.4
12	0.680	76.2
13	0.656	78.8
14	0.643	81.4
15	0.617	83.8
16	0.584	86.2
17	0.505	88.2
18	0.482	90.1
19	0.433	91.9
20	0.427	93.6
21	0.387	95.1
22	0.361	96.6
23	0.320	97.8
24	0.302	99.0
25	0.239	100.0

Bold typeface indicates eigenvalues over 1.0