Table 3.

Exploratory factor analysis without assuming the number of factors by using least-squares method with Promax rotation^a.

Item number	Short description of the item	Concept	Factor loading score
			1	2	3
6	Suitable for my social conditions	Appropriateness	0.813	–0.192	–0.063
5	Applicable to my health status	Appropriateness	0.757	–0.076	0.089
7	Fits my living condition	Appropriateness	0.696	–0.090	–0.130
3	Acceptable for me	Acceptability	0.695	0.174	–0.011
2	Improves my social image	Acceptability	0.532	–0.017	–0.037
1	Advantages outweigh the disadvantages for keeping my mental health	Acceptability	0.481	0.019	0.067
4	Appropriate (from your perspective, it is the right thing to do)	Appropriateness	0.463	0.325	0.074
10	Total length is implementable	Feasibility	–0.135	0.922	0.11
11	Length of one content is implementable	Feasibility	–0.113	0.839	–0.039
12	Frequency is implementable	Feasibility	0.073	0.575	–0.039
13	Easy to understand	Feasibility	0.163	0.559	–0.009
9b	Physical effort	Feasibility	–0.062	0.518	–0.24
8	Easy to use	Feasibility	0.372	0.492	0.124
18	Time-consuming	Harm	–0.075	–0.086	0.723
16	Mental symptoms	Harm	–0.009	–0.154	0.657
17	Induced dangerous experience regarding safety	Harm	0.051	0.227	0.610
15	Physical symptoms	Harm	0.086	–0.235	0.592
19	Excessive pressure on learning regularly	Harm	–0.077	–0.019	0.562

^aItalicized values are significant.

^bUsed a reversed score.