Table 4. Factor loadings from EFA of the 12-item MEUS.

Items	Factor 1 (withdrawal and health problem)	Factor 2 (social comfort)	Factor 3 (time management and performance)
21.	0.872	−0.071	0.026
23.	0.849	−0.112	0.045
6.	0.821	0.010	−0.017
19.	0.709	0.150	0.063
20.	0.525	0.330	0.077
25.	−0.271	0.822	0.032
27.	0.265	0.645	−0.024
26.	0.345	0.642	0.012
7.	−0.076	0.017	0.839
16.	0.013	0.219	0.797
8.	0.062	−0.173	0.761
24.	0.398	0.471	0.048