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. 2015 Aug 11;10(8):e0134695. doi: 10.1371/journal.pone.0134695

Table 1. Construct validity and internal consistency reliability of CAOD.

Items Factor 1 Factor 2 Factor 3 Factor 4 Common factor
CAOD 16 Items α = 0.902
Factor 1 Occupational marginalization α = 0.826
Item14 It is thought that it is carried out by treatment different from the surrounding person. 0.782 −0.027 −0.026 0.102 0.609
Item29 I have opinions but nobody hears them. 0.765 −0.034 0.04 0.043 0.551
Item19 Criticism from a close friend is disheartening. 0.696 −0.016 −0.158 0.169 0.454
Item4 My hard work is not appreciated. 0.683 −0.037 0.062 0.009 0.464
Item37 I was concerned with a friend’s stress relief. 0.605 0.118 0.042 −0.152 0.469
Item38 It is talking with the partner who is not pleasant by force. 0.566 0.04 0.165 −0.125 0.469
Factor 2 Occupational imbalance α = 0.874
Item21 My busy life has led to lack of sleep. 0.043 0.868 −0.103 −0.014 0.598
Item16 There is no time to rest, and I am tired. 0.014 0.815 0.052 0.043 0.664
Item11 Daily life is becoming very busy and increasingly exhausting. −0.061 0.798 0.106 −0.015 0.639
Item1 I am so busy that the rhythm of my life is confused. 0.014 0.73 −0.052 0.044 0.521
Factor 3 Occupational deprivation α = 0.837
Item13 I cannot enjoy my favorite activities. −0.003 −0.071 0.855 0.081 0.578
Item12 There is no opportunity to carry out that what I consider important for its own sake. 0.052 0.117 0.703 −0.047 0.525
Item2 There is no place where I can enjoy hobbies. 0.028 −0.020 0.696 −0.004 0.434
Factor 4 Occupational alienation α = 0.838
Item18 I feel that my life has no meaning. 0.069 0.030 −0.125 0.809 0.499
Item23 There is no sense of accomplishment in daily life. −0.029 0.018 0.068 0.793 0.539
Item28 Daily life has become tedious. −0.006 0.001 0.265 0.630 0.572
Factor correlation
Factor 1 1.000
Factor 2 0.372 1.000
Factor 3 0.641 0.235 1.000
Factor 4 0.566 0.509 0.588 1.000