Table 1 The distribution of CSED-10 items

I was bothered by things that don’t usually bother me

0.97 ± 1.13

0.560

0.739

I had trouble keeping my mind on what I was doing

0.97 ± 1.13

0.484

0.749

I felt depressed

1.00 ± 1.12

0.641

0.728

I felt everything I did was an effort

1.13 ± 1.21

0.547

0.740

I felt hopeful about the future

1.76 ± 1.25

0.122

0.799

I felt fearful

0.40 ± 0.85

0.438

0.757

My sleep was restless

1.21 ± 1.24

0.374

0.765

I was happy

1.46 ± 1.24

0.323

0.772

I felt lonely

0.66 ± 1.06

0.513

0.746

I could not get “going”

0.47 ± 0.92

0.518

0.748

Total Cronbach’s alpha

0.784