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Table 4 Factor loadings and orthogonal VARIMAX rotation

From: Work-related complaints of arm, neck and shoulder among computer office workers in an Asian country: prevalence and validation of a risk-factor questionnaire

Domain Abbreviated item description Factor1 Factor2
Work Station   Work area Computer position
   My desk at work has a suitable height 0.73 0.27
   I have enough space to work at my office 0.63 0.27
   I can adjust my chair height 0.70 -0.32
   My keyboard is placed directly in front of me -0.05 0.83
   The screen is placed directly in front of me 0.14 0.67
   When I use the mouse device my arm is supported by the Table 0.17 0.53
Eigenvalue   1.45 1.54
% of Variance   22.0 20.7
Body Posture   Incorrect body posture Bad habits
   When I work my head is bent 0.60 -0.01
   When I work my head is twisted towards the left or right 0.72 0.15
   When I work my body is twisted towards the left or right 0.74 0.13
   My Trunk is in asymmetrical position 0.78 0.24
   During my work I sit for long hours in one position -0.01 0.77
   For more than 2 hours/day I work with lifted shoulders 0.02 0.64
   During my work I sit in an awkward posture 0.55 0.57
   In work I perform repetitive tasks 0.12 0.73
   I find my job physically exhausting 0.20 0.80
Eigenvalue   2.90 2.63
% of Variance   26.4% 23.9%
Job Control   Skills and abilities Decision making
   My work develops my abilities 0.79 0.29
   In my work I have the chance to learn new things 0.83 0.26
   I have to be creative in my work 0.82 0.02
   I undertake different tasks in my work 0.74 -0.02
   I decide how to perform my job task 0.04 0.72
   I participate with others in decision taking -0.03 0.51
   I decide my own task changes 0.10 0.64
   I determine the time & speed job tasks 0.22 0.72
Eigenvalue   2.65 2.06
% of Variance   29.4 22.8%
Job Demands   Time management Work overload
   I work under extensive work pressure 0.79 -0.09
   I find it difficult to finish my job tasks on time 0.70 -0.38
   I take extra hours to finish my job tasks 0.78 -0.24
   I have don't have enough time to finish my job task 0.83 -0.13
   At work I speed to finish my tasks on time 0.36 0.88
   I find my work tasks difficult 0.14 0.73
   I have too many job tasks 0.40 0.62
Eigenvalue   3.55 1.18
% of Variance   33.7 26.1
Break Time   Work breaks Variation in work
   I can plan my work breaks 0.84 0.14
   I can decide when to take a break 0.82 0.20
   I can divide my work time 0.81 0.06
   I alternate in my job task 0.18 0.74
   I perform job tasks without a computer -0.18 0.78
   After two hours work I take a break for at least 10 minutes 0.23 0.58
Eigenvalue 2.48 2.01
% of Variance 30.9% 25.1%
Social Support Work environment Social Support
   The work flow goes smoothly 0.81 0.10
   I can ask and enquire about my work 0.78 0.24
   My work atmosphere is comfortable 0.56 0.32
   If I made a mistake in my work task I find support from my colleagues 0.10 0.81
   If I made a mistake in my work task I find support from my supervisors 0.13 0.81
   My colleagues are friendly 0.46 0.52
Eigenvalue 2.14 2.11
% of Variance 26.8% 26.3%