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Table 1 Factor loadings in a principal component analysis (Kaiser's varimax rotation) on the 'Job Stress Survey' and 'The Norwegian Ambulance Stress Survey' single items

From: Occupational stressors and its organizational and individual correlates: A nationwide study of Norwegian ambulance personnel

The Job stress Survey (JSS) Items Lack of support leaders Demanding job tasks Time pressure Lack of support co-workers
No participating in decisions 0.84 0.20 0.03 0.04
Lack recognition for good work 0.80 0.14 0.03 0.28
Poor or inadequate supervision 0.61 0.28 0.13 0.18
Difficult working with superior 0.81 0.16 0.17 0.19
Inadequate support by supervisor 0.57 0.24 0.19 0.25
Difficulty getting along with supervisor 0.79 0.01 0.19 0.22
Working overtime 0.16 0.56 0.05 0.12
Critical on the spot decisions 0.20 0.73 0.16 0.10
Assigned increased responsibility 0.32 0.62 0.19 0.11
Assignment of new duties 0.11 0.75 0.24 0.03
Perform duties not in job description 0.04 0.67 0.33 0.16
Frequent interruptions 0.26 0.28 0.53 0.42
Frequent change simple to demanding tasks 0.06 0.44 0.61 0.16
Excessive paperwork 0.09 0.19 0.79 0.12
Meeting deadline 0.06 0.20 0.82 0.14
Insufficient personal time 0.24 0.12 0.66 0.04
Fellow workers not doing job 0.26 0.21 0.01 0.77
Covering work for others 0.31 0.18 0.27 0.56
Poorly motivated co-workers 0.26 0.05 0.24 0.79
Sums of squared loadings 3.9 2.9 2.9 2.1
% variance 20.4 15.3 15.1 11.0
The Norwegian Ambulance Stress Survey (NASS) Non-Emergency tasks Serious operational tasks Physical demands
Hide feelings towards patients and relatives   0.83 0.13 0.16
Not being able to express own opinion to patients or relatives   0.82 0.08 0.19
Medical responsibility in the vehicle   0.63 0.34 0.17
Negative attitude from relatives about the job you are doing   0.60 0.29 0.07
The cumulative effect of frequently driving chronically ill patients   0.54 0.25 0.24
Take care of seriously injured and dying patients   0.52 0.57 0.15
Uncertainty about what you will meet on the scene of accident   0.51 0.60 0.11
Incident with seriously injured friend or people you know   0.19 0.73 0.12
Incident with seriously injured children   0.09 0.83 0.15
Deal with acting-out and threatening patients   0.18 0.70 0.22
Driving under difficult conditions   0.34 0.62 0.18
Heavy lifting   0.22 0.12 0.91
Carrying out the work under difficult conditions   0.20 0.22 0.91
Working in bent or twisted positions   0.18 0.25 0.87
Sums of squared loadings   3.3 3.2 2.7
% variance   23.3 22.7 19.3
  1. Note. The factor loadings of the items considered to constitute the respective factors are emphasized in bold.
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