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. 2021 Nov 16;16:50. doi: 10.1186/s12995-021-00331-1

Table 2.

Descriptive statistics and reliability of scales

Scale Positive value No. of items N Cronbach‘s α Intra-class-correlation ICC Scale mean Std. deviation Floor effect in % Ceiling effect in % Missing values in %
Quantitative Demands low 5 253,437 0.81 0.46 55.4 19.0 0.4 0.9 1.5
Emotional Demands low 2 254,517 0.74 0.58 47.7 27.9 9.8 6.6 1.1
Hiding Emotions low 2 254,241 0.80 0.66 44.4 26.4 11.1 4.2 1.2
Work Privacy Conflicts low 4 243,089 0.92 0.74 39.0 28.0 13.4 3.7 5.5
Dissolution low 2 151,356 0.60 0.43 32.9 26.1 21.0 1.9 6.1
Influence at Work high 3 254,551 0.75 0.51 43.7 22.9 5.4 1.0 1.0
Degrees of Freedom (Breaks / Holidays) high 2 248,582 0.53 0.36 63.1 25.3 3.1 9.7 3.4
Possibilities for Development high 3 255,236 0.78 0.54 63.1 22.0 1.3 5.8 0.8
Meaning of Work high 2 255,425 0.85 0.74 74.4 21.5 0.9 25.8 0.7
Commitment to Workplace high 2 255,276 0.79 0.65 59.2 25.7 3.3 11.9 0.8
Predictability of Work high 2 253,035 0.76 0.61 52.3 22.0 2.7 3.3 1.6
Role Clarity high 3 252,654 0.81 0.59 71.3 18.6 0.4 10.6 1.8
Role Conflicts low 3 251,992 0.82 0.60 45.0 22.7 4.6 2.0 2.0
Quality of Leadership high 4 248,729 0.91 0.71 52.9 25.4 4.3 4.5 3.3
Support at Work high 4 252,017 0.82 0.54 69.4 21.2 0.3 11.6 2.0
Feedback high 2 251,768 0.58 0.41 44.1 22.4 5.5 1.9 2.1
Quantity of Social Relations high 1 249,808 57.4 28.1 7.9 14.8 2.9
Sense of Community high 2 251,385 0.84 0.72 77.0 18.6 0.5 23.9 2.3
Unfair Treatment low 1 249,487 21.3 25.0 48.2 1.2 3.0
Trust and Justice high 4 242,664 0.81 0.52 60.5 18.5 0.6 2.6 5.7
Recognition high 1 148,435 48.5 28.3 12.9 8.0 7.9
Work Environment / Phys. Demands low 6 172,913 0.84 0.47 34.6 24.0 6.6 0.4 6.5
Job Insecurity low 3 246,112 0.74 0.48 28.2 24.0 21.7 1.2 4.3
Insecurity over Working Conditions low 3 147,998 0.77 0.52 28.6 24.8 20.5 1.7 8.2
Intention to leave Profession / Job low 2 247,774 0.80 0.67 20.0 23.3 24.5 0.8 3.7
Job Satisfaction high 7 248,837 0.82 0.40 63.1 16.9 0.1 1.6 3.3
Work Engagement high 3 148,136 0.86 0.67 63.4 19.9 0.5 5.8 8.1
General Health high 1 246,704 69.8 19.8 0.3 6.1 4.1
Burnout Symptoms low 3 249,133 0.84 0.64 48.5 21.3 2.6 1.2 3.1
Presenteeism low 1 241,957 41.9 26.1 14.7 3.4 5.9
Inability to Relax low 1 147,739 45.8 28.4 13.4 6.6 8.4