Men | Women | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Self-employed (N = 800) | Paid employees (N = 5552) | Difference in means | Self-employed (M = 499) | Paid employees (N = 6436) | Difference in means | |||||
Mean | Std. dev. | Mean | Std. dev. | Mean | Std. dev. | Mean | Std. dev. | |||
Monthly gross earnings (in €) | 4627 | 4798 | 3461 | 3361 | 1166 | 2520 | 2130 | 2168 | 1990 | 352 |
Hourly gross earnings (in €) | 23.3 | 22.7 | 18.8 | 17.7 | 4.45 | 15.2 | 11.5 | 14.7 | 13.9 | 0.45 |
Working hours per week | 48.0 | 15.7 | 42.5 | 9.27 | 5.56 | 39.6 | 16.9 | 33.5 | 11.3 | 6.10 |
Professional qualification | ||||||||||
University (of applied sciences) degree (dummy) | 0.44 | 0.50 | 0.22 | 0.42 | 0.22 | 0.41 | 0.49 | 0.20 | 0.40 | 0.21 |
Master craftsmen/state certified | 0.19 | 0.39 | 0.12 | 0.32 | 0.07 | 0.07 | 0.26 | 0.05 | 0.22 | 0.02 |
technician/business administrator, etc. (dummy) | ||||||||||
Vocational training (dummy) | 0.32 | 0.46 | 0.61 | 0.49 | − 0.29 | 0.46 | 0.50 | 0.67 | 0.47 | − 0.21 |
No vocational degree (dummy) | 0.06 | 0.24 | 0.06 | 0.23 | 0.01 | 0.06 | 0.24 | 0.08 | 0.27 | − 0.02 |
Working experience (in years) | 28.5 | 11.7 | 24.3 | 11.7 | 4.21 | 26.0 | 11.8 | 25.4 | 11.7 | 0.65 |
Working intermissions (in years) | 0.87 | 1.93 | 0.95 | 1.79 | − 0.08 | 2.58 | 3.89 | 2.91 | 4.10 | − 0.33 |
Tenure at current job (in years) | 13.8 | 10.3 | 13.4 | 11.2 | 0.43 | 10.6 | 8.82 | 12.4 | 10.5 | − 1.82 |
Age (in years) | 50.3 | 10.9 | 44.8 | 10.8 | 5.57 | 47.9 | 10.2 | 45.6 | 10.6 | 2.34 |
Married (dummy) | 0.61 | 0.49 | 0.52 | 0.50 | 0.10 | 0.53 | 0.50 | 0.50 | 0.50 | 0.03 |
Migration background (dummy) | 0.10 | 0.30 | 0.10 | 0.30 | 0.00 | 0.10 | 0.30 | 0.09 | 0.29 | 0.01 |
Self-employed parent (dummy) | 0.24 | 0.43 | 0.12 | 0.32 | 0.13 | 0.24 | 0.43 | 0.13 | 0.34 | 0.11 |
Flexibility (dummy) | 0.56 | 0.50 | 0.58 | 0.49 | − 0.02 | 0.57 | 0.50 | 0.62 | 0.49 | − 0.05 |
Work outcome not prescribed in detail (dummy) | 0.56 | 0.50 | 0.48 | 0.50 | 0.08 | 0.59 | 0.49 | 0.54 | 0.50 | 0.05 |
Free how to perform work (dummy) | 0.67 | 0.47 | 0.48 | 0.50 | 0.19 | 0.71 | 0.45 | 0.44 | 0.50 | 0.27 |
Non-repetitive work (dummy) | 0.68 | 0.47 | 0.57 | 0.50 | 0.11 | 0.58 | 0.49 | 0.43 | 0.50 | 0.15 |
New tasks (dummy) | 0.57 | 0.50 | 0.44 | 0.50 | 0.12 | 0.49 | 0.50 | 0.33 | 0.47 | 0.16 |
Trying new things (dummy) | 0.37 | 0.48 | 0.29 | 0.46 | 0.08 | 0.38 | 0.49 | 0.24 | 0.43 | 0.14 |
Exposure to risk (dummy) | 0.53 | 0.50 | 0.49 | 0.50 | 0.04 | 0.33 | 0.47 | 0.28 | 0.45 | 0.06 |
Strained by risk (dummy) | 0.10 | 0.30 | 0.08 | 0.28 | 0.02 | 0.06 | 0.23 | 0.05 | 0.22 | 0.01 |
Pressure (dummy) | 0.58 | 0.49 | 0.56 | 0.50 | 0.02 | 0.48 | 0.50 | 0.51 | 0.50 | − 0.03 |
Overstrain (dummy) | 0.59 | 0.49 | 0.54 | 0.50 | 0.05 | 0.53 | 0.50 | 0.53 | 0.50 | − 0.01 |