Table 4. KFZA factor-level comparison of PrAs from our study (n = 550; year 2014) and PrAs from Nolting et al. (n = 324; year 2000).
| Work aspects | KFZA factor | Our study Mean score (PrAs) |
95% CI | PrAs’ results from 2000 Mean score (PrAs; Nolting et al.) |
Cohen´s d | P-value |
|---|---|---|---|---|---|---|
| Job content1 | Versatility | 3.6 | 3.58–3.70 | 3.6 | 0.05 | 0.238 |
| Completeness of task | 3.5 | 3.41–3.57 | 3.2 | 0.32 | < 0.001 | |
| Resources1 | Scope of action | 3.4 | 3.37–3.49 | 3.4 | 0.01 | 0.765 |
| Social support | 4.0 | 3.98–4.12 | 3.9 | 0.19 | < 0.001 | |
| Cooperation | 3.6 | 3.53–3.66 | 3.5 | 0.13 | 0.006 | |
| Stressors2 | Qualitative work demands | 2.2 | 2.14–2.29 | 2.0 | 0.25 | < 0.001 |
| Quantitative work demands | 2.9 | 2.83–3.01 | 2.8 | 0.12 | 0.007 | |
| Work disruptions | 2.7 | 2.67–2.81 | 2.5 | 0.29 | < 0.001 | |
| Workplace environment | 2.2 | 2.13–2.30 | 2.0 | 0.21 | < 0.001 | |
| Organizational culture1 | Information and participation | 3.6 | 3.57–3.73 | 3.5 | 0.16 | 0.002 |
| Benefits | 2.9* | 2.77–2.94 | 2.2* | 0.62 | < 0.001 |
1 High scores (>3) are considered positive
2 high scores (>3) are considered negative
* critical values ** based on a one-sided t-test comparing mean values of PrAs and Nolting et al. on a 95% significance level.