Table 2. Psychometric characteristics of the scales and the hypothesized higher order factors.
| Hypothesized Factor | Factor loading | Scale (number of items) | Mean | St.Dev. | Missing pct. (scale) | Floor pct. | Ceiling pct. | Cronbach’s alpha |
|---|---|---|---|---|---|---|---|---|
| Demands | 0.66 | Quantitative Demands (4)* | 45.40 | 17.84 | 0.00 | 1.00 | 0.30 | 0.83 |
| 0.56 | Work Pace (3)* | 70.20 | 19.04 | 0.07 | 0.20 | 10.10 | 0.87 | |
| 0.53 | Emotional Demands (4)* | 53.54 | 18.33 | 0.00 | 0.70 | 0.60 | 0.80 | |
| 0.58 | Role Conflicts (4)* | 34.88 | 16.63 | 0.30 | 3.00 | 0.00 | 0.65 | |
| 0.71 | Work Family Conflict (4)* | 32.45 | 26.68 | 0.22 | 16.90 | 1.90 | 0.83 | |
| Task Resources | 0.53 | Influence (4)* | 46.06 | 17.69 | 0.00 | 0.60 | 0.30 | 0.74 |
| 0.79 | Possibilities for Development *(4) | 72.22 | 15.50 | 0.00 | 0.10 | 5.10 | 0.73 | |
| 0.55 | Variation (1)* | 70.81 | 21.13 | 0.30 | 1.10 | 20.20 | – | |
| 0.53 | Role Clarity (3)* | 79.97 | 14.37 | 0.00 | 0.10 | 15.20 | 0.72 | |
| Interpersonal Resources | 0.74 | Social Support Colleagues (3)* | 68.77 | 16.04 | 0.22 | 0.10 | 1.90 | 0.71 |
| 0.82 | Social Community at Work (3)* | 79.73 | 14.18 | 0.07 | 0.10 | 17.30 | 0.80 | |
| 0.56 | Horizontal Trust (3)* | 73.12 | 17.99 | 1.93 | 0.00 | 11.40 | 0.78 | |
| Leadership Resources | 0.81 | Quality Leadership (4) * | 62.59 | 22.05 | 1.12 | 1.60 | 5.90 | 0.90 |
| 0.75 | Social Support Superior (3)* | 68.46 | 20.26 | 0.74 | 0.70 | 3.60 | 0.82 | |
| 0.87 | Recognition (3)* | 67.67 | 21.10 | 0.45 | 0.70 | 8.70 | 0.85 | |
| 0.81 | Predictability (2)* | 65.26 | 19.44 | 0.15 | 0.70 | 6.40 | 0.71 | |
| 0.88 | Organizational Justice (4) * | 61.59 | 18.25 | 0.67 | 0.10 | 2.40 | 0.84 | |
| Vertical Trust (4)* | 72.22 | 17.33 | 0.37 | 0.10 | 6.90 | 0.78 | ||
| Strain Symptoms | 0.91 | Stress (4)* | 34.29 | 23.90 | 0.22 | 8.80 | 1.30 | 0.91 |
| 0.92 | Burnout (4)* | 37.87 | 23.66 | 0.15 | 5.10 | 1.80 | 0.91 | |
| 0.74 | Sleep (4)* | 30.35 | 24.73 | 0.15 | 15.80 | 1.30 | 0.90 | |
| Positive Work Attitudes | 0.84 | Job Satisfaction (4)* | 69.04 | 17.81 | 0.22 | 0.30 | 5.70 | 0.84 |
| 0.83 | Commitment Work (3)* | 71.00 | 19.74 | 0.22 | 0.20 | 10.90 | 0.72 | |
| 0.71 | Work Engagement (9)** (Scale 0–6) |
4.28 | 0.93 | 0.67 | 0.07 | 2.10 | 0.94 | |
| Health-related work ability | 0.66 | General Health (1)* | 62.19 | 21.04 | 1.64 | 1.00 | 9.70 | – |
| 0.74 | Work ability score (1)*** (Scale 0–10) |
8.27 | 1.48 | 0.22 | 0.07 | 20.56 | – | |
| 0.44 | Prospective health-related work ability (1) **** | 91.64 | 21.97 | 0.37 | 2.69 | 85.97 | – | |
| Meaning in Work (3)* |
80.69 | 15.51 | 0.00 | 0.10 | 20.20 | 0.77 |
* COPSOQ scales (theoretical range 0–100)
** Utrecht Work Engagement Scale (theoretical range 0–6)
*** Work ability score (single item scale 0–10)
**** Proprietary item (theoretical range 0–100)