Table 4. Internal consistency, one-year test-retest reliability, and factor based validity of the BJSQ and New BJSQ scales.
| Scales † | n | Cronbach’s alpha coefficient |
Proportion explained by the first factor (%) |
One-year test-retest (Pearson’s correlation coefficient) n = 373–389 |
|---|---|---|---|---|
| Job demands | ||||
| 1. Quantitative job overload | 1,621 | 0.770 | 69.0 | 0.655*** |
| 2. Qualitative job overload | 1,617 | 0.741 | 66.3 | 0.716*** |
| 3. Physical demands | – | NC | – | 0.699*** |
| 4. Interpersonal conflict | 1,610 | 0.690 | 61.8 | 0.563*** |
| 5. Poor physical environment | – | NC | – | 0.637*** |
| 6. Emotional demands | 1,624 | 0.860 | 78.2 | 0.628*** |
| 7. Role conflict | 1,623 | 0.791 | 70.6 | 0.633*** |
| 8. Work-self balance (negative) | 1,624 | 0.885 | 89.7 | 0.616*** |
| Job resources: task-level | ||||
| 9. Job control | 1,618 | 0.717 | 63.9 | 0.653*** |
| 10. Suitable jobs | – | NC | – | 0.659*** |
| 11. Skill utilization | – | NC | – | 0.428*** |
| 12. Meaningfulness of work | 1,624 | 0.813 | 74.0 | 0.720*** |
| 13. Role clarity | 1,626 | 0.646 | 59.4 | 0.426*** |
| 14. Career opportunity | 1,618 | 0.848 | 76.8 | 0.691*** |
| 15. Novelty | 1,621 | 0.781 | 69.5 | 0.575*** |
| 16. Predictability | 1,625 | 0.691 | 62.0 | 0.424*** |
| Job resources: workgroup-level | ||||
| 17. Supervisor support | 1,612 | 0.808 | 72.3 | 0.611*** |
| 18. Coworker support | 1,615 | 0.781 | 69.6 | 0.541*** |
| 19. [Support from family and friends] | 1,619 | 0.832 | 74.9 | 0.599*** |
| 20. Monetary/status reward | 1,622 | 0.728 | 78.8 | 0.633*** |
| 21. Esteem reward | 1,618 | 0.706 | 77.4 | 0.613*** |
| 22. Job security | 1,620 | 0.639 | 58.1 | 0.620*** |
| 23. Leadership | 1,607 | 0.787 | 70.6 | 0.654*** |
| 24. Interactional justice | 1,616 | 0.905 | 84.3 | 0.566*** |
| 25. Workplace where people compliment each other | 1,624 | 0.905 | 84.2 | 0.595*** |
| 26. Workplace where mistakes are acceptable | 1,619 | 0.774 | 81.6 | 0.588*** |
| 27. Collective efficacy | 1,616 | 0.913 | 85.2 | 0.524*** |
| Job resources: organizational-level | ||||
| 28. Trust with management | 1,618 | 0.851 | 77.2 | 0.693*** |
| 29. Preparedness for change | 1,615 | 0.771 | 68.7 | 0.555*** |
| 30. Procedural justice | 1,611 | 0.792 | 70.7 | 0.584*** |
| 31. Respect for individuals | 1,609 | 0.845 | 76.4 | 0.616*** |
| 32. Fair personnel evaluation | 1,606 | 0.859 | 78.2 | 0.626*** |
| 33. Diversity | 1,611 | 0.685 | 61.5 | 0.654*** |
| 34. Career development | 1,609 | 0.889 | 69.6 | 0.733*** |
| 35. Work-self balance (positive) | 1,623 | 0.796 | 83.1 | 0.625*** |
| Outcomes | ||||
| 36. Vigor | 1,616 | 0.899 | 83.3 | 0.614*** |
| 37. Anger-irritability | 1,618 | 0.910 | 84.7 | 0.547*** |
| 38. Fatigue | 1,624 | 0.891 | 82.2 | 0.541*** |
| 39. Anxiety | 1,623 | 0.773 | 69.1 | 0.603*** |
| 40. Depression | 1,618 | 0.885 | 63.9 | 0.630*** |
| Psychological stress reaction (total) | 1,590 | 0.929 | 46.4 | 0.692*** |
| 41. Physical stress reaction | 1,610 | 0.839 | 39.4 | 0.689*** |
| 42. Job satisfaction | – | NC | – | 0.642*** |
| 43. [Satisfaction with family life] | – | NC | – | 0.580*** |
| 44. Workplace harassment | 1,624 | 0.707 | 78.7 | 0.478*** |
| 45. Workplace social capital | 1,626 | 0.852 | 77.2 | 0.620*** |
| 46. Work engagement | 1,622 | 0.752 | 80.2 | 0.664*** |
| 47. Performance of a duty | 1,617 | 0.781 | 70.2 | 0.480*** |
| 48. Realization of creativity | 1,620 | 0.869 | 79.3 | 0.603*** |
| 49. Active learning | 1,620 | 0.839 | 75.7 | 0.547*** |
*** p<0.001. NC: Not calculated because of one-item scale. † [ ] indicates non-work environment or outcome.