Table 2. Means, standard deviations, correlations, and internal consistencies (Cronbach’s α coefficients on the diagonal) of the variables (N=1,019).
| Variables | Mean | SD | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 Quantitative job demands (T1) | 2.57 | 0.77 | (0.84) | |||||||||
| 2 Qualitative job demands (T1) | 2.63 | 0.69 | 0.72** | (0.78) | ||||||||
| 3 Job resources (T1) | 2.49 | 0.53 | 0.09** | 0.18** | (0.88) | |||||||
| 4 Workplace support (T1) | 2.35 | 0.66 | 0.05 | 0.08** | 0.88** | (0.91) | ||||||
| 5 Job control (T1) | 2.61 | 0.67 | –0.06+ | –0.03 | 0.68** | 0.37** | (0.78) | |||||
| 6 Meaning of work (T1) | 2.65 | 0.71 | 0.24** | 0.40** | 0.71** | 0.39** | 0.39** | (0.89) | ||||
| 7 Boredom at work standardized residual score (T1/T2) | 0.00 | 1.00 | –0.09** | -0.12** | –0.04 | 0.01 | –0.02 | –0.10** | – | |||
| 8 Work engagement standardized residual score (T1/T2) | 0.00 | 1.00 | –0.04 | 0.02 | 0.11** | 0.08* | 0.06+ | 0.13** | –0.12** | – | ||
| 9 Psychological distress standardized residual score (T1/T3) | 0.00 | 1.00 | 0.04 | 0.03 | –0.09** | –0.06+ | –0.11** | –0.06+ | 0.12** | –0.07* | – | |
| 10 Turnover intention standardized residual score (T1/T3) | 0.00 | 1.00 | 0.08* | 0.03 | –0.10** | –0.06+ | –0.12** | –0.07* | 0.07* | –0.13** | 0.20** | – |
**p<0.01, *p<0.05, +p<0.1. Cronbach’s α coefficients are displayed in parentheses.
T1: fourth wave; T2: fifth wave; T3: sixth wave; SD: standard deviation.