Table 3. Means, SD, internal consistencies (Cronbach’s alpha on the diagonal) and correlations between the variables in Study 2, N=1,957.
| Variables | Mean | SD | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Age | 45.26 | 12.49 | (na.) | |||||||||||||||||
| 2 | Gender a) | 1.49 | 0.50 | –0.01 | (na.) | ||||||||||||||||
| 3 | Educational attainment b) | 2.14 | 0.86 | –0.11*** | –0.20*** | (na.) | |||||||||||||||
| 4 | Quantitative demands | 7.61 | 2.28 | –0.18*** | –0.16*** | 0.09*** | (0.81) | ||||||||||||||
| 5 | Qualitative demands | 7.85 | 2.12 | –0.02 | –0.22*** | 0.16*** | 0.61*** | (0.75) | |||||||||||||
| 6 | Job control | 7.99 | 2.04 | 0.15*** | –0.15*** | 0.08*** | –0.09*** | –0.03 | (0.73) | ||||||||||||
| 7 | Skill utilization | 2.86 | 0.86 | 0.04 | –0.15*** | 0.12*** | 0.10*** | 0.25*** | 0.17*** | (na.) | |||||||||||
| 8 | Workplace support | 13.86 | 4.04 | –0.06* | 0.00 | 0.06* | 0.02 | 0.04 | 0.23*** | 0.13*** | (0.87) | ||||||||||
| 9 | Opportunity for development | 8.00 | 2.34 | 0.01 | –0.08*** | 0.16*** | 0.21*** | 0.37*** | 0.29*** | 0.42*** | 0.36*** | (0.89) | |||||||||
| 10 | Welfare system | 4.73 | 1.87 | 0.04 | 0.02 | 0.10*** | –0.12*** | –0.03 | 0.19*** | 0.06** | 0.27*** | 0.24*** | (0.84) | ||||||||
| 11 | T1 Anger | 6.54 | 2.47 | –0.22*** | –0.01 | –0.03 | 0.28*** | 0.14*** | –0.18*** | –0.11*** | –0.24*** | –0.18*** | –0.17*** | (0.92) | |||||||
| 12 | T1 Fatigue | 6.66 | 2.63 | –0.28*** | 0.03 | –0.01 | 0.44*** | 0.30*** | –0.19*** | –0.04 | –0.14*** | –0.05* | –0.17*** | 0.59*** | (0.90) | ||||||
| 13 | T1 Anxiety | 6.07 | 2.35 | –0.21*** | –0.06** | 0.01 | 0.42*** | 0.35*** | –0.17*** | –0.02 | –0.21*** | –0.03 | –0.18*** | 0.58*** | 0.66*** | (0.80) | |||||
| 14 | T1 Depression | 10.62 | 4.39 | –0.25*** | –0.02 | 0.01 | 0.28*** | 0.17*** | –0.17*** | –0.10*** | –0.30*** | –0.19*** | –0.19*** | 0.62*** | 0.64*** | 0.75*** | (0.92) | ||||
| 15 | T2 Anger | 6.44 | 2.45 | –0.26*** | –0.02 | –0.03 | 0.23*** | 0.11*** | –0.11*** | –0.06* | –0.19*** | –0.14*** | –0.15*** | 0.55*** | 0.41*** | 0.39*** | 0.43*** | (0.92) | |||
| 16 | T2 Fatigue | 6.49 | 2.66 | –0.30*** | 0.04 | 0.00 | 0.36*** | 0.22*** | –0.18*** | –0.02 | –0.13*** | –0.06** | –0.17*** | 0.43*** | 0.59*** | 0.45*** | 0.45*** | 0.60*** | (0.91) | ||
| 17 | T2 Anxiety | 5.99 | 2.39 | –0.21*** | –0.07** | 0.04 | 0.34*** | 0.29*** | –0.14*** | 0.00 | –0.17*** | –0.02 | –0.13*** | 0.43*** | 0.47*** | 0.58*** | 0.53*** | 0.57*** | 0.67*** | (0.81) | |
| 18 | T2 Depression | 10.66 | 4.43 | –0.26*** | –0.02 | 0.05* | 0.24*** | 0.15*** | –0.14*** | –0.05 | –0.22*** | –0.12*** | –0.14*** | 0.44*** | 0.47*** | 0.52*** | 0.61*** | 0.60*** | 0.65*** | 0.78*** | (0.92) |
* p<0.05; ** p<0.01; *** p<0.001. a) Gender was coded as 1 (Men) and 2 (Women), b) Educational attainment was coded as 1 (High school or below), 2 (Junior college) and 3 (College or above).