| Control | Social support | Psychological demand | Physical demand | Noise | |||||
---|---|---|---|---|---|---|---|---|---|---|
Job category | Sm* | Non** | Sm | Non | Sm | Non | Sm | Non | Sm | Non |
Managers | 27.5 | 26.9(0.60) | 6.0 | 6.7(0.71) | 12.8 | 13.7(0.25) | 2.4 | 2.1(0.72) | 2.6 | 2.1(0.00) |
Trades | 24.2 | 24.8(0.72) | 5.8 | 5.8(0.58) | 13.2 | 12.6(0.01) | 3.0 | 2.9(0.01) | 3.4 | 2.9(0.00) |
Semi-skilled | 22.2 | 23.3(0.05) | 5.4 | 5.9(0.005) | 13.2 | 12.9(0.35) | 2.7 | 2.7(0.60) | 3.2 | 2.8(0.00) |
Unskilled | 20.7 | 22.4(0.01) | 5.2 | 6.0(0.00) | 13.3 | 12.4(0.01) | 3.0 | 2.7(0.22) | 3.3 | 2.4(0.00) |