Table 4. Results of triple clustering according to occupational characteristics (k-mean/standard deviation).
| Characteristics | Three clusters | |||
|---|---|---|---|---|
| A3 | B3 | C3 | ||
| Occupational hazard factors | ||||
| Traditional risk exposure | 0.14 (0.77) | 0.09 (0.95) | −0.35 (1.28) | |
| Ergonomic risk exposure | 0.44 (0.70) | 0.05 (0.87) | −0.79 (1.09) | |
| Sedentary lifestyle | −0.64 (0.97) | 0.59 (0.65) | 0.36 (0.75) | |
| Personal interaction | 0.09 (0.88) | −0.32 (0.96) | 0.23 (1.14) | |
| Working status factors | ||||
| Long working hours | 0.43 (0.60) | −0.73 (1.14) | 0.15 (0.86) | |
| Regularity | −0.22 (0.74) | 0.37 (1.23) | −0.07 (0.94) | |
| Complicated work schedule | 0.23 (0.53) | 0.20 (0.76) | −0.63 (1.48) | |
| Long commuting time | −0.37 (1.00) | 0.53 (0.81) | −0.01 (0.93) | |
| Occupational mentality factors | ||||
| Networks in the workplace | −0.53 (0.50) | 1.01 (1.08) | −0.32 (0.49) | |
| Value of work | −0.14 (0.91) | −0.13 (1.10) | 0.38 (0.92) | |
| Autonomy of work | 0.00 (1.00) | −0.09 (1.00) | 0.12 (0.98) | |
| Emotional aspects | −0.06 (1.02) | −0.07 (0.97) | 0.19 (0.98) | |
| Independence of work | −0.02 (1.01) | 0.01 (1.01) | 0.02 (0.96) | |
| Goal-setting by others | 0.17 (0.81) | 0.27 (0.47) | −0.60 (1.42) | |
| Tight working standards | 0.24 (0.85) | 0.06 (0.94) | −0.47 (1.13) | |
| Challenge level of work | −0.38 (0.95) | 0.24 (0.92) | 0.36 (0.94) | |
| Demands or interruption from others | 0.07 (0.98) | −0.01 (1.01) | −0.11 (1.01) | |
Negative values indicate an ‘agree’ or ‘yes’ response to the question.