Table 2.
Ratings of physical and psychological demands.
| Variables | Respondents (%) |
Mean ratings (SD) | |||
|---|---|---|---|---|---|
| Strongly agree | Agree | Disagree | Strongly disagree | ||
| Physical job demands | |||||
| Doing lots of physical efforts (q1) | 47.9 | 27.4 | 20.1 | 4.6 | 3.18 (0.91) |
| Doing rapid and continuous physical activity (q2) | 46.3 | 31.7 | 17.1 | 4.9 | 3.19 (0.89) |
| Frequent moving/lifting heavy loads (q3) | 14.9 | 31.7 | 33.8 | 19.5 | 2.42 (0.96) |
| Working with body in awkward positions (q4) | 39.0 | 40.2 | 14.3 | 6.4 | 3.11 (0.88) |
| Lifting or lowering objects to/from floor (q5) | 26.2 | 20.7 | 32.3 | 20.7 | 2.52 (1.09) |
| Lifting or lowering objects to/from shoulder height (q6) | 26.5 | 22.0 | 26.8 | 24.7 | 2.50 (1.12) |
| Pushing/pulling heavy objects (q7) | 16.5 | 29.3 | 25.9 | 28.4 | 2.33 (0.98) |
| Standing in one place/static position (>30 min) (q8) | 27.7 | 26.2 | 25.9 | 20.1 | 2.61 (0.96) |
| Performing repetitive motions with hands/wrists (q9) | 70.4 | 18.3 | 8.2 | 3.0 | 3.56 (0.77) |
| Applying pressure with hands/fingers (q10) | 67.4 | 21.0 | 9.1 | 2.4 | 3.53 (0.76) |
| Psychological job demands | |||||
| Working very hard (q11) | 49.7 | 29.3 | 18.3 | 2.7 | 3.25 (0.85) |
| Working very fast (q12) | 51.8 | 30.5 | 15.5 | 2.1 | 3.32 (0.81) |
| Doing an excessive amount of work (q13) | 46.3 | 41.2 | 11.3 | 1.2 | 3.33 (0.72) |
| Intense concentration on the task (q14) | 47.3 | 42.1 | 8.8 | 1.8 | 3.35 (2.96) |
| Not having enough time to get the job done (q15) | 30.5 | 39.9 | 25.3 | 4.3 | 2.96 (0.85) |
| Conflicting demands that others make (q16) | 12.2 | 33.5 | 39.0 | 15.2 | 2.42 (0.89) |
| Task interruptions by other people (q17) | 14.3 | 44.5 | 29.0 | 12.2 | 2.61 (0.87) |
| Waiting on work from other people or departments (q18) | 34.1 | 36.9 | 24.7 | 4.3 | 3.01 (0.87) |