Selected O*NET exposure variables, internal consistency of composite scores in the job–exposure matrix and Spearman correlation coefficients between socioeconomic status and quintiles of selected exposure scores in O*NET job–exposure matrix: 114 jobs in two private hospitals, Massachusetts, 2002
| Exposure | O*NET variable(s) | Cronbach’s α | Spearman’s r coefficient | p Value |
|---|---|---|---|---|
| Psychological demands | Abilityim20, abilityim21, abilitylv20, abilitylv21, values09 | 0.79 | 0.23 | 0.003 |
| Decision latitude | Values07, values15, values16, values19, values25, values27 | 0.92 | 0.69 | <0.001 |
| Job strain ratio | Ratio of psychological demands by decision latitude | –0.51 | <0.001 | |
| Rewards | Values13, values20, values10, values18, values22 | 0.84 | 0.63 | <0.001 |
| Coworkers support | Values14 | 0.31 | 0.001 | |
| Supervisor support | Values23, values24 | 0.76 | –0.45 | 0.001 |
| Noise level | Context11 | –0.19 | 0.02 | |
| Uncomfortable temperature extremes | Context12 | –0.09 | 0.25 | |
| Hazardous equipment | Context21 | –0.07 | 0.35 | |
| Time bending or twisting the body | Context30 | –0.16 | 0.04 | |
| Time kneeling, crouching, stooping or crawling | Context27 | –0.13 | 0.10 | |
| Capacity to exert force | Abilitylv32, abilitylv33, abilitylv34, abilitylv35, abilitylv36, abilitylv37, abilitylv38 | 0.96 | –0.23 | 0.004 |
| Pause frequency | Values09 | –0.18 | 0.02 |