Measures used, internal consistency, and examples
| Construct | Measure | Items | α* | Example item |
| Unit level workload | Staffing/resource adequacy scale†104 | 4 | 0.86 | To what extent is there enough staff to get the work done? |
| Job level workload (general) | Job demands scale51 | 3 | 0.66 | To what extent does your job require a great deal of work to be done? |
| Job level workload (specific) | Monitoring demands and production responsibility subscales105 | 8‡ | 0.82 | To what extent does your work need your undivided attention? (monitoring demands). To what extent could a lapse of attention cause an adverse outcome to a patient? (production responsibility) |
| Task level workload (internal) | Medication administration concentration and effort53 54 | 2 | 0.70 | To what extent does the overall medication administration process require concentration, starting with when medications are retrieved and ending with administration and documentation? |
| Task level workload (external) | Medication administration interruptions, divided attention and rushing53 54 | 3 | 0.67 | To what extent are there interruptions during the overall medication administration process, starting with when medications are retrieved and ending with administration and documentation? |
| Job dissatisfaction | Job satisfaction/dissatisfaction scale106 | 3 | 0.83 | In general, to what extent do you not like your job? |
| Burnout | Emotional exhaustion subscale of burnout inventory107 | 4 | 0.86 | To what extent do you feel emotionally drained from your work? |
| Medication error | Perceived likelihood of medication error | 1 | – | In actual practice, how likely is an error to occur through the overall medication administration process, starting with when medications are retrieved and ending with administration and documentation? |