From: Using tools to distinguish general and occupation-specific skills
 | Category definition | Full sample | Professionals | Sales, service and administrative | Blue collar |
---|---|---|---|---|---|
Number of tools | Â | 57.7 | 93.6 | 28.3 | 78.4 |
Number of tool families | Â | 13.0 | 18.4 | 8.7 | 16.0 |
Job-specific tools | Number of tools used by 0–2% of other workers | 22.8 | 48.6 | 9.0 | 23.0 |
General tools | Number of tools used by 15+% of other workers | 9.9 | 11.3 | 8.1 | 11.9 |