| Variables | Frequency | Percentage |
| Gender |
|
|
| Male | 0.0 | 0.0% |
| Female | 70 | 100.0% |
| Total | 70 | 100% |
| Age |
|
|
| From 20 to 30 years old | 7 | 10.0% |
| From 31 to 40 years old | 39 | 55.7% |
| From 41 to 50 years old | 19 | 27.1% |
| Older than 50 years old | 5 | 7.1% |
| Total | 70 | 100.0% |
| Job position |
|
|
| High management | 17 | 24.3% |
| Middle management | 32 | 45.7% |
| Low management | 1 | 1.4% |
| Supervisory and technical jobs | 18 | 25.7% |
| Other | 2 | 2.9% |
| Total | 70 | 100.0% |
| Years of experience in the practical life |
|
|
| From 5 to 10 years | 15 | 21.4% |
| From 10 to 15 years | 11 | 15.7% |
| From 15 to 20 years | 20 | 28.6% |
| More than 20 years | 24 | 34.3% |
| Total | 70 | 100.0% |
| Years of experience in T & D |
|
|
| None | 33 | 47.1% |
| From 1 to 3 years | 7 | 10.0% |
| From 3 to 5 years | 11 | 15.7% |
| From 5 to 10 years | 17 | 24.3% |
| More than 10 years | 2 | 2.9% |
| Total | 70 | 100.0% |
| Educational level |
|
|
| Matriculation degree | 5 | 7.1% |
| Diploma form a community college | 3 | 4.3% |
| University degree | 60 | 85.7% |
| Master degree | 1 | 1.4% |
| Doctorate degree or its equivalents | 1 | 1.4% |
| Total | 70 | 100.0% |