| Demographic variables | Category | Number of people | Percentage (%) | Demographic variables | Category | Number of people | Percentage (%) |
| Gender | Male | 645 | 41 | Nature of the department | State-owned enterprises | 299 | 19 |
| Female | 908 | 57.5 | Private enterprise | 610 | 38.8 | ||
| Absence | 21 | 1.3 | Joint ventures | 240 | 15.2 | ||
| Age | Less than 25 years | 708 | 45 | Government agency | 45 | 2.9 | |
| 26 to 30 years | 509 | 32.3 | Public institution | 121 | 7.7 | ||
| 31 to 35 years | 177 | 11.2 | Other | 234 | 14.9 | ||
| 36 to 40 years | 95 | 6 | Absence | 25 | 1.6 | ||
| 41 to 45 years | 54 | 3.4 | Post of duty | Top management | 76 | 4.8 | |
| 46 to 50 years | 13 | 0.8 | Middle management | 245 | 15.6 | ||
| More than 50 years | 12 | 0.8 | Lower management | 306 | 19.4 | ||
| Absence | 6 | 0.4 | General staff | 802 | 51 | ||
| Years of working | Less than 1 year | 187 | 11.9 | Other staff | 129 | 8.2 | |
| 1 to 2 years | 367 | 23.3 | Absence | 16 | 1 | ||
| 3 to 5 years | 505 | 32.1 | Technical titles | Senior professional titles | 87 | 5.5 | |
| 6 to 10 years | 300 | 19.1 | Middle professional titles | 318 | 20.2 | ||
| 11 to 15 years | 140 | 8.9 | Junior professional titles | 378 | 24 | ||
| More than 15 years | 61 | 3.9 | Other | 740 | 47 | ||
| Absence | 14 | 0.9 | Absence | 51 | 3.2 | ||
| Number of people in your department | 1 to 5 people | 229 | 14.5 | ||||
| Educational background | Below senior high school | 136 | 8.6 | 6 to 10 people | 332 | 21.1 | |
| Senior high school or technical secondary school | 444 | 28.2 | 11 to 15 people | 216 | 13.7 | ||
| Junior college | 512 | 32.5 | 16 to 20 people | 144 | 9.1 | ||
| Undergraduate course | 415 | 26.4 | 21 to 30 people | 166 | 10.5 | ||
| Master or doctor | 62 | 3.9 | More than 30 people | 471 | 29.9 | ||
| Absence | 5 | 0.3 | Absence | 16 | 1 |