Table 1.

Descriptive statistics (demographic variables).

Variables	%
Sector
service	81
production	19
Gender
female	52
male	43
Age
<35 years	26
35–50 years	55
>50 years	16
Educational level
No education or compulsory	14
Professional training or high school	37
University degree	46
Occupational category
Unqualified manual work	10
Technician or administrative	46
Highly qualified professional	24
Manager
Type of contract
temporary	30
permanent	62
Seniority in the position
<5 years	40
>5 years	53