Table 2.

Characteristics of the sample.

	Frequency absolute	Percentage
Sector
Construction	55	25.46
Industrial	69	31.94
Services	92	4.6
Number of employees
1–5	140	64.81
6–15	52	24.07
16–24	15	6.94
>25	9	4.18
Gender
Female	31	14.35
Male	185	85.65
Level of study
PhD	1	0.46
Master’s degree	15	6.94
University studies	192	88.88
Secondary education	8	3.72
Seniority in the company
<1 year	5	2.31
1–5 year	162	75
>5 year	49	22.69
Age
Minimum	28.75
Maximum	60.09
Mean	42.86
Standard deviation	8.8