Impact of R&D&I on the Performance of Spanish Construction Companies

Table 2

Profiles of respondents.

Characteristic	Categorization	Number	%
Profession	Civil engineer	33	32.0
	Road, canal, and port engineers	19	18.4
	Architect	30	29.1
	Economist/financial	5	4.9
	Others (specify)	16	15.5
Age	23–30	12	11.7
	31–40	28	27.2
	41–50	47	45.6
	Over 51	16	15.5
Gender	Male	81	78.6
	Female	22	21.4
Level of education	Graduate degree	34	33.0
	Master’s degree	64	62.1
	Others (specify)	5	4.9
Position in the firm	Manager	4	3.9
	Technical services	4	3.9
	Scholars	4	3.9
	Director of R&D&I department/quality	5	4.9
	Plant headquarters	9	8.7
	Head of administrative services	14	13.6
	Director	15	14.6
	Head of technical services	20	19.4
	Construction manager	28	27.2
Type of company	Supplier (materials; inputs)	2	1.9
	Consultancy (studies; designs)	24	23.3
	Construction	72	69.9
	Others	5	4.9
Company size	Medium (51 to 200 workers)	18	17.5
	Small (11 to 50 workers)	25	24.3
	Microcompany (up to 10 workers)	26	25.2
	Large company (more than 200 workers)	34	33.0
Years of company experience	2 to 5 years	7	6.8
	Less than 2 years	15	14.6
	More than 30 years	18	17.5
	5 to 10 years	20	19.4
	20 to 30 years	21	20.4
	10 to 20 years	22	21.4

Others = technician, industrial engineer, environmental engineer, and accountant. Others = vocational training/technical engineering. Others = promotion company/road maintenance/signaling company.