Table 2.

Sample structure.

Category		Frequency	Percentage (%)	Category		Frequency	Percentage (%)
Gender	Male	469	67.3	Age of company	2–5 years	60	8.6
	Female	228	32.7		6–10 years	152	21.8
Age	<25	15	2.2		>10 years	485	69.6
	26–30	202	29.0	Organizational department	Research and development	352	50.5
	31–35	226	32.4		Procurement	13	1.9
	36–40	152	21.8		Customer service	5	0.7
	41–45	62	8.9		Sales	20	2.9
	>46	40	5.7		Planning	72	10.3
Work experience	<1 year	10	1.4		Administration	65	9.3
	2–3 years	163	23.4		Consulting	4	0.6
	4–6 years	234	33.6		Human resources	43	6.2
	7–9 years	132	18.9		Production/manufacturing	113	16.2
	>10 years	158	22.7		Accounting	10	1.4
Company size	<200 employees	122	17.5	High-tech fields	Electronics	151	22.4
	300–500 employees	264	37.9		Biomedicine	34	4.9
	600–1,000 employees	195	28.0		Aerospace and aeronautics	7	1.0
	>1,000 employees	116	16.6		New materials	53	7.6
Educational level	Diploma and below	82	11.8		High-tech service industry	121	17.4
	Bachelor's degree	445	63.8		Alternative energy and energy conservation technology	178	25.5
	Master's degree	138	19.8		Resource and environmental technology	33	4.7
	Doctoral degree	32	4.6		Reconstruction of traditional industries	116	16.6