Table 1.

Socio-demographic characteristics of the respondents

Variable	Categories	Number (n = 110)	%
Region of your college/university	Africa	20	18.2
	Asia	23	20.9
	Europe	33	30.0
	North America	19	17.3
	South America	10	9.1
	Oceania	5	4.5
Gender	Male	68	61.8
	Female	37	33.6
	Other	1	0.9
	Prefer not to say	4	3.6
Age	18–32 yrs	15	13.6
	33–47	52	47.3
	48–62	35	31.8
	More than 63	8	7.3
University classification	Public	87	79.1
	Private	19	17.3
	Others (charity, philanthropic, foundation special status)	4	3.6
Highest education level	Secondary school or lower	1	0.9
	Tertiary education	10	9.1
	Postgraduate (e.g. MA/MSc, Ph. D.)	99	90.0
Primary position at the college/university	Lecturer/professor	52	47.3
	Researcher	17	15.5
	Student	12	10.9
	Administrative staff	15	13.6
	Higher management	11	10.0
	Sustainability education	1	0.9
	Researcher and lecturer	1	0.9
	Professor Emeritus	1	0.9
Main area of knowledge	Social sciences	41	37.3
	Engineering and technology	25	22.7
	Natural sciences	18	16.4
	Medical and health sciences	2	1.8
	Agricultural sciences	6	5.5
	Arts & humanities	5	4.5
	Sustainability and environmental studies	13	11.8