Table 1.

Demographic data (n = 78).

Characteristic	n	%
Age
21–30	14	17.95
31–40	44	56.41
41–50	16	20.51
51–70	4	5.13
Mean	2.13
Standard deviation	0.76
Variance	0.58
Gender
Male	39	50
Female	39	50
Mean	1.50
Standard deviation	0.50
Variance	0.25
Professional qualification
Diploma	4	5.13
Bachelor	36	46.15
Master	29	37.18
Doctorate	9	11.54
Mean	2.55
Standard deviation	0.77
Variance	0.59