Table 1.

Characteristics of respondents.

Variable	Category	Frequency	Percentage/%
Gender	Male	512	47.94
	Female	556	52.06
Age	Under 25	47	4.40
	26–35	570	53.37
	36–45	274	25.66
	46–55	158	14.79
	Above 56	19	1.78
Education	College or below	103	9.64
	Bachelor	669	62.64
	Master	137	12.83
	Doctorate	159	14.89
Occupation	Enterprise staff	729	68.26
	Enterprise manager	207	19.38
	Work under institution	28	2.62
	Other	104	9.74
Income level	below 2500	201	18.82
	2501–5000	38	3.56
	5001–7500	315	29.49
	7501–10000	376	35.21
	Above 10,000	138	12.92