Table 1 General Characterics of subjectives

Variables	Classification	N	%
Number of worker	<10	18	18.9
	10-299	31	32.6
	300-999	20	21.1
	>1000	23	24.2
	unknown	3	3.2
Sales (won)	<120	26	27.4
	120-1499	18	18.9
	>1500	40	42.1
	unknown	11	11.6
Type	food manufacturing and distribution	65	68.4
	food import	2	2.1
	instrument manufacturing	2	2.1
	functional food manufacturing	6	6.3
	functional food import	4	4.2
	functional food distribution	6	6.3
	others	7	7.4
	unknown	3	3.2
Public location	internal	88	92.6
	external	6	6.3
	unknown	1	1.1
Area	capital	71	74.7
	yeongdong region	2	2.1
	chungcheong region	13	13.7
	honam region	5	5.3
	yeongnam region	3	3.2
	unknown	1	1.1
Major field	snack foods	4	4.2
	bread, rice cake	8	8.4
	suger,	3	3.2
	meat, egg	4	4.2
	fish cake	3	3.2
	tofu, muk	1	1.1
	oil	2	2.1
	noodle	2	2.1
	tea, coffee, drink	10	10.5
	special purpose food	2	2.1
	paste, soak	8	8.4
	seasoning	5	5.3
	health function	16	16.8
	additives	3	3.2
	other	23	24.2
	unknown	1	1.1
Total		95	100