Table 1. General characteristics

	Variable	N(474)	%
Gender	Male	237	50.0
	Female	237	50.0
Age	20∼29	114	24.1
	30∼39	122	25.7
	40∼49	120	25.3
	50∼59	118	24.9
Educational level	<High school	91	19.2
	Bachelor degree	336	70.9
	≥Postgraduate degree	47	9.9
Occupation	Housewife	71	15.0
	Office	206	43.5
	Public servant	21	4.4
	Self-employed	24	5.1
	Professional	44	9.3
	Sales	32	6.8
	Production	16	3.4
	Student	39	8.2
	Etc.	21	4.4
Monthly income (won)	<2 million	53	11.2
	2 million∼3.5million	108	22.8
	3.5million∼5million	113	23.8
	5million∼6.5million	82	17.3
	6.5million∼8million	66	13.9
	≥8million	52	11.0
Family members of currently living together (Including myself)	1 (myself)	46	9.7
	2	76	16.0
	3	130	27.4
	4	175	36.9
	5	43	9.1
	Over 6	4	0.8
Marital status	Single	169	35.7
	Married	305	64.3
Average grocery purchase expenses per a month (10,000 won)1)		69.40±66.27
Proportion of spending on HMR in grocery purchase expenses per a month (%)1)		30.98±18.89

Mean±S.D.