Table 1.

Demographics and Characteristics Related to Breast Cancer and Internet Utilization (N=146)

Variables	Categories	n	(%)	Mean	SD	Min	Max
Age (years)	29-39	20	(13.7)	46.6	6.8	29	65
	40-49	77	(52.7)
	50-59	45	(30.8)
	60-69	4	(2.7)
Marital status	Single	13	(8.9)
	Married	133	(91.1)
Education	Elementary	2	(1.4)
	Middle school	7	(4.8)
	High school	60	(41.1)
	College	61	(41.8)
	Graduate school	16	(11.0)
Religion	Protestant	47	(32.2)
	Buddhism	33	(22.6)
	Catholic	27	(18.5)
	None	37	(25.3)
	Others	2	1.36
Occupation	Homemaker	91	(62.3)
	Commercial/business	1	(0.7)
	Government official	11	(7.5)
	Professionals	12	(8.2)
	Company worker	11	(7.5)
	Others	20	(13.7)
Income	<100	11	(7.5)
	100-199	22	(15.1)
	200-299	29	(19.9)
	300-399	33	(22.6)
	400-499	18	(12.3)
	≥500	33	(22.6)
Residence	Seoul and big city	88	(60.3)
	Small and medium-sized city	51	(34.9)
	Rural area	7	(4.8)
Menarche	Before 12 yrs	9	(6.3)	14.4	1.4	11	19
	After 12 yrs	135	(93.8)
Menopause	20-29 yrs	2	(2.0)	45.5	5.7	22	56
	30-39 yrs	8	(7.8)
	40-49 yrs	71	(69.6)
	50-59 yrs	21	(20.6)
Breast self examination	Once a month	43	(29.5)
	Sometimes	78	(53.4)
	Never	25	(17.1)
	No	92	(63.0)
Methods of breast cancer diagnosis	Routine exam	24	(16.4)
	Occasional exam	21	(14.4)
	Mass palpation	94	(64.4)
	Others	7	(4.8)
Period since Dx (yrs)	<1	40	(27.4)	2.1	2.3	0	13
	1-2	74	(50.7)
	3-4	20	(13.7)
	5-9	9	(6.2)
	≥10	3	(2.1)
Stage of disease at Dx	0	9	(6.2)
	1	51	(35.2)
	2	54	(37.2)
	3	26	(17.9)
	4	0	(0.0)
	Others	5	(3.5)
Type of treatment
Mastectomy	No	70	(48.0)
	Yes	76	(52.1)
Lumpectomy	No	74	(50.7)
	Yes	72	(49.3)
Chemotherapy	No	22	(15.1)
	Yes	124	(84.9)
Radiotherapy	No	63	(43.2)
	Yes	83	(56.9)
Hormonal Tx	No	63	(43.2)
	Yes	83	(56.9)
Breast reconstruction	No	140	(95.9)
	Yes	6	(4.1)
Other diseases	No	116	(79.5)
	Yes	30	(20.6)
Participation to self-help group	1/1-2mon.	41	(28.1)
	1/3-6mon.	8	(5.5)
	1/12mon.	9	(6.2)
	Sometimes	2	(1.4)
	No	86	(58.9)
Source of information
Broadcasting	No	139	(96.5)
	Yes	5	(3.5)
Books, newspaper	No	139	(96.5)
	Yes	5	(3.5)
Internet	No	26	(18.1)
	Yes	118	(81.9)
Self-help group	No	121	(84.0)
	Yes	23	(16.0)
Others	No	135	(93.8)
	Yes	9	(6.3)
Internet utilization	No	1	(0.7)
	Yes	145	(99.3)
Duration of Internet use	<6 mon	7	(4.8)
	6-11 mon	11	(7.6)
	12-35 mon	32	(22.1)
	≥36 mon	95	(65.5)
Frequency of Internet use	Daily	87	(60.0)
	3-4/wk	28	(19.3)
	1-2/wk	21	(14.5)
	1-2/mon	9	(6.2)
Duration of Internet use/day (min)				86.4	81.7	12	480
Place of Internet use	Home	126	(86.9)
	PC room	18	(12.4)
	Workplace	1	(0.7)
Experience of use of health information online	Yes	137	(94.5)
	No	8	(5.5)
Recurrence of breast cancer	Yes	7	(4.8)
	No	137	(94.5)
	Don’t know	1	(0.7)
Metastasis of breast cancer	Yes	10	(6.9)
	No	136	(93.2)
Family History	Mother or mother’s/ father’s sister	5	(3.4)
	Sisters	5	(3.4)
	Cousins	1	(0.7)
	None	132	(90.4)
	Others	3	(2.1)