Factors associated with use of breast cancer screening services by women aged ≥ 40 years in Korea: The Third Korea National Health and Nutrition Examination Survey 2005 (KNHANES III)

Lee, Kiheon; Lim, Hyung Taek; Park, Sang Min

doi:10.1186/1471-2407-10-144

Table 1 Characteristics of the study population (n = 2,583)

From: Factors associated with use of breast cancer screening services by women aged ≥ 40 years in Korea: The Third Korea National Health and Nutrition Examination Survey 2005 (KNHANES III)

Socio-demographic factors		n	%
Age (years)	40-49	1001	38.75
	50-64	922	35.69
	65+	660	25.55
Education	No	422	16.34
	Elementary school (≤ 6 years)	751	29.07
	Middle/high school (7-12 years)	1146	44.37
	University/higher (≥ 13 years)	264	10.22
Household monthly income¹	Lowest tertile (≤ US$650)	851	32.95
	Middle tertile (US$650-1,345)	866	33.53
	Highest tertile (≥ US$1,345)	835	32.33
National health insurance (NHI)/Medicaid	NHI	2428	94.00
	Medicaid	155	6.00
Private health insurance (PHI)	No	948	36.70
	Yes	1629	63.07
NHI with or without PHI	NHI with PHI	1590	65.49
	NHI without PHI	832	34.27
Medicaid with or without PHI	Medicaid with PHI	39	25.16
	Medicaid without PHI	116	74.84
Marital status²	With spouse	1769	68.49
	Without spouse	812	31.44
Residential area	Urban	1952	75.57
	Rural	631	24.43
Health behavioral risk factors
Alcohol	Never	1062	41.11
	Less than once per month	795	30.78
	More than once per month	726	28.11
Lifetime smoker³	No	2348	90.90
	Yes	235	9.10
Physical activity of moderate intensity⁴	Never	1558	60.32
	More than once per week	719	27.84
	Everyday	306	11.85
Psychological and cognition factors
Stress	Often	926	35.85
	Rarely	1657	64.15
Self-reported depression⁵	No	2036	78.82
	Yes	546	21.14
Attitude towards effectiveness of medical examination	Effective	1589	61.52
	Not effective/not received medical exam.	993	38.44
Physical function and health status
Self-reported health status	Healthy	693	26.83
	Fair	947	36.66
	Unhealthy	943	36.51
Number of chronic diseases⁶	0-3	1497	57.96
	4+	1086	42.04
Disabled⁷	No	2494	96.55
	Yes	89	3.45
Visual problem	No	1544	59.78
	Yes	1039	40.22
Hearing problem	No	2202	85.25
	Yes	381	14.75
Walking problem	No	1931	74.76
	Yes	652	25.24
Limitation in daily activities	No	2136	82.69
	Yes	447	17.31

¹ To calculate income per adult equivalent, we defined as household 'income/square root of person'
² The term 'spouse' refers to an individual who is legally married or cohabiting, 'without spouse' refers to an individual who is single, divorced, or separated
³ 'Lifetime smoker' included respondents who reported that they have smoked at least 100 cigarettes in their lifetime and now smoke
⁴ Moderate-intensity activitieswere defined as lasting at least 10 minutes and increasing heart rate slightly compared with sedentary activities
⁵ Experience of depression was assessed by the question, "During the past 1 year, have you often been bothered by little interest or pleasure in doing things nearly every day for the past 2 weeks?"
⁶ Chronic diseases such as hypertension, diabetes, cardiovascular disease, lung disease, musculoskeletal disease, gastrointestinal disease, and anemia
⁷ Registered as a disabled person

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ISSN: 1471-2407

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