Increasing uptake of colorectal cancer screening in Korea: a population-based study

BMC Public Health

Table 3 Rate of up-to-date fecal occult blood test and endoscopy

	FOBT within the previous year					Endoscopy^a within the previous 10 years
			2008 vs 2005					2008 vs 2005
	2005 %	2008 %	Relative Difference %^b	Absolute Difference *percentage points*	P value^c	2005 %	2008 %	Relative Difference %^b	Absolute Difference *percentage points*	P value^c
Gender
Male	8.7	21.0	141.4	12.3	<0.001	18.2	19.3	6.0	1.1	0.756
Female	5.9	21.6	266.1	15.7	<0.001	17.8	21.6	21.3	3.8	0.156
Age (years)
50-59	6.4	19.4	203.1	13.0	<0.001	17.1	21.3	24.6	4.2	0.132
60-69	7.7	22.5	192.2	14.8	<0.001	19.9	21.5	8.0	1.6	0.675
70-79	8.4	24.0	185.7	15.6	<0.001	16.9	16.6	-1.8	-0.3	0.938
Education (level)
Did not complete high school	6.9	22.4	224.6	15.5	<0.001	17.7	19.6	10.7	1.9	0.449
High school graduate or above	7.7	19.7	155.8	12.0	<0.001	18.4	21.7	17.9	3.3	0.308
Monthly household income (US$)
Less than 1,500	4.2	25.7	511.9	21.5	<0.001	15.8	17.0	7.6	1.2	0.841
1,500-3,000	8.5	19.2	125.9	10.7	<0.001	17.1	18.9	10.5	1.8	0.516
3,000 or more	7.5	21.8	190.7	14.3	<0.001	22.9	26.0	13.5	3.1	0.521
Self-reported health status
Fair/poor	5.1	13.1	156.9	8.0	0.0184	17.1	17.9	4.7	0.8	0.987
Good	6.0	21.5	258.3	15.5	<0.001	18.2	24.4	34.1	6.2	0.104
Excellent/very good	8.5	23.0	170.6	14.5	<0.001	18.1	19.1	5.5	1.0	0.719
Smoking status
Current smoker	6.6	20.7	213.6	14.1	<0.001	15.2	19.3	27.0	4.1	0.346
Former smoker	6.7	22.1	229.9	15.4	<0.001	22.8	19.3	-15.4	-3.5	0.575
Never smoked	7.5	21.3	184.0	13.8	<0.001	17.9	21.1	17.9	3.2	0.183

^a Flexible sigmoidoscopy or colonoscopy.
^b The percentage changes ([relative risk - 1] × 100) in the rates between 2005 and 2008.
^c All P values are two-sided and were calculated for exact comparisons of the rates between 2005 and 2008.

ISSN: 1471-2458