Barriers to colorectal cancer screening: A case-control study

Table 1 Characteristics of subjects between case and control groups¹

Characteristic	Case	Control 1	Control 2	P-value
Age (mean ± SD, yr)	53.3 ± 9.0	54.3 ± 8.3	52.7 ± 9.7	0.23
Gender
Male	47	70	98
Female	39	94	115	0.19
Marital status
Ever	83	163	208
Never	3	1	5	0.25
Occupation
Worker	19	65	69
Official/administrator	3	3	9
Technician/professional	7	8	6
Businessman	8	11	11
Other	49	77	18	0.08
Education
College & above	12	18	23
High school	17	29	34
Middle school	45	94	132
Elementary school or none	12	23	24	0.65
Personal income2
≤ ¥10 000	53	92	134
¥10 001-20 000	21	45	51
> ¥20 000	9	16	21	0.53

¹Definition: case, those completing both a fecal occult blood test (FOBT) and colonoscopy; control 1, those having a positive FOBT but refusing a colonoscopy, and control 2, those who refused both an FOBT and colonoscopy in a CRC screening program in 2004.

²Estimated by yearly household income in Chinese Dollar (Yuan) divided by total number of family members.