Knowledge and Informed Decision-Making about Population-Based Colorectal Cancer Screening Participation in Groups with Low and Adequate Health Literacy
Table 2
Knowledge about CRC and CRC screening among respondents with low and adequate health literacy, after reading the standard information package ().
Correct responses
value Chi-square
Low HL (total )
High HL (total )
%
%
CRC-specific items
A mass screening programme can detect CRC before it becomes symptomatic (correct)
69
97
68
97
0.99
CRC has a better chance of survival when detected in an early stage (correct)
70
99
70
100
0.32
Persons can die from CRC when not treated on time (correct)
60
84
58
83
0.79
CRC can be hereditary (correct)
32
45
36
51
0.45
CRC is one of the most prevalent cancers in the Netherlands (correct)
52
73
49
70
0.67
Younger persons have a higher chance of being diagnosed with CRC than older persons (incorrect)
58
82
66
94
0.02
CRC screening specific items
In the absence of symptoms, participation is not useful (incorrect)
65
91
70
100
0.01
The presence of blood in stool can be a sign of CRC (correct)
66
93
68
97
0.25
The stool test has to be repeated every two years (correct)
66
93
67
96
0.48
If the stool test detects blood, there is a 100% change of CRC (incorrect)
65
91
69
99
0.06
If a person has CRC, there is a 100% chance the stool test will detect this (incorrect)
34
48
45
64
0.05
If the stool test detects blood, a follow-up investigation is necessary to check for the presence of CRC (correct)
70
99
69
99
0.99
The follow-up investigation (a colonoscopy) is in almost 100% of cases correct in detecting CRC (correct)
53
75
61
87
0.06
If the colonoscopy detects precursors of CRC, these can almost always be removed in the same procedure (correct)
55
77
56
80
0.71
After removal of precursor lesions, regular checkups of the bowel are not necessary (incorrect)
63
89
58
83
0.32
Participation in the screening program is obligatory for person between the ages of 55 and 75 (incorrect)
