Background
Methods
Statistical analysis
Results
n
|
%
| |
---|---|---|
Gender
| ||
Female | 396 | 66.6 |
Male | 199 | 33.4 |
Age (years)
| 44.2 ± 5.8 (31–67)* | |
Marital status
| ||
Married | 556 | 93.4 |
Other | 39 | 6.6 |
Number of other persons in the household
| ||
<3 | 64 | 10.8 |
3 | 341 | 57.3 |
4 | 138 | 23.2 |
≥5 | 52 | 8.7 |
Educational level (years)
| 14.2 ± 4* | |
5–7 | 12 | 2 |
8–12 | 124 | 20.8 |
13–17 | 314 | 52.8 |
>17 | 145 | 24.4 |
Occupational position
| ||
Unemployed | 144 | 24.2 |
Lower managerial, artisans, commercial | 346 | 58.2 |
High professional, managerial | 105 | 17.6 |
Perception of personal health status
| 7.5 ± 1.6 (5–30)* | |
Personal history of precancerous lesions
| ||
No | 590 | 99.2 |
Yes | 5 | 0.8 |
Personal history of colorectal cancer
| ||
No | 594 | 99.8 |
Yes | 1 | 0.2 |
Familial history of precancerous lesions or colorectal cancer
| ||
No | 526 | 88.4 |
Yes | 69 | 11.6 |
Correctly answered
|
Do not know
| |||||
---|---|---|---|---|---|---|
Yes
|
%
|
No
|
%
|
n
|
%
| |
Definition
| 179 | 30.1 | 416 | 69.9 | - | - |
Risk factors
| ||||||
Polyps | 374 | 62.9 | 221 | 37.1 | - | - |
Familial history of colorectal cancer | 321 | 53.9 | 274 | 46.1 | - | - |
High caloric intake from fat | 279 | 46.9 | 316 | 53.1 | - | - |
Cigarette smoking | 160 | 26.9 | 435 | 73.1 | - | - |
Low physical activity | 143 | 24 | 452 | 76 | - | - |
No risk factors
| ||||||
Fruit and vegetables intake | 591 | 99.3 | 4 | 0.7 | - | - |
Hypertension | 585 | 98.3 | 10 | 1.7 | - | - |
Oral contraceptives use | 584 | 98.2 | 11 | 1.8 | - | - |
Diabetes | 570 | 95.8 | 25 | 4.2 | - | - |
Bowel infections | 322 | 54.1 | 273 | 45.9 | - | - |
Preventive measures
| ||||||
Colonoscopy | 373 | 62.7 | 106 | 17.8 | 116 | 19.5 |
Fecal occult blood testing | 308 | 51.8 | 161 | 27 | 126 | 21.2 |
Double contrast barium enema | 154 | 25.9 | 289 | 48.6 | 152 | 25.5 |
Sigmoidoscopy | 62 | 10.4 | 360 | 60.5 | 173 | 29.1 |
No preventive measures
| ||||||
Blood test | 255 | 42.8 | 226 | 38 | 114 | 19.2 |
Ecography | 249 | 41.9 | 222 | 37.3 | 124 | 20.8 |
Variable | OR | 95% CI |
p
|
---|---|---|---|
Model 1. Knowledge of the two main modifiable risk factors of colorectal cancer (low physical activity, high caloric intake from fat) | |||
Log likelihood = -265.58, χ2 = 38.51 (5 df), p < 0.0001 | |||
Educational level | |||
Higher | 1.08 | 1.03–1.15 | 0.004 |
Performing physical activity | |||
No | 1.0* | ||
Yes | 1.79 | 1.14–2.83 | 0.012 |
Physical activity modified for fear of contracting colorectal cancer | |||
No | 1.0* | ||
Yes | 2.22 | 1.1–4.49 | 0.027 |
Personal perceived risk of contracting colorectal cancer | |||
Lower | 0.91 | 0.83–0.99 | 0.028 |
Dietary habits modified for fear of contracting colorectal cancer | |||
No | 1.0* | ||
Yes | 1.92 | 1.07–3.46 | 0.029 |
Model 2. Knowledge of fecal occult blood testing as main test for colorectal cancer prevention | |||
Log likelihood = -379.53, χ2 = 65.05 (8 df), p < 0.0001 | |||
Advice received by physician of performing fecal occult blood testing | |||
No | 1.0* | ||
Yes | 3.43 | 2.01–5.83 | <0.001 |
Educational level | |||
Higher | 1.08 | 1.03–1.13 | 0.001 |
Marital status | |||
Single/separated/divorced/widowed | 1.0* | ||
Married | 0.47 | 0.23–0.95 | 0.035 |
Knowledge of risk factors of colorectal cancer | |||
No | 1.0* | ||
Yes | 1.87 | 1.04–3.38 | 0.037 |
Participation in preventive activities about colorectal cancer | |||
No | 1.0* | ||
Yes | 3.19 | 0.83–12.27 | 0.09 |
Physician as source of information about colorectal cancer | |||
No | 1.0* | ||
Yes | 1.43 | 0.88–2.33 | 0.15 |
Belief that colorectal cancer can be prevented | |||
No | 1.0* | ||
Yes | 1.22 | 0.86–1.74 | 0.26 |
Personal or familial history of precancerous lesions or colorectal cancer | |||
No | 1.0* | ||
Yes | 1.36 | 0.8–2.31 | 0.26 |
Model 4. Appropriate behavior in undergoing fecal occult blood testing if eligible or not undergoing fecal occult blood testing if not eligible | |||
Log likelihood = -238.38, χ2 = 219.35 (6 df), p < 0.0001 | |||
Age | |||
Younger | 0.85 | 0.81–0.9 | <0.001 |
Personal history of precancerous lesions and familial history of precancerous lesions or colorectal cancer | |||
No | 1.0* | ||
Yes | 0.29 | 0.15–0.54 | <0.001 |
Recommendation by a physician for undergone or not undergone fecal occult blood testing | |||
No | 1.0* | ||
Yes | 4.62 | 2.82–7.58 | <0.001 |
Educational level | |||
Higher | 1.07 | 1.01–1.13 | 0.034 |
Gender | |||
Male | 1.0* | ||
Female | 1.62 | 1.01–2.62 | 0.049 |
Number of other persons in the household | |||
Higher | 1.14 | 0.87–1.49 | 0.34 |
Variable | Coeff. | t |
p
|
Model 3. Positive attitude towards the utility of screening tests for colorectal cancer prevention | |||
F(6,588) = 12.95, p < 0.0001, R2 = 11.7%, adjusted R2 = 10.8% | |||
Personal perceived risk of contracting colorectal cancer | 0.11 | 3.65 | <0.001 |
Belief that colorectal cancer can be prevented | 1.13 | 6.87 | <0.001 |
Educational level | -0.05 | -2.73 | 0.007 |
Physician as source of information about colorectal cancer | 0.49 | 2.27 | 0.024 |
Perception of personal health status | 0.05 | 1.03 | 0.3 |
Gender | -0.16 | -0.92 | 0.36 |
Constant | 7.68 |