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Table 1 Knowledge and beliefs of primary care professionals about colorectal cancer, cancer screening programmes in general, and colorectal cancer screening in particular

From: Knowledge and attitudes of primary health care physicians and nurses with regard to population screening for colorectal cancer in Balearic Islands and Barcelona

Questions Answers Total
(%)
Physicians
(%)
Nurses
(%)
Colorectal cancer is the most common cancer in both sexes together I agree 58.5 69.0 47.1
  I disagree 17.9 17.8 18.1
  I don't know 23.6 13.2 34.8
Colorectal cancer is one of the three leading causes of death from cancer I agree 77.6 87,5 66,9
  I disagree 8.7 7.3 10.2
  I don't know 13.7 5.2 22.9
About half of all people who have colorectal cancer are still alive 5 years after the diagnosis I agree 69.6 80.1 58.3
  I disagree 8.1 8.3 8.0
  I don't know 22.3 11.6 33.7
The early diagnosis of colorectal cancer, before the onset of symptoms, is a prognostic factor I agree 90.5 95.4 85.0
  I disagree 4.0 2.5 5.7
  I don't know 5.5 2.1 9.3
The rapid diagnosis of colorectal cancer, after the onset of symptoms, is a prognostic factor I agree 80.9 84.3 76.0
  I disagree 11.5 12.5 10.4
  I don't know 7.6 3.2 12.8
The location of the colorectal cancer (colon or rectum) is a prognostic factor I agree 70.2 71.0 69.3
  I disagree 10.7 14.3 6.0
  I don't know 19.1 14.8 24.6
Population screening programmes target asymptomatic subjects of specific age groups I agree 87.1 93.4 80.2
  I disagree 5.0 3.7 6.3
  I don't know 8.0 2.9 13.5
The purpose of a population screening programme is to reduce the mortality rate I agree 85.4 86.9 83.7
  I disagree 11.0 10.4 11.6
  I don't know 3.7 2.8 4.7
A screening programme's effectiveness depends on the % of the population that participates in it I agree 70.0 76.5 63.0
  I disagree 14.4 13.2 15.7
  I don't know 15.6 10.3 21.3
Prostate cancer screening by testing for prostate-specific antigen (PSA) is... Effective 76.4 64.8 88.8
  Ineffective 20.4 34.1 5.9
  I don't know 3.2 1.1 5.3
Breast cancer screening by means of mammography is... Effective 98.3 99.2 97.4
  Ineffective 0.6 0.5 0.7
  I don't know 1.1 0.3 1.9
Lung cancer screening by means of CAT scans is... Effective 78 67.2 89.5
  Ineffective 15.3 27.1 2.7
  I don't know 6.7 5.7 7.7
Screening for colorectal cancer by means of rectal examination is... Effective 60.1 57.3 63
  Ineffective 30.1 39.5 20
  I don't know 9.9 3.3 17
Screening for colorectal cancer by testing for occult blood in stools (FOBT) is... Effective 83.9 83.1 84.7
  Ineffective 11.3 15.1 7.1
  I don't know 4.9 1.8 8.2
Screening for colorectal cancer by means of colonoscopy is... Effective 96.3 97.7 94.6
  Ineffective 1.0 1.6 0.3
  I don't know 2.8 0.6 5
The FOBT is too risky to be a screening test I agree 4.3 3.0 5.7
  I disagree 83.3 92.4 72.7
  I don't know 12.5 4.6 21.5
Colonoscopy is too risky to be a screening test I agree 33.4 36.6 29.8
  I disagree 48.9 54.2 42.9
  I don't know 17.6 9.2 27.4