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See Latest ArticlesColorectal cancer screening among first-degree relatives of colorectal cancer patients
Annals of Surgical Oncology, 06/03/09
Mack LA et al. - In a trial to estimate the proportion of first-degree relatives (FDR) of colorectal cancer (CRC) pts being screened for CRC and to identify predictors of screened behavior, it was found that 70% of FDR of CRC pts had undergone screening; age was the most important predictor. Understanding underlying constructs influencing screening behavior may improve uptake of CRC screening in this population.
Methods- A questionnaire was mailed to 640 stage I–III CRC pts from a population-based registry to identify FDR.
- A survey was sent to 747 FDR, aged 40 or older, to assess CRC screening, knowledge, demographics, access, benefits, and barriers of CRC screening.
- Factor analysis was used to detect underlying constructs.
- Predictors of screening were explored by multivariate analysis (MVA).
- There was a 54% and 51% response for pts and FDR, respectively.
- Among FDR, 86% were born in Canada, 94% spoke English, 93.5% had a high school education, 73% were married, and 55% were employed.
- Age distribution was: 40–44 yrs (19.7%), 45–49 (19.1%), 50–54 (16%), 55–59 (15.2%), 60–64 (9.8%), and >65 (18%).
- 70% had undergone CRC screening with 60% adherent to current guidelines.
- Of those screened, 33.7% had fecal occult blood testing, 19.4% had barium enema, 10.7% had sigmoidoscopy, and 58.7% had colonoscopy.
- 5 constructs influencing CRC screening include: salience and coherence, perceived susceptibility, response efficacy, social influence, and cancer worries.
- MVA determined age >50 yrs as the most important predictor of screening.
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