Celebremos La Salud! A Community Randomized Trial of Cancer Prevention (United States)
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Compared to non-Hispanic whites, Hispanics in the United States are at higher risk for certain types of cancer.
In a randomized controlled trial of 20 communities, we examined whether a comprehensive intervention influenced cancer screening behaviors and lifestyle practices in rural communities in Eastern Washington State. Cross-sectional surveys at baseline and post-intervention included interviews with a random sample of approximately 100 households per community. The interview included questions on ever use and recent use of Pap test, mammogram, and fecal occult blood test (FOBT) and sigmoidoscopy/colonoscopy, fruit and vegetable consumption and smoking practices.
We found few significant changes in use of screening services for cervical (Pap test), breast (mammogram) or colorectal cancer (fecal occult blood test (FOBT) or sigmoidoscopy/colonoscopy) between intervention and control communities. We found no significant differences in fruit and vegetable consumption nor in smoking prevalence between the two groups. We found more awareness of and participation in intervention activities in the treatment communities than the control communities.
Our null findings might be attributable to the low dose of the intervention, a cohort effect, or contamination of the effect in non-intervention communities. Further research to identify effective strategies to improve cancer prevention lifestyle behaviors and screening practices are needed.
KeywordsCervical cancer Breast cancer Colorectal cancer Pap test Mammogram FOBT Sigmoidoscopy/colonoscopy Community intervention Hispanic
This work was supported by a grant (CA74968) from the National Cancer Institute. The authors acknowledge the Community Advisory Board, all the staff in the field office, and respondents to the survey in the Lower Yakima Valley and Columbia Basin of Washington State. This work was approved by the Fred Hutchinson Institutional Review Board (IR File 4344).
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