Dataset Information

What is most important to patients when deciding about colorectal screening?

ABSTRACT:

Background

Colorectal cancer (CRC) screening can be administered through tests with varied characteristics and is a preference-sensitive decision.

Objective

To assess patient experiences with a Maximum Differences Scaling (MDS) tool for eliciting values about CRC screening test characteristics and determine whether patients vary in how they prioritize test characteristics and whether this variation relates to test preferences.

Design

MDS survey to elicit patients' values for characteristics related to fecal occult blood testing, sigmoidoscopy, colonoscopy, CT colonography and colon capsule endoscopy.

Participants

92 patients enrolled in primary care clinics at a VA hospital and associated university.

Results

Patients reported that the tool was easy to use (95%). On completion 62% would choose colonoscopy, 23% colon capsule endoscopy and 10% CT colonography. Of the attributes evaluated, patients valued sensitivity, risk of tear and need for a second test most. Sensitivity was more important to those choosing colonoscopy than those choosing other tests (median importance = 21.5 versus 19.6, p < 0.01). Concern with complications and sedation was positively associated with age (p < 0.001 and p < 0.001), whereas concern with colon preparation and missing work was negatively associated with age (p < 0.009 and p < 0.03). Patients with fair or poor health status were less concerned with sensitivity than patients in good to excellent health (median importance = 19.3 versus 21.4, p < 0.008).

Conclusions

This pilot study suggests that patients vary in how they prioritize colorectal cancer screening test attributes; this variation is associated with test preferences, and this MDS tool is feasible to use and may help patients construct their preferences.

SUBMITTER: Imaeda A

PROVIDER: S-EPMC2881957 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:INTRODUCTION:Low-income, low-literacy, limited English-proficient populations have low colorectal cancer (CRC) screening rates and experience poor patient-provider communication and decision-making processes around screening. The purpose of this study was to test the effect of a CRC screening decision aid on screening-related communication and decision making in primary care visits. STUDY DESIGN:RCT with data collected from patients at baseline and immediately after the provider encounter. SETTING/PARTICIPANTS:Patients aged 50-75 years, due for CRC screening, were recruited from two safety net clinics in North Carolina and New Mexico (data collection, January 2014-September 2015; analysis, 2015). INTERVENTION:Participants viewed a CRC screening decision aid or a food safety (control) video immediately before their provider encounter. MAIN OUTCOME MEASURES:CRC screening-related knowledge, discussion, intent, test preferences, and test ordering. RESULTS:The study population (N=262) had a mean age of 58.3 years and was 66% female, 61% Latino, 17% non-Latino black, and 16% non-Latino white. Among Latino participants, 71% preferred Spanish. Compared with controls, intervention participants had greater screening-related knowledge (on average 4.6 vs 2.8 of six knowledge items correct, adjusted difference [AD]=1.8, 95% CI=1.5, 2.1) and were more likely to report screening discussion (71.0% vs 45.0%, AD=26.1%, 95% CI=14.3%, 38.0%) and high screening intent (93.1% vs 84.7%, AD=9.0%, 95% CI=2.0%, 16.0%). Intervention participants were more likely to indicate a specific screening test preference (93.1% vs 68.0%, AD=26.5%, 95% CI=17.2%, 35.8%) and to report having a test ordered (56.5% vs 32.1%, AD=25.8%, 95% CI=14.4%, 37.2%). CONCLUSIONS:Viewing a CRC screening decision aid before a primary care encounter improves knowledge and shared decision making around screening in a racially, ethnically, and linguistically diverse safety net clinic population. TRIAL REGISTRATION:This study is registered at www.clinicaltrials.gov NCT02054598.

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