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Showing content from https://pubmed.ncbi.nlm.nih.gov/21565651/ below:

Effectiveness of a web-based colorectal cancer screening patient decision aid: a randomized controlled trial in a mixed-literacy population

Randomized Controlled Trial

doi: 10.1016/j.amepre.2011.02.019. Effectiveness of a web-based colorectal cancer screening patient decision aid: a randomized controlled trial in a mixed-literacy population

Affiliations

Affiliation

¹ General Internal Medicine, Wake Forest University School of Medicine, Medical Center Boulevard, Winston-Salem, NC 27157, USA. dmiller@wakehealth.edu

PMID: 21565651
PMCID: PMC3480321
DOI: 10.1016/j.amepre.2011.02.019

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Randomized Controlled Trial

Effectiveness of a web-based colorectal cancer screening patient decision aid: a randomized controlled trial in a mixed-literacy population

David P Miller Jr et al. Am J Prev Med. 2011 Jun.

doi: 10.1016/j.amepre.2011.02.019. Affiliation

¹ General Internal Medicine, Wake Forest University School of Medicine, Medical Center Boulevard, Winston-Salem, NC 27157, USA. dmiller@wakehealth.edu

PMID: 21565651
PMCID: PMC3480321
DOI: 10.1016/j.amepre.2011.02.019

Item in Clipboard

Abstract

Background: Colorectal cancer (CRC) screening reduces mortality yet remains underutilized. Low health literacy may contribute to this underutilization by interfering with patients' ability to understand and receive preventive health services.

Purpose: To determine if a web-based multimedia CRC screening patient decision aid, developed for a mixed-literacy audience, could increase CRC screening.

Design: RCT. Patients aged 50-74 years and overdue for CRC screening were randomized to the web-based decision aid or a control program seen immediately before a scheduled primary care appointment.

Setting/participants: A large community-based, university-affiliated internal medicine practice serving a socioeconomically disadvantaged population.

Main outcome measures: Patients completed surveys to determine their ability to state a screening test preference and their readiness to receive screening. Charts were abstracted by masked observers to determine if screening tests were ordered and completed.

Results: Between November 2007 and September 2008, a total of 264 patients enrolled in the study. Data collection was completed in 2009, and data analysis was completed in 2010. A majority of participants (mean age=57.8 years) were female (67%), African-American (74%), had annual household incomes of <$20,000 (76%), and had limited health literacy (56%). When compared to control participants, more decision-aid participants had a CRC screening preference (84% vs 55%, p<0.0001) and an increase in readiness to receive screening (52% vs 20%, p=0.0001). More decision-aid participants had CRC screening tests ordered (30% vs 21%) and completed (19% vs 14%), but no statistically significant differences were seen (AOR=1.6, 95% CI=0.97, 2.8, and AOR=1.7, 95% CI=0.88, 3.2, respectively). Similar results were found across literacy levels.

Conclusions: The web-based decision aid increased patients' ability to form a test preference and their intent to receive screening, regardless of literacy level. Further study should examine ways the decision aid can be combined with additional system changes to increase CRC screening.

Trial registration: ClinicalTrials.gov NCT00558233.

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Figures
Figure 1

Representative screen shot from CHOICE…

Figure 1

Representative screen shot from CHOICE program. All written text is read aloud by…

Figure 1

Representative screen shot from CHOICE program. All written text is read aloud by a narrator. Patients interact with the program via a touch-screen monitor. The full decision aid may be viewed at http://intmedweb.wfubmc.edu/choice/choice.html .

Figure 2

Patient enrollment and randomization ^a…

Figure 2

Patient enrollment and randomization ^a One patient allocated to CHOICE did not interact…

Figure 2

Patient enrollment and randomization ^a One patient allocated to CHOICE did not interact with the program due to a computer malfunction. PCP, primary care provider