Nonparticipation in a population-based trial to increase colorectal cancer screening.

ABSTRACT:

Background

Many trials have tested different strategies to increase colorectal cancer (CRC) screening. Few describe whether participants are representative of the population from which they are recruited.

Purpose

To determine risk factors related to nonparticipation among patients enrolled in an integrated health plan and not up to date for CRC testing, in a trial to increase screening rates.

Methods

Between July 2008 and October 2009, a total of 15,000 adults aged 50-74 years from 21 clinics in Washington State who were due for CRC screening were contacted. Nonparticipants were defined as English-speaking patients who did not engage in the call or refused participation while still potentially eligible. Log-binomial regression models were used to estimate the relative

SUBMITTER: Green BB 

PROVIDER: S-EPMC3549634 | biostudies-literature | 2012 Apr

REPOSITORIES: biostudies-literature