Dataset Information

Predictors of adherence to repeat fecal occult blood test in a population-based colorectal cancer screening program.

ABSTRACT:

Background

Socio-economic, environmental factors and general practitioner (GP) involvement may influence adherence to repeat faecal occult blood testing (FOBT) of organised colorectal cancer (CRC) screening. The aim of the study was to identify predictors of adherence to repeat testing.

Methods

The populationcomprised people eligible for the third round of a CRC screening programme in a French district (n=118,905). Multilevel logistic regression analysis was performed to identify individual and area-level characteristics associated with 'compliant participants' participating in the all three rounds vs 'occasional participants' participating in one or two rounds.

Results

Compared to 'occasional participants', 'compliant participants' were more likely to participate after receiving a FOBT kit from their GP (odds ratio (OR), 10.7; 95% CI, 10.01-11.5) vs FOBT received at home, and were less likely to live in socio-economically deprived areas (OR, 0.75; 0.70-0.80) and urban areas (OR, 0.94; 0.88-1.00).

Conclusions

As for a screening round participation, strategies aimed at improving the participation to a screening programme should target GPs and people living in socially deprived areas.

SUBMITTER: Pornet C

PROVIDER: S-EPMC4260031 | biostudies-literature | 2014 Nov

REPOSITORIES: biostudies-literature

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Publications

Predictors of adherence to repeat fecal occult blood test in a population-based colorectal cancer screening program.

Pornet C C Denis B B Perrin P P Gendre I I Launoy G G

British journal of cancer 20141014 11

<h4>Background</h4>Socio-economic, environmental factors and general practitioner (GP) involvement may influence adherence to repeat faecal occult blood testing (FOBT) of organised colorectal cancer (CRC) screening. The aim of the study was to identify predictors of adherence to repeat testing.<h4>Methods</h4>The populationcomprised people eligible for the third round of a CRC screening programme in a French district (n=118,905). Multilevel logistic regression analysis was performed to identify ...[more]

PMID: 25314056

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Project description:ObjectivesEffectiveness of fecal occult blood test (FOBT) for colorectal cancer (CRC) screening depends on annual testing, but little is known about patterns of repeat stool-based screening within different settings. Our study's objective was to characterize screening patterns and identify factors associated with repeat screening among patients who completed an index guaiac FOBT (gFOBT) or fecal immunochemical test (FIT).MethodsWe performed a multi-center retrospective cohort study among people who completed a FOBT between January 2010 and December 2011 to characterize repeat screening patterns over the subsequent 3 years. We studied at 4 large health care delivery systems in the United States. Logistic regression analyses were used to identify factors associated with repeat screening patterns. We included individuals aged 50-71 years who completed an index FOBT and had at least 3 years of follow-up. We excluded people with a history of CRC, colonoscopy within 10 years or flexible sigmoidoscopy within 5 years before the index test, or positive index stool test. Consistent screening was defined as repeat FOBT within every 15 months and inconsistent screening as repeat testing at least once during follow-up but less than consistent screening.ResultsAmong 959,857 eligible patients who completed an index FIT or gFOBT, 344,103 had three years of follow-up and met inclusion criteria. Of these, 46.6% had consistent screening, 43.4% inconsistent screening, and 10% had no repeat screening during follow-up. Screening patterns varied substantially across healthcare systems, with consistent screening proportions ranging from 1 to 54.3% and no repeat screening proportions ranging from 6.9 to 42.8%. Higher consistent screening proportions were observed in health systems with screening outreach and in-reach programs, whereas the safety-net health system, which uses opportunistic clinic-based screening, had the lowest consistent screening. Consistent screening increased with older age but was less common among racial/ethnic minorities and patients with more comorbidities.ConclusionsAdherence with annual FOBT screening is highly variable across healthcare delivery systems. Settings with more organized screening programs performed better than those with opportunistic screening, but evidence-based interventions are needed to improve CRC screening adherence in all settings.

Project description:BackgroundFecal occult blood test (FOBT)-based screening for colorectal cancer (CRC) reduces mortality, with earlier stage at diagnosis a prominent feature. Other characteristics of FOBT screen-detected cancers and any implications for clinical management have not been well explored.MethodsWe examined a multisite clinical registry to compare the characteristics and outcomes of FOBT screen-detected CRC via the Australian National Bowel Cancer Screening Program (NBCSP), which is offered biennially to individuals aged 50-74 years, and age-matched non-screen-detected CRC in the same registry. All statistical tests were 2-sided. Odds ratios (ORs) were calculated using the Baptista-Pike method, and hazard ratios via the log-rank method.ResultsOf 7153 registry patients diagnosed June 1, 2006, to June 30, 2020, 4142 (57.9%) were aged between 50 and 74 years. Excluding 406 patients with non-NBCSP screen-detected cancers and 35 patients with unknown method of detection, 473 (12.8%) were screen detected via the NBCSP, and 3228 (87.2%) were non-screen detected. Screen-detected patients were younger (mean age = 62.4 vs 64.2 years; P < .001) and more medically fit (OR for ASA score 1-2 = 1.91, 95% confidence interval [CI] = 1.51 to 2.41; P < .001). Pathologic characteristics within each stage favored the screen-detected patients. Stage III screen-detected colon cancers were more likely to receive adjuvant therapy (OR = 3.58, 95% CI = 1.52 to 8.36; P = .002). Screen-detected patients had superior relapse-free (hazard ratio = 0.41, 95% CI = 0.29 to 0.60; P < .001) and overall survival (hazard ratio = 0.22, 95% CI = 0.15 to 0.35; P < .001), which was maintained in matched stage comparisons and multivariable analysis.ConclusionsBeyond stage at diagnosis, multiple other factors associated with a favorable outcome are observed in FOBT screen-detected CRC. Given the substantial stage-by-stage differences in survival outcomes, if independently confirmed, individualized adjuvant therapy and surveillance strategies could be warranted for FOBT screen-detected cancers.

Project description:This study assessed the contribution of organizational structures and processes identified from facility surveys to follow-up for positive fecal occult blood tests [FOBT-positive (FOBT(+))].We identified 74,104 patients with FOBT(+) results from 98 Veterans Health Administration (VHA) facilities between August 16, 2009 and March 20, 2011, and followed them until September 30, 2011, for completion of colonoscopy. We identified patient characteristics from VHA administrative records, and organizational factors from facility surveys completed by primary care and gastroenterology chiefs. We estimated predictors of colonoscopy completion within 60 days and six months using hierarchical logistic regression models.Thirty percent of patients with FOBT(+) results received colonoscopy within 60 days and 49% within six months. Having gastroenterology or laboratory staff notify gastroenterology providers directly about FOBT(+) cases was a significant predictor of 60-day [odds ratio (OR), 1.85; P = 0.01] and six-month follow-up (OR, 1.25; P = 0.008). Additional predictors of 60-day follow-up included adequacy of colonoscopy appointment availability (OR, 1.43; P = 0.01) and frequent individual feedback to primary care providers about FOBT(+) referral timeliness (OR, 1.79; P = 0.04). Additional predictors of six-month follow-up included using guideline-concordant surveillance intervals for low-risk adenomas (OR, 1.57; P = 0.01) and using group appointments and combined verbal-written methods for colonoscopy preparation instruction (OR, 1.48; P = 0.0001).Directly notifying gastroenterology providers about FOBT(+) results, using guideline-concordant adenoma surveillance intervals, and using colonoscopy preparations instruction methods that provide both verbal and written information may increase overall follow-up rates. Enhancing follow-up within 60 days may require increased colonoscopy capacity and feedback to primary care providers.These findings may inform organizational-level interventions to improve FOBT(+) follow-up.

Dataset Information

Predictors of adherence to repeat fecal occult blood test in a population-based colorectal cancer screening program.

Background

Methods

Results

Conclusions

Publications

Predictors of adherence to repeat fecal occult blood test in a population-based colorectal cancer screening program.

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