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Biobank attributes associated with higher patient participation: a randomized study.

ABSTRACT: The objectives of the study were to assess patients' intent to participate in a hospital-based biobank and to explore the factors associated with higher participation. A 23-item questionnaire was developed to survey a random sample of patients in a Swiss university hospital. Two vignettes describing hypothetical biobanks were incorporated in the survey and patients were asked whether they would agree to participate. Three factors were randomly manipulated in each vignette using a factorial design: cancer-oriented research vs general consent, one vs several reviews of the patient's chart, and genetic vs blood protein analyses (first vignette); blood sample vs oral swabbing, local vs international project, and a follow-up visit vs no visit (second vignette). Of the 1140 respondents, 73.6 and 69.6%, respectively, agreed to participate in the biobank. Biospecimen collection via oral swabbing, single chart review, and no follow-up were associated with higher participation. Participation was also higher among younger patients, Europeans, patients who had a positive opinion on research, and blood/organ donors. Biobanking was supported by a majority of patients, especially if biospecimens were collected through non-invasive techniques or if data collection was done once. The scope of consent, the scale of the project, or the tests performed on biospecimens did not influence participation.

SUBMITTER: Gayet-Ageron A

PROVIDER: S-EPMC5159767 | biostudies-literature | 2016 Jan

REPOSITORIES: biostudies-literature

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Biobank attributes associated with higher patient participation: a randomized study.

Gayet-Ageron Angèle A Rudaz Sandrine S Perneger Thomas T

European journal of human genetics : EJHG 20160101 1

The objectives of the study were to assess patients' intent to participate in a hospital-based biobank and to explore the factors associated with higher participation. A 23-item questionnaire was developed to survey a random sample of patients in a Swiss university hospital. Two vignettes describing hypothetical biobanks were incorporated in the survey and patients were asked whether they would agree to participate. Three factors were randomly manipulated in each vignette using a factorial desig ...[more]

PMID: 27703145

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Project description:Background: Recent studies have shown that bile acids are essential in irritable bowel syndrome (IBS) pathology, and cholecystectomy has direct effects on bile acid metabolism. However, whether cholecystectomy increases the risk of IBS remains unclear. We aimed to investigate the association between cholecystectomy and IBS risk in the UK Biobank (UKB). Methods: This study is a prospective analysis of 413,472 participants who were free of IBS, inflammatory bowel disease, cancer, or common benign digestive tract diseases. We identified incidents of IBS through self-reporting or links to primary healthcare and hospitalization data. We evaluated hazard ratios (HRs) adjusted for sociodemographic characteristics, health behaviours, comorbidities, and medications. Results: During a median follow-up period of 12.7 years, we observed 15,503 new cases of IBS. Participants with a history of cholecystectomy had a 46% higher risk of IBS than those without (HR = 1.46, 95% CI: 1.32-1.60), and further subtype analysis showed that the risk of IBS with diarrhoea was significantly higher than the risk of IBS without diarrhoea (HR = 1.71, 95% CI: 1.30-2.25 vs. HR = 1.42, 95% CI: 1.28-1.58). The overall covariate-adjusted HRs for IBS were similar between the group with both cholecystectomy and gallstones (HR = 1.45, 95% CI: 1.32-1.58) and the group with cholecystectomy without gallstones (HR = 1.50, 95% CI: 1.36-1.67) when the group without both cholecystectomy and gallstones was used as a reference. The overall covariate-adjusted HR was not significantly different in the group without cholecystectomy with gallstones (HR = 1.18, 95% CI: 0.95-1.47). The positive association of cholecystectomy with IBS risk did not change when stratifying the data based on age, sex, BMI, smoking, alcohol consumption, healthy diet, quality sleep, physical activity, type 2 diabetes, hypertension, hyperlipidaemia, mental illness, NSAID intake, or acid inhibitor intake. Sensitivity analyses, including propensity score matching analysis and lagging the exposure for two or four years, indicated that the effects were robust. Conclusion: Cholecystectomy was associated with a higher risk of IBS, especially IBS with diarrhoea. Additional prospective randomized controlled and experimental studies are warranted to further validate the association and to explore the relevant biological mechanisms.

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Biobank attributes associated with higher patient participation: a randomized study.

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Biobank attributes associated with higher patient participation: a randomized study.

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