Two simple strategies (adding a logo or a senior faculty's signature) failed to improve patient participation rates in a cohort study: randomized trial

Wonderen, Karina E. van; Mohrs, Jacob; IJff, Machteld; Bindels, Patrick J E; Riet, Gerben ter

doi:10.1016/j.jclinepi.2008.05.008

Cited by 6 publications

(6 citation statements)

References 11 publications

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“…The questionnaires were comprehensive, but as the length of questionnaires does not influence response rates , it is unlikely that this comprehensiveness influenced the results. Generic appearing questionnaires were used, which should not have been a problem because the addition of a sense of authority to the presentation of the questionnaire via the printing of logos and the addition of signatures does not improve response rates . Alternatively, Internet‐based surveys might seem appropriate, but they have been found to produce lower response rates than paper surveys .…”

Section: Discussionmentioning

confidence: 99%

Oral mixing ability and cognition in elderly persons with dementia: A cross‐sectional study

Weijenberg

Lobbezoo

Visscher

et al. 2015

J of Oral Rehabilitation

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Masticatory performance has been positively associated with cognitive ability in both animals and healthy humans. We hypothesised that there would also be a positive correlation between masticatory performance and cognition in older persons suffering from dementia. Older persons suffering from dementia (n = 114) and receiving institutionalised care were studied in a cross-sectional design. The assessments included masticatory performance, which was measured objectively with a two-colour gum mixing ability test, and cognition, which was assessed with a multidomain neuropsychological test battery. Significant relationships were observed between masticatory performance and general cognition and between masticatory performance and verbal fluency. Hierarchical regression analysis revealed that the correlation with general cognition was influenced by the scores for dependency in activities of daily living. The association between verbal fluency and masticatory performance was not significantly affected by secondary variables. An unexpected limitation of this study was the high dropout rate for the mixing ability test. The clinical implications of these findings are profound; care professionals should endeavour to maintain and stimulate mastication in older persons with dementia in an attempt to preserve cognition.

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Section: Discussionmentioning

confidence: 99%

Oral mixing ability and cognition in elderly persons with dementia: A cross‐sectional study

Weijenberg

Lobbezoo

Visscher

et al. 2015

J of Oral Rehabilitation

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“…This decision can be influenced by (1) the burden that participation entails for the patient (through follow-up visits, additional tests, or questionnaires); (2) understanding or acceptability of research methods (randomization or use of placebo controls [21e23]); (3) perceived conflict of interest for the investigators (origin of funding, public availability of study results, and clinical vs. economical purpose of the study [20,24]); and (4) conformity with best research practices (adequate patient information and oversight by ethics committee [25]). Understanding how such study features influence willingness to participate is critical because most strategies to improve recruitment yield modest or inconsistent results [5,26].…”

Section: Introductionmentioning

confidence: 99%

Study design attributes influenced patients' willingness to participate in clinical research: a randomized vignette-based study

Agoritsas¹,

Deom²,

Perneger³

2011

Journal of Clinical Epidemiology

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“…The outcomes were chosen to mirror the aims of the intervention: the overall attendance rate and the attendance of people at risk for lung impairment.Our recruitment strategy is to reach the citizens in three different ways: by webpage, leaflet, and invitation letter in a randomized controlled design. Prior studies have shown an increase in attendance by enhancing invitation material [9, 11, 12, 38]. Therefore, we expect an increase in the attendance of 5 percentage points, and we also expect that more people at risk will attend.…”

Section: Discussionmentioning

confidence: 76%

“…Calculations are further based on the objective of being able to detect a difference of 5 percentage points in effect size based on an attendance rate of 53–58%. The investigators determined this 5 percentage point difference to be clinically meaningful based on expert opinion [7–9, 34] and based on the run-in period where the participation rate was 53%. Also, an increase of 5 percentage points would deliver clinically meaningful benefit if scaled in a nationwide program.…”

Section: Methodsmentioning

confidence: 99%

“…Sallis et al compared an enhanced invitation letter applying behavioral insights with a standard invitation letter and found a difference in the participation rate from 29.3% to 33.5% [8]. Van Wonderen et al found that neither the rank of the individual signing a subsequent detailed information letter nor the use of an official funding agency logo on the study’s initial invitation made an impact on patient attendance [9]. Finally Martinson et al showed a difference in response rate from 55% to 69% using monetary incentives for recruiting adolescents to a trial focusing on smoking cessation [10].…”

Section: Introductionmentioning

confidence: 99%

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Effect on attendance by including focused information on spirometry in preventive health checks: study protocol for a randomized controlled trial

Ørts

Løkke

Bjerregaard

et al. 2016

Trials

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BackgroundEarly detection of lung diseases can help to reduce their severity. Lung diseases are among the most frequently occurring and serious diseases worldwide; nonetheless, many patients remain undiagnosed. Preventive health checks including spirometry can detect lung diseases at early stages; however, recruitment for health checks remains a challenge, and little is known about what motivates the attendance.The aim of the study is to examine whether focused information on spirometry in the invitation compared to general information will impact the attendance rate in preventive health checks.Methods/designThis randomized, controlled trial tests the effect of information on spirometry embedded in the Check your Health Preventive Program (CHPP). The CHPP is an open-label, household cluster-randomized, controlled trial offering a preventive health check to 30- to –49-year-olds in a Danish municipality from 2012 to 2017 (n = 26,216). During 2015–2016, 4356 citizens aged 30–49 years will be randomized into two groups. The intervention group receives an invitation which highlights the value and contents of spirometry as part of a health check and information about lung diseases. The comparison group receives a standard invitation containing practical information and specifies the contents of the general health check.Outcomes are (1) differences in attendance rates measured by the proportion of citizens attending each of the two study groups and (2) proportion of persons at risk defined by smoking status and self-reported lung symptoms in the study groups. The proportion of participants with abnormal spirometry assessed at the preventive health check will be compared between the two study groups.DiscussionThe results from the present study will inform future recruitment strategies to health checks. The developed material on content, value, and information about lung disease is feasible and transferable to other populations, making it easy to implement if effective.Trial registrationClinicalTrials.gov: NCT02615769. Registered on 25 November 2015.Electronic supplementary materialThe online version of this article (doi:10.1186/s13063-016-1704-7) contains supplementary material, which is available to authorized users.

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Two simple strategies (adding a logo or a senior faculty's signature) failed to improve patient participation rates in a cohort study: randomized trial

Cited by 6 publications

References 11 publications

Oral mixing ability and cognition in elderly persons with dementia: A cross‐sectional study

Oral mixing ability and cognition in elderly persons with dementia: A cross‐sectional study

Study design attributes influenced patients' willingness to participate in clinical research: a randomized vignette-based study

Effect on attendance by including focused information on spirometry in preventive health checks: study protocol for a randomized controlled trial

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