[PDF] Top 20 Baseline testing in cluster randomised controlled trials: should this be done?
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Baseline testing in cluster randomised controlled trials: should this be done?
... The cluster trial by Brinkman et al. [11] evaluated the role of infant simulators to prevent teenage pregnancies. In the trial 57 schools from Western Australia were allocated using simple randomisation, via a ... See full document
6
Sample size calculations for cluster randomised controlled trials with a fixed number of clusters
... The existing literature on sample size formulae for CRCTs focuses largely on the case where there is no limit on the number of available clusters [3-5,11,12]. Whilst it is well known that the statistical power that can ... See full document
11
Quantity, topics, methods and findings of randomised controlled trials published by German university departments of general practice – systematic review
... Many cluster-randomised trials were logistically com- plex and associated with high risk of bias (Table ...some trials this did not result in obvious imbalances, in others the number of ... See full document
10
Study protocol: a randomised controlled trial testing the effectiveness of ‘Op Volle Kracht’ in Dutch residential care
... The hypotheses will be tested with mixed effects linear regression analyses in Mplus6. Because adolescents are nested within groups and groups are nested within loca- tions, a three-level analysis is most appropriate to ... See full document
9
Quality of reporting of outcomes in phase III studies of pulmonary tuberculosis: a systematic review
... for randomised controlled trials, or quasi-randomised trials meeting the following inclusion criteria: trials including patients with smear- and culture-positive pulmonary ... See full document
7
Methodological bias in cluster randomised trials
... Cluster randomised trials are potentially more susceptible to some forms of bias than individually randomised ...some cluster ran- domised ...in cluster trials by ... See full document
9
Economic evaluation of a childhood obesity prevention programme for children : results from the WAVES cluster randomised controlled trial conducted in schools
... was done separately for costs and outcomes as the reasons for missing data ...deprivation, baseline total energy consumption, baseline physical activity energy expenditure) and cluster ... See full document
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Interventions to reduce dependency in personal activities of daily living in community dwelling adults who use homecare services: protocol for a systematic review
... (randomised controlled trials, nonrandomised controlled trials, and controlled before and after studies) developed by the Cochrane Effective Practice and Organisation of Care ... See full document
7
Testing for baseline differences in randomized controlled trials: an unhealthy research behavior that is hard to eradicate
... in testing for baseline differences to determine whether real or important differences occur, should be seen in light of the difference between meaningful and statistically significant (detectable) ... See full document
8
Muslim communities learning about second-hand smoke (MCLASS): Study protocol for a pilot cluster randomised controlled trial
... The sample size of a cluster trial depends on the number of clusters, cluster size and variation. Therefore, this study aims to determine the ICC and rates of recruitment and attrition in order to compute ... See full document
11
Muslim communities learning about second hand smoke (MCLASS): study protocol for a pilot cluster randomised controlled trial
... The sample size of a cluster trial depends on the number of clusters, cluster size and variation. Therefore, this study aims to determine the ICC and rates of recruitment and attrition in order to compute ... See full document
11
Choosing an imbalance metric for covariate constrained randomization in multiple arm cluster randomized trials
... In cluster-randomized controlled trials (C-RCTs), the clustered nature of intervention and data present added statistical and logistical complexities, suggesting the re- quirement for even more ... See full document
10
Intra cluster and inter period correlation coefficients for cross sectional cluster randomised controlled trials for type 2 diabetes in UK primary care
... that should be used to model ICCs in situa- tions in which the outcome is binary [35, 52, 54], and there are numerous cases in which previous authors have correctly estimated ICCs for binary outcomes using linear ... See full document
12
Systematic review of universal resilience interventions targeting child and adolescent mental health in the school setting: review protocol
... be randomised (including cluster-randomised) controlled trials of universal interventions explicitly described as resilience-focussed or comprising strategies to strengthen a minimum of ... See full document
8
Protocol of the Low Birth Weight South Asia Trial (LBWSAT), a cluster randomised controlled trial testing impact on birth weight and infant nutrition of Participatory Learning and Action through women’s groups, with and without unconditional transfers of fortified food or cash during pregnancy in Nepal
... per cluster will have participated by 31 Mar 2015 when birth weight measurement ceased and 210 by 20 Jun 2015 when nutrition endpoint follow-up ...per cluster born before clinics began on 20 June 2015 (70 % ... See full document
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Effectiveness of a complex intervention to improve participation and activities in nursing home residents with joint contractures (JointConEval): study protocol of a multicentre cluster randomised controlled trial [DRKS ID:DRKS00015185]
... ical Trials Register (DRKS) under the ID DRKS00015185 before any study participants were ...Interventional Trials (SPIRIT) statement [21, 60] and applicable criteria from the template for intervention ... See full document
15
Changing cluster composition in cluster randomised controlled trials: design and analysis considerations
... of cluster merging is low, it is not obvious how RCT conduct and analysis should be handled when clusters do ...as randomised or (3) analyse the clusters as a new merged ...the cluster merges, ... See full document
13
School based interventions versus family based interventions in the treatment of childhood obesity- a systematic review
... which should be acknowledged. The selections of trials were based on eligibility criteria which limited publications to those that met the eligibility criteria between the years 2001 and ... See full document
17
Podiatry interventions in the rheumatoid foot
... Methods: The databases were searched from 1984 to June 2004 and for inclusion, studies were randomised controlled trials and controlled clinical trials, case controlled studies, cohort s[r] ... See full document
7
Safety of intravitreal bevacizumab as a monotherapy in ophthalmic conditions:systematic review
... Data extraction and quality assessment were performed independently by one reviewer. Disagreements were resolved by discussion with a second reviewer and if agreement could not be reached, a third reviewer was consulted. ... See full document
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