Sample size calculation for a stepped wedge trial (Q26797481)

2

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author name string

Gareth Ambler

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James Hargreaves

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Emma Beard

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Rumana Z Omar

Creative Commons Attribution

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language of work or name

English

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publication date

2015

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17 August 2015

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19 September 2019

6 December 2020

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16

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issue

1

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page(s)

354

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copyright license

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19 September 2019

6 December 2020

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Designing a stepped wedge trial: three main designs, carry-over effects and randomisation approaches

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=4538764

Five questions to consider before conducting a stepped wedge trial

28 September 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=4538764

The stepped wedge cluster randomised trial: rationale, design, analysis, and reporting

28 September 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=4538764

Stepped-wedge cluster randomised controlled trials: a generic framework including parallel and multiple-level designs.

28 September 2017

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The prevention and reduction of weight loss in an acute tertiary care setting: protocol for a pragmatic stepped wedge randomised cluster trial (the PRoWL project).

28 September 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=4538764

Systematic review of stepped wedge cluster randomized trials shows that design is particularly used to evaluate interventions during routine implementation

28 September 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=4538764

The stepped wedge trial design: a systematic review.

28 September 2017

1 reference

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The design of simulation studies in medical statistics

28 September 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=4538764

Design and analysis of stepped wedge cluster randomized trials

28 September 2017

1 reference

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What you see may not be what you get: a brief, nontechnical introduction to overfitting in regression-type models

28 September 2017

1 reference

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Selected statistical issues in group randomized trials

28 September 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=4538764

Simple sample size calculation for cluster-randomized trials

28 September 2017

1 reference

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Calculation of power for matched pair studies when randomization is by group

28 September 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=4538764

Estimating the number of clusters for the analysis of correlated binary response variables from unbalanced data

28 September 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=4538764

Sample size formulae for intervention studies with the cluster as unit of randomization

28 September 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=4538764

Sample size requirements for stratified cluster randomization designs

31 May 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=4538764

Aspects of statistical design for the community intervention trial for smoking cessation (COMMIT)

31 May 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=4538764

Randomization by cluster. Sample size requirements and analysis

31 May 2018

1 reference

https://api.crossref.org/works/10.1186%2FS13063-015-0840-9

Sample size and power determination for clustered repeated measurements

21 January 2018

1 reference

https://api.crossref.org/works/10.1186%2FS13063-015-0840-9

Stepped wedge designs could reduce the required sample size in cluster randomized trials

21 January 2018

1 reference

https://api.crossref.org/works/10.1186%2FS13063-015-0840-9

Quasi-experimental designs in practice-based research settings: design and implementation considerations

21 January 2018

1 reference

https://api.crossref.org/works/10.1186%2FS13063-015-0840-9

Sample size determination through power simulation; practical lessons from a stepped wedge cluster randomised trial (SW CRT).

21 January 2018

1 reference

https://api.crossref.org/works/10.1186%2FS13063-015-0840-9

Sample size and power calculations for medical studies by simulation when closed form expressions are not available

21 January 2018

1 reference

https://api.crossref.org/works/10.1186%2FS13063-015-0840-9

A community intervention to prevent traffic accidents among bicycle commuters

21 January 2018

1 reference

https://api.crossref.org/works/10.1186%2FS13063-015-0840-9

The stepped wedge cluster randomized trial always requires fewer clusters but not always fewer measurements, that is, participants than a parallel cluster randomized trial in a cross-sectional design. In reply.

21 January 2018

1 reference

https://api.crossref.org/works/10.1186%2FS13063-015-0840-9

The stepped wedge design does not inherently have more power than a cluster randomized controlled trial

21 January 2018

1 reference

https://api.crossref.org/works/10.1186%2FS13063-015-0840-9

Parable of Two Agencies, One of Which Randomizes

21 January 2018

1 reference

https://api.crossref.org/works/10.1186%2FS13063-015-0840-9

Sample size for cluster randomized trials: effect of coefficient of variation of cluster size and analysis method

21 January 2018

1 reference

https://api.crossref.org/works/10.1186%2FS13063-015-0840-9

Statistical design of THRio: a phased implementation clinic-randomized study of a tuberculosis preventive therapy intervention

21 January 2018

1 reference

https://api.crossref.org/works/10.1186%2FS13063-015-0840-9

Stepped wedge cluster randomized trials are efficient and provide a method of evaluation without which some interventions would not be evaluated

21 January 2018

1 reference

PubMed

https://pubmed.ncbi.nlm.nih.gov/26282553

12 December 2020

inferred from PubMed ID database lookup

A stepped wedge cluster randomized trial is preferable for assessing complex health interventions

1 reference

PubMed

https://pubmed.ncbi.nlm.nih.gov/26282553

12 December 2020

inferred from PubMed ID database lookup

Methods to reduce the impact of intraclass correlation in group-randomized trials

1 reference

PubMed

https://pubmed.ncbi.nlm.nih.gov/26282553

12 December 2020

inferred from PubMed ID database lookup

Stepped wedge randomised controlled trials: systematic review of studies published between 2010 and 2014

1 reference

https://api.crossref.org/works/10.1186%2FS13063-015-0840-9

7 January 2021

inferred from DOI database lookup

Identifiers

DOI

10.1186/S13063-015-0840-9

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Dimensions Publication ID

1862466

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9 September 2019

https://scigraph.springernature.com/pub.10.1186/s13063-015-0840-9

1862466

1 reference

1 reference

1 reference