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Volumn 16, Issue 1, 2015, Pages

Sample size calculation for a stepped wedge trial

Author keywords

Sample size calculations; Simulation based methods; Stepped wedge design

Indexed keywords

ANALYTIC METHOD; ARTICLE; CALCULATION; CLINICAL STUDY; CLUSTER ANALYSIS; CLUSTERED RANDOMISED CLINICAL TRIAL; COHORT ANALYSIS; COMPARATIVE STUDY; CONTROLLED STUDY; CROSS-SECTIONAL STUDY; DATA PROCESSING; MATHEMATICAL ANALYSIS; METHODOLOGY; POWER ANALYSIS; PROCESS MODEL; SAMPLE SIZE; SAMPLING; SIMULATION; STATISTICAL PARAMETERS; STEPPED WEDGE TRIAL; STUDY DESIGN; TIME EFFECT; COMPUTER SIMULATION; HUMAN; PATIENT SELECTION; PROCEDURES; RANDOMIZED CONTROLLED TRIAL (TOPIC); STATISTICAL ANALYSIS; STATISTICAL MODEL; STATISTICS AND NUMERICAL DATA; TIME FACTOR;

EID: 84939425277     PISSN: None     EISSN: 17456215     Source Type: Journal    
DOI: 10.1186/s13063-015-0840-9     Document Type: Article
Times cited : (118)

References (43)
  • 1
    • 0004227725 scopus 로고    scopus 로고
    • The design and analysis of group randomised trials
    • Oxford, UK: Oxford University Press
    • Murray D. The design and analysis of group randomised trials. Oxford, UK: Oxford University Press; 1998.
    • (1998)
    • Murray, D.1
  • 2
    • 0026517070 scopus 로고
    • Aspects of statistical design for the Community Intervention Trial for Smoking Cessation (COMMIT)
    • Gail M, Byar D, Pechacek T, Corle D. Aspects of statistical design for the Community Intervention Trial for Smoking Cessation (COMMIT). Control Clin Trials. 1992; 13:6-21.
    • (1992) Control Clin Trials , vol.13 , pp. 6-21
    • Gail, M.1    Byar, D.2    Pechacek, T.3    Corle, D.4
  • 3
    • 0020078306 scopus 로고
    • Randomization by cluster: sample size requirements and analysis
    • Donner A, Birkett N, Buck C. Randomization by cluster: sample size requirements and analysis. Am J Epidemiol. 1981; 114:906-14.
    • (1981) Am J Epidemiol , vol.114 , pp. 906-914
    • Donner, A.1    Birkett, N.2    Buck, C.3
  • 4
    • 0026539350 scopus 로고
    • Sample size requirements for stratified cluster randomization designs
    • Donner A. Sample size requirements for stratified cluster randomization designs. Stat Med. 1992; 11:743-50.
    • (1992) Stat Med , vol.11 , pp. 743-750
    • Donner, A.1
  • 5
    • 0026553612 scopus 로고
    • Estimating the number of clusters for the analysis of correlated binary response variables from unbalanced data
    • Shoukri M, Martin S. Estimating the number of clusters for the analysis of correlated binary response variables from unbalanced data. Stat Med. 1992; 11:751-60.
    • (1992) Stat Med , vol.11 , pp. 751-760
    • Shoukri, M.1    Martin, S.2
  • 6
    • 0024390284 scopus 로고
    • Calculation of power for matched pair studies when randomization is by group
    • Shipley M, Smith P, Dramaix M. Calculation of power for matched pair studies when randomization is by group. Int J Epidemiol. 1989; 18:457-61.
    • (1989) Int J Epidemiol , vol.18 , pp. 457-461
    • Shipley, M.1    Smith, P.2    Dramaix, M.3
  • 7
    • 0023776023 scopus 로고
    • Sample size formulae for intervention studies with the cluster as unit of randomization
    • Hsieh F. Sample size formulae for intervention studies with the cluster as unit of randomization. Stat Med. 1988; 8:1195-201.
    • (1988) Stat Med , vol.8 , pp. 1195-1201
    • Hsieh, F.1
  • 8
    • 0003774549 scopus 로고    scopus 로고
    • Design and analysis of cluster randomisation trials in health research
    • London, UK: Arnold
    • Donner A, Klar N. Design and analysis of cluster randomisation trials in health research. London, UK: Arnold; 2000.
    • (2000)
    • Donner, A.1    Klar, N.2
  • 9
    • 0037198998 scopus 로고    scopus 로고
    • Sample size and power determination for clustered repeated measurements
    • Liu A, Shih W, Gehan E. Sample size and power determination for clustered repeated measurements. Stat Med. 2002; 21:1787-801.
    • (2002) Stat Med , vol.21 , pp. 1787-1801
    • Liu, A.1    Shih, W.2    Gehan, E.3
  • 10
    • 84939266319 scopus 로고    scopus 로고
    • Five questions to consider before conducting a stepped wedge trial
    • Trials
    • Hargreaves J, Copas A, Beard E, Osrin D, Lewis J, Davey C, et al.Five questions to consider before conducting a stepped wedge trial. Trials. 2015.
    • (2015)
    • Hargreaves, J.1    Copas, A.2    Beard, E.3    Osrin, D.4    Lewis, J.5    Davey, C.6
  • 11
    • 84939444464 scopus 로고    scopus 로고
    • Stepped wedge randomised controlled trials: systematic review
    • Trials
    • Beard E, Lewis J, Prost A, Copas A, Davey C, Osrin D, et al.Stepped wedge randomised controlled trials: systematic review. Trials. 2015.
    • (2015)
    • Beard, E.1    Lewis, J.2    Prost, A.3    Copas, A.4    Davey, C.5    Osrin, D.6
  • 12
    • 33751175451 scopus 로고    scopus 로고
    • The stepped wedge trial design: a systematic review
    • Brown C, Lilford R. The stepped wedge trial design: a systematic review. BMC Med Res Methodol. 2006; 6:54.
    • (2006) BMC Med Res Methodol , vol.6 , pp. 54
    • Brown, C.1    Lilford, R.2
  • 13
    • 79960837223 scopus 로고    scopus 로고
    • Systematic review of stepped wedge cluster randomised trials shows that design is particularly used to evaluate interventions during routine implementation
    • Mdege N, Man M, Brown C, Torgersen D. Systematic review of stepped wedge cluster randomised trials shows that design is particularly used to evaluate interventions during routine implementation. J Clin Epidemiol. 2011; 64:936-48.
    • (2011) J Clin Epidemiol , vol.64 , pp. 936-948
    • Mdege, N.1    Man, M.2    Brown, C.3    Torgersen, D.4
  • 14
    • 33845574387 scopus 로고    scopus 로고
    • Design and analysis of stepped wedge cluster randomised trials
    • Hussey M, Hughes J. Design and analysis of stepped wedge cluster randomised trials. Contemporary Clin Trials. 2007; 28:182-91.
    • (2007) Contemporary Clin Trials , vol.28 , pp. 182-191
    • Hussey, M.1    Hughes, J.2
  • 16
    • 34249295234 scopus 로고    scopus 로고
    • Statistical design of THRio: a phased implementation clinic-randomized study of a tuberculosis preventive therapy intervention
    • Moulton L, Golub J, Burovni B, Cavalcante S, Pacheco A, Saraceni V, et al.Statistical design of THRio: a phased implementation clinic-randomized study of a tuberculosis preventive therapy intervention. Clin Trials. 2007; 4:190-9.
    • (2007) Clin Trials , vol.4 , pp. 190-199
    • Moulton, L.1    Golub, J.2    Burovni, B.3    Cavalcante, S.4    Pacheco, A.5    Saraceni, V.6
  • 17
    • 84916204817 scopus 로고    scopus 로고
    • Stepped-wedge cluster randomised controlled trials: a generic framework including parallel and multiple-level design
    • Hemming K, Lilford R, Girling A. Stepped-wedge cluster randomised controlled trials: a generic framework including parallel and multiple-level design. Stat Med. 2015 Jan 30; 34(2):181-196.
    • (2015) Stat Med. , vol.34 , Issue.2 , pp. 181-196
    • Hemming, K.1    Lilford, R.2    Girling, A.3
  • 18
    • 84929484635 scopus 로고    scopus 로고
    • The stepped wedge cluster randomised trial: rationale, design, analysis and reporting
    • Hemming K, Haines T, Chilton A, Girling A, Lilford R. The stepped wedge cluster randomised trial: rationale, design, analysis and reporting. Br Med J. 2015 Feb 6; 350:h391. doi:10.1136/bmj.h391.
    • (2015) Br Med J , vol.350 , pp. h391
    • Hemming, K.1    Haines, T.2    Chilton, A.3    Girling, A.4    Lilford, R.5
  • 19
    • 80052896522 scopus 로고    scopus 로고
    • Quasi-experimental designs in practice-based research settings: design and implementation considerations
    • Handley M, Schillinger D, Shiboski S. Quasi-experimental designs in practice-based research settings: design and implementation considerations. J Am Board Fam Med. 2011; 24(5):589-96.
    • (2011) J Am Board Fam Med , vol.24 , Issue.5 , pp. 589-596
    • Handley, M.1    Schillinger, D.2    Shiboski, S.3
  • 20
    • 85001038122 scopus 로고    scopus 로고
    • A menu-driven facility for power and detectable-difference calculations in stepped-wedge cluster-randomized trials
    • Hemming K, Girling A. A menu-driven facility for power and detectable-difference calculations in stepped-wedge cluster-randomized trials. Stat J. 2014;14(2):363-380.
    • (2014) Stat J. , vol.14 , Issue.2 , pp. 363-380
    • Hemming, K.1    Girling, A.2
  • 21
    • 84899623960 scopus 로고    scopus 로고
    • Stata 13 base reference Manual
    • College Station, TX: Stata Press
    • StataCorp. Stata 13 base reference Manual. College Station, TX: Stata Press; 2013. http://www.stata.com/ .
    • (2013)
  • 22
    • 84939295595 scopus 로고    scopus 로고
    • Designing a stepped wedge trial: three main designs, carry-over effects and randomisation approaches
    • Trials
    • Copas A, Lewis J, Thompson J, Davey C, Fielding K, Baio G, et al.Designing a stepped wedge trial: three main designs, carry-over effects and randomisation approaches. Trials. 2015.
    • (2015)
    • Copas, A.1    Lewis, J.2    Thompson, J.3    Davey, C.4    Fielding, K.5    Baio, G.6
  • 23
    • 0032890970 scopus 로고    scopus 로고
    • Simple sample size calculations for cluster randomised trials
    • Hayes R, Bennett S. Simple sample size calculations for cluster randomised trials. Int J Epidemiol. 1999; 28:319-26.
    • (1999) Int J Epidemiol , vol.28 , pp. 319-326
    • Hayes, R.1    Bennett, S.2
  • 24
    • 84939434053 scopus 로고    scopus 로고
    • Sample size determination through power simulation; practical lessons from a stepped wedge cluster randomised trial (SW CRT)
    • Dimairo M, Bradburn M, Walters S. Sample size determination through power simulation; practical lessons from a stepped wedge cluster randomised trial (SW CRT). Trials. 2011; 12(1):26.
    • (2011) Trials , vol.12 , Issue.1 , pp. 26
    • Dimairo, M.1    Bradburn, M.2    Walters, S.3
  • 25
    • 33845601607 scopus 로고    scopus 로고
    • Data analysis using regression and multilevel/hierarchical models
    • Cambridge, UK: Cambridge University Press
    • Gelman A, Hill J. Data analysis using regression and multilevel/hierarchical models. Cambridge, UK: Cambridge University Press; 2006.
    • (2006)
    • Gelman, A.1    Hill, J.2
  • 26
    • 33845891920 scopus 로고    scopus 로고
    • The design of simulation studies in medical statistics
    • Burton A, Altman D, Royston P, Holder R. The design of simulation studies in medical statistics. Stat Med. 2006; 25:4279-292.
    • (2006) Stat Med , vol.25 , pp. 4279-4292
    • Burton, A.1    Altman, D.2    Royston, P.3    Holder, R.4
  • 27
    • 84878507709 scopus 로고    scopus 로고
    • Sample size and power calculations for medical studies by simulation when closed form expressions are not available
    • Landau S, Stahl S. Sample size and power calculations for medical studies by simulation when closed form expressions are not available. Stat Methods Med Res. 2013; 22(3):324-45.
    • (2013) Stat Methods Med Res , vol.22 , Issue.3 , pp. 324-345
    • Landau, S.1    Stahl, S.2
  • 28
    • 84881153411 scopus 로고    scopus 로고
    • 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)
    • BMC Health Serv Res
    • Kitson A, Schultz T, Long L, Shanks A, Wiechula R, Chapman I, et al.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). BMC Health Serv Res. 2013;13(299). http://www.biomedcentral.com/1472-6963/13/2 .
    • (2013) , vol.13 , Issue.299
    • Kitson, A.1    Schultz, T.2    Long, L.3    Shanks, A.4    Wiechula, R.5    Chapman, I.6
  • 29
    • 84896389878 scopus 로고    scopus 로고
    • Does a multidisciplinary nutritional intervention prevent nutritional decline in hospital patients? A stepped wedge randomised cluster trial
    • Schultz T, Kitson A, Soenen S, Long L, Shanks A, Wiechula R, Chapman I, Lange K. Does a multidisciplinary nutritional intervention prevent nutritional decline in hospital patients? A stepped wedge randomised cluster trial. e-SPEN J. 2014; 9(2):84-90.
    • (2014) e-SPEN J , vol.9 , Issue.2 , pp. 84-90
    • Schultz, T.1    Kitson, A.2    Soenen, S.3    Long, L.4    Shanks, A.5    Wiechula, R.6    Chapman, I.7    Lange, K.8
  • 31
    • 0012863523 scopus 로고    scopus 로고
    • Bayesian approaches to clinical trials and health-care evaluation
    • London, UK: Wiley and Sons
    • Spiegelhalter D, Abrams K, Myles J. Bayesian approaches to clinical trials and health-care evaluation. London, UK: Wiley and Sons; 2004.
    • (2004)
    • Spiegelhalter, D.1    Abrams, K.2    Myles, J.3
  • 32
    • 84882926137 scopus 로고    scopus 로고
    • Stepped wedge cluster randomized trials are efficient and provide a method of evaluation without which some interventions would not be evaluated
    • Hemming K, Girling A, Martin J, Bond S. Stepped wedge cluster randomized trials are efficient and provide a method of evaluation without which some interventions would not be evaluated. J Clin Epidemiol. 2013; 66(9):1058-9.
    • (2013) J Clin Epidemiol , vol.66 , Issue.9 , pp. 1058-1059
    • Hemming, K.1    Girling, A.2    Martin, J.3    Bond, S.4
  • 33
    • 0002311977 scopus 로고
    • Issues of design and analysis of surveys across time
    • Duncan G, Kalton G. Issues of design and analysis of surveys across time. Int Stat Rev. 1987; 55:97-117.
    • (1987) Int Stat Rev , vol.55 , pp. 97-117
    • Duncan, G.1    Kalton, G.2
  • 34
    • 84914179053 scopus 로고    scopus 로고
    • R: a language and environment for statistical computing
    • Vienna, Austria: R Foundation for Statistical Computing
    • R Core Team. R: a language and environment for statistical computing. Vienna, Austria: R Foundation for Statistical Computing; 2014. http://www.R-project.org .
    • (2014)
  • 35
    • 84939432214 scopus 로고    scopus 로고
    • Sample size determination in cluster randomized stepped wedge designs
    • de Hoop E, Teerenstra S. Sample size determination in cluster randomized stepped wedge designs; 2013. http://multilevel.fss.uu.nl/files/2012/06/Abstract-Esther-de-Hoop-ML-conference-2013.pdf .
    • (2013)
    • de Hoop, E.1    Teerenstra, S.2
  • 36
    • 0037315406 scopus 로고    scopus 로고
    • Methods to reduce the impact of intraclass correlation in group-randomised trials
    • Murrey D, Blitstein J. Methods to reduce the impact of intraclass correlation in group-randomised trials. Eval Rev. 2013; 27(1):79-103.
    • (2013) Eval Rev , vol.27 , Issue.1 , pp. 79-103
    • Murrey, D.1    Blitstein, J.2
  • 37
    • 84902545002 scopus 로고    scopus 로고
    • A stepped wedge cluster randomized trial is preferable for assessing complex health interventions
    • Keriel-Gascou M, Buchet-Poyau K, Rabilloud M, Duclos A, Colin C. A stepped wedge cluster randomized trial is preferable for assessing complex health interventions. J Clin Epidemiol. 2014; 67(7):831-3.
    • (2014) J Clin Epidemiol , vol.67 , Issue.7 , pp. 831-833
    • Keriel-Gascou, M.1    Buchet-Poyau, K.2    Rabilloud, M.3    Duclos, A.4    Colin, C.5
  • 38
    • 84883473160 scopus 로고    scopus 로고
    • The stepped wedge cluster randomised trial always requires fewer clusters but not always fewer measurements, that is. participants than a parallel cluster randomised trial in a cross-sectional design
    • de Hoop E, Woertman W, Teerenstra S. The stepped wedge cluster randomised trial always requires fewer clusters but not always fewer measurements, that is. participants than a parallel cluster randomised trial in a cross-sectional design. J Cli Epidemiol. 2013; 66:1428.
    • (2013) J Cli Epidemiol , vol.66 , pp. 1428
    • de Hoop, E.1    Woertman, W.2    Teerenstra, S.3
  • 39
    • 84882746584 scopus 로고    scopus 로고
    • The stepped wedge design does not inherently have more power than a cluster randomized controlled trial
    • Kotz D, Spigt M, Arts I, Crutzen R, Viechtbauer W. The stepped wedge design does not inherently have more power than a cluster randomized controlled trial. J Clin Epidemiol. 2013; 66(9):1059-60.
    • (2013) J Clin Epidemiol , vol.66 , Issue.9 , pp. 1059-1060
    • Kotz, D.1    Spigt, M.2    Arts, I.3    Crutzen, R.4    Viechtbauer, W.5
  • 42
    • 2442695245 scopus 로고    scopus 로고
    • What you see may not be what you get: a brief nontechnical introduction to overfitting in regression-type models
    • Babyak M. What you see may not be what you get: a brief nontechnical introduction to overfitting in regression-type models. Psychosom Med. 2014; 66:411-21.
    • (2014) Psychosom Med , vol.66 , pp. 411-421
    • Babyak, M.1
  • 43
    • 33750212091 scopus 로고    scopus 로고
    • Sample size for cluster randomized trials: effect of coefficient of variation of cluster size and analysis method
    • Eldridge S, Ashby D, Kerry S. Sample size for cluster randomized trials: effect of coefficient of variation of cluster size and analysis method. Int J Epidemiol. 2006; 35:1292-300.
    • (2006) Int J Epidemiol , vol.35 , pp. 1292-1300
    • Eldridge, S.1    Ashby, D.2    Kerry, S.3


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