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Table 1 Characteristics of studies which considered methodological aspects (rationale, design or analysis) of Stepped Wedge Cluster Randomised Trials

From: Stepped wedge cluster randomised trials: a review of the statistical methodology used and available

First Author Reasons for or against using the SWD Variations of the SWD Settings where the SWD can be applied Method for estimating sample size Method for statistical analysis
Bellan [93] Yes No Yes No No
Beard/Lewis [94] Yes No (see Copas et al. instead) Yes No (see Baio et al. instead) No (see Davey et al. instead)
Baio [38] No No No Yes (By simulation) Yes (GLMM)
Brown [9] Yes No Yes No No
Brown [19] Yes No Yes No No
Brown [36] Yes No Yes Yes No
Copas [43] No Yes No No No
Davey [35] No (see Bear/Lewis instead) No No No Yes (GLMM, Cox Proportional Hazards in cohort SWD setting)
de Hoop [41] Yes No No No No
Fatemi [95] Yes Yes Yes No No
Fok [27] Yes No No No Yes (GLMM)
Gruber [28] No No No No Yes (Causal Modelling)
Haines Yes Yes Yes No No
Handley [11] Yes Yes No No No
Hargreaves [96] Yes No (see Copas et al. instead) Yes No (see Baio et al. instead) No (see Davey et al. instead)
Hargreaves [97] No Yes (Randomisation vs Non-randomisation No No No
Hemming [17] Yes Yes No No No
Hemming [42] Yes No No No No
Hemming [24] Yes No Yes No Yes (GLMM, GEE)
Hemming [37] No Yes No Yes (Extension of Hussey) No
Hussey [29] No No No Yes (Wald Test) Yes (GLMM, GEE with Jack-knife SE, Cluster Summaries)
Keriel-Gascou [98] Yes No No No No
Kotz [99] Yes No No No No
Kotz [90] Yes No No No No
Kotz [44] No No No No No
Medge [10] Yes No Yes No No
Medge [100] Yes Yes Yes No No
Medge [101] Yes No No No No
Moulton [26] No No No Yes Yes (GLMM, GEE, Cox Proportional Hazards)
Pater [102] No No Yes No No
Prost [103] Yes No Yes No No
Rhoda [15] Yes No No Yes (Based on Hussey) No
Sanson-Fisher [104] Yes No No No No
Schelvis [105] Yes No Yes No No
Scott [30] No No No No Yes (GEE with few clusters adjustment)
Van den Heuvel [31] Yes Yes No No Yes (GLMM)
van der Tweel [106] Yes No Yes No No
Viechtbauer [107] Yes No No No No
Woertman [16] No No No Yes (Design Effect based on Hussey) No
Wolkewitz [108] No No Yes No No
Wyman [32] Yes No No No Yes (GLMM)
Zhan [109] Yes No Yes No No