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

Journal of Clinical Epidemiology

Volumn 66, Issue 12, 2013, Pages 1428-

  de Hoop, Esther ^a   Woertman, Willem ^a   Teerenstra, Steven ^a  

^a RADBOUD UNIVERSITY MEDICAL CENTER   (Netherlands)

Author keywords

[No Author keywords available]

Indexed keywords

CLUSTER ANALYSIS; HUMAN; LETTER; PRIORITY JOURNAL; RANDOMIZED CONTROLLED TRIAL (TOPIC); STUDY DESIGN; DEPRESSION; PROCEDURES; SAMPLE SIZE;

DEPRESSION; HUMANS; RANDOMIZED CONTROLLED TRIALS AS TOPIC; SAMPLE SIZE;

EID: 84883473160     PISSN: 08954356     EISSN: 18785921     Source Type: Journal    
DOI: 10.1016/j.jclinepi.2013.07.008     Document Type: Letter

References (2)

1. Hemming K, Girling A. The efficiency of stepped wedge vs. cluster randomized trials: stepped wedge studies do not always require a smaller sample size. [Letter]. J Clin Epidemiol 2013;66:1428-8. [in this issue].
2. Woertman, W., de Hoop, E., Moerbeek, M., Zuidema, S.U., Gerritsen, D.L., Teerenstra, S., Stepped wedge designs could reduce the required sample size in cluster randomized trials. J Clin Epidemiol 66 (2013), 752–758.