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Sample size requirements to detect an intervention by time interaction in longitudinal cluster randomized clinical trials with random slopes
In longitudinal cluster randomized clinical trials (cluster-RCT), subjects are nested within a higher level unit such as clinics and are evaluated for outcome repeatedly over the study period. This study design results in a three level hierarchical data structure. When the primary goal is to test th...
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| Main Authors: | , , |
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| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
2013
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| Fag: | |
| Online adgang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3580878/ https://ncbi.nlm.nih.gov/pubmed/23459110 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.csda.2012.11.016 |
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