Back to History

Fields Changed

Registration

Field Before After
Last Published February 23, 2022 08:40 AM February 25, 2022 09:54 AM
Planned Number of Clusters 1100 individuals, more is money allows. 1400 individuals, more is money allows.
Planned Number of Observations 1100, more if money allows 1400, more if money allows
Sample size (or number of clusters) by treatment arms 550 individuals in high group and 550 individuals in low group. 700 individuals in high group and 700 individuals in low group.
Power calculation: Minimum Detectable Effect Size for Main Outcomes Eight percentage points difference in means, provided five percent confidence level and 80% statistical power. Seven percentage points difference in means, provided five percent confidence level and 80% statistical power.
Back to top