Power and sample-size calculations for trials that compare slopes over time: Introducing the slopepower command

. Author manuscript; available in PMC: 2023 Jul 20.

Published in final edited form as: Stata J. 2021 Oct 4;21(3):575–601. doi: 10.1177/1536867X211045512

`(Replications based on 500 clusters in id)`
	`Observed`	`Bootstrap`			`Normal-based`
	`Coef.`	`Std. Err.`	`z`	`P>\|z\|`	`[95% Conf. Interval]`
`_bs_1`	`296`	`30.0739`	`9.84`	`0.000`	`237.0562`	`354.9438`