Additional file 1: of Understanding the cluster randomised crossover design: a graphical illustraton of the components of variation and a sample size tutorial

Continuous outcomes sample size Stata do file. Stata do file to perform sample size calculations for continuous outcomes using formulae presented in the ‘Performing a sample size calculation’ section, for a given set of sample size parameters. (DO 1 kb)连续结局样本量计算Stata do文件(Stata do file)。该Stata do文件可针对给定的一组样本量参数，运用《样本量计算实操》章节中呈现的公式，完成连续结局的样本量计算。（DO 1 KB）