Table 1 Parameter values for simulation studies
Simulation parameter | Values |
|---|---|
Randomization of complete twin pairs | Same arm, independently, opposite arms |
Total sample size | 250, 500 |
Proportion of infants from complete twin pairs | 0.1, 0.2 |
Continuous outcomes | |
Standardized effect size | 0, 0.5, 1, 1.5 |
Within-birth correlation | 0, 0.25, 0.5 |
Binary outcomes | |
Treatment effect, measured on log scale | -1, -0.5, 0 |
Log odds ratio measuring within-birth correlation | -2, -1.5, -1, -0.5 |