Parameters | Genetics | Alpha Level for Covariates

Alpha Level for Covariates
Use this option to specify the alpha level for determining significance of covariates.
Only significant covariates are used in the models for calculating chi-square statistics under the null and alternative hypotheses.
Note: This option is activated only when one or more Covariates are specified on the General tab.
To Specify an Alpha Level:
*
Type a value between 0 and 1 in the Alpha Level for Covariates field.