Correlation of chi-squared statistics

How are the chi-squared statistics from the SAS PROC CASECONTROL correlated?

SAS PROC CASECONTROL produces 3 flavors of chi-squared statistics. We suspect that the statistics are highly correlated. To get a handle on this question we construct populations and sample them 40 times at each of 19 different values of OR and 8 values of disease allele frequency for each of 3 kinds of models, “recessive”, “dominant”, and “additive”. In each population, the penetrance for subjects homozygous with the non-disease allele is always 0.05

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