statsmodels.stats.contingency_tables.StratifiedTable.test_equal_odds

StratifiedTable.test_equal_odds(adjust=False)[source]

Test that all odds ratios are identical.

This is the ‘Breslow-Day’ testing procedure.

Parameters:adjust (boolean) – Use the ‘Tarone’ adjustment to achieve the chi^2 asymptotic distribution.
Returns:
  • A bunch containing the following attributes
  • statistic (float) – The chi^2 test statistic.
  • p-value (float) – The p-value for the test.