<prompt> Strength of association is given byp-valueCoefficient of regressionAlpha valueOdds ratio  <response>: Strength of association is given by Odds ratio or Cross product ratio in a Case control study. Odds ratio adbc OR 1 - Positive association, OR1 - No association, OR 1 - Inverse negative association. Chi-square test or t-test can only tell whether an association is statistically significant based on p-value, but doesnt give the magnitude of strength of association. 