Chunk #7 — Methods and results — Delineation of the problem

Source

Testing for measured gene-environment interaction: problems with the use of cross-product terms and a regression model reparameterization solution.

Embedded

yes

Text

Accordingly, δ00 = β0 and δ01 = β2. Substituting these known δ coefficients for the β coefficients in Eq. (1), for the case where G = 1 we can write: P∣(G=1)=δ00+β1⋅1+δ01E+β3E=(δ00+β1)+(δ01+β3)E=δ10+δ11E.