The genotypes in my data are CC, CT, TT.
The minor allele is T and it is also the effect allele. I coded CC=0, CT=1, and TT=2
I run a binary logistic regression model with BMI variable as the outcome variable and my additively coded SNP as the predator variable. Note: BMI is a category (binary) variable: 1=Non-obese and 2=obese I got this result from the "variables in the equation table": Exp(B) = 2.018 Sig. =
Here is a guide that demonstrates how to conduct binary logistic regression on SPSS, as well as interpret and report the test results.
Lund Research Ltd. (2018). How to perform a Binomial Logistic Regression in SPSS Statistics | Laerd Statistics. https://statistics.laerd.com/spss-tutorials/binomial-logistic-regression-using-spss-statistics.php
Good luck,