highly significantp < 0.001
After including age, gender, and level of education as confounders the difference between PG and CG remained highly significant with p < 0.001 (details of the multiple regression in the R script).
After including age, gender, and level of education as confounders the difference between PG and CG remained highly significant with p < 0.001 (details of the multiple regression in the R script).