We have performed analyses by dividing the participants into 6 groups. The attribution of the groups was based on two variables: the Body Mass Index (BMI) and Metabolic syndrome (MetS):
- if BMI<25 and MetS=0 then group=1
- if BMI<25 and MetS=1 then group=2
- if BMI>30 and MetS=0 then group=3
- if BMI>30 and MetS=1 then group=4 etc...
Next, the variable 'group' was predicted by baseline variables. Can we call this a stratified analysis? or should it be named as 'a combined analysis', though I'm not very familiar with the latter!