Table 1

Variable assignment table

Variables	Assignment
Foot care	No=0, yes=1
Drinking	No=1, yes=0
Smoking	No=1, yes=0
Medication adherence	No=0, yes=1
Self-tested weight	No=0, yes=1
Self-tested blood glucose	No=0, yes=1
Number of follow-ups	<4=0, ≥4=1