1 = ChronicPhysicalPain
2 = ChronicSocialPain
3 = Hypertension
4 = RenalFailure
5 = HeatlySubjects

1 = female
2 = male

1 = Married/Cohabitant
2 = Unmarried
3 = divorced
4 = widower

1 = Yes
2 = No

1 = Italian

1 = PrimarySchool
2 = SecondarySchool
3 = HighSchool
4 = UniversityDegree
5 = Master