1 = Man
2 = Woman

1 = Married
2 = Single

1 = Working
2 = Not working

1 = Yes
2 = No

1 = Diabetes mellitus
2 = Chronic heart diseases
3 = Hypertension
4 = Thyroid diseases
5 = Other endocrine diseases
6 = Cancer
7 = Bone diseases
8 = Asthma/respiratory failure
9 = Neurological diseases
10 = Gastrointestinal system diseases
11 = Psychological diseases
12 = Allergy
13 = Kidney diseases

1 = Education
2 = Engineering
3 = Science and literature
4 = Health Sciences

1 = low
2 = moderate
3 = high

1 = none
2 = low mental distress
3 = moderate mental distress
4 = high mental distress

1 = underweight
2 = normal
3 = overweight
4 = obese