0 = Saudi
1 = Syrian
2 = Algerian
3 = Pakistani
4 = Mauritanian
5 = Brunei
6 = Moroccian
7 = Afghani
8 = Chadi
9 = Nigeri
10 = Jordanian
11 = Egyptian
12 = Yamani

0 = Non-Saudi
1 = Saudi

Country of Residence
0 = Algeria
1 = Saudia Arabia
2 = Syria
3 = Pakistan
4 = Mauritania
5 = Morocco
6 = Afghanistan
7 = Chad
8 = Nigeria
9 = Morocoo
10 = Jordan
11 = Egypt
12 = Yemen

0 = Abroad
1 = Local (Saudi Arabia)

0 = single
1 = married
2 = divorced
3 = widow

0 = Not married (e.g. Single, divorced, widowed)
1 = Married

0 = No Siblings
1 = 1-2 Siblings
2 = 3-4 Siblings
3 = >4 Siblings

0 = No
1 = Yes

Educational Level
0 = Uneducated - Up to Intermidiate School
1 = High School
2 = Higher Diploma
3 = University Degree (Bachelor)
4 = Postgraduate Degree (Master, PhD)

0 = Up to High School Diploma
1 = University Digree (Bachelor or higher)

Residence
0 = Urban (City Center)
1 = Urban (City Outskirts)
2 = Rural (Village)

Residence (Categories 2)
0 = Urban
1 = Rural

0 = no
1 = Diabetes (Regular)
2 = Diabetes (irregular)
3 = blood pressure
4 = Osteoporosis
5 = anemia
6 = thyroid gland diseses
7 = colon syndrom
8 = BP+diabetes
9 = hear weakness
10 = vit D deficiency
11 = cardiac DIS+BP+diabetes
12 = thyroid gland+BP
13 = colon syndrom+anemia

Medications in past 6 months?
0 = no
1 = Yes (one-time or intermittently)
2 = Yes (regularly)

what is the types of medications?
0 = no medications
1 = Antibiotics
2 = Analgesics
3 = medications of chronic diseases(diabitic\BP..
4 = hormonal replacment
5 = ABs+Analgesics
6 = vit D
7 = others
8 = thalasemia drugs
9 = allergy pills
10 = ferritin pills
11 = ferrtin+calcium
12 = medications of chronic diseases(diabitic\BP..+Aspirin+diuratic
13 = BP+hormonal ttt
14 = colon syndrom ttt
15 = chronic diseases ttt+analgesics
16 = Aspirin

Regularilty of Period?
0 = Completley Discontinued
1 = Irregular
2 = Regular

0 = Completely Discontinued
1 = Continued (Regularly OR Irregularly)

0 = No (Never)
1 = No (Past Smoker)
2 = Yes (Sometimes)
3 = Yes (Regular)

0 = Not Smoking
1 = Cigarettes
2 = E-cigarettes
3 = Water Pipe (Narjil, Meassil)
4 = Water Pipe (Shisha)
5 = Pipe
6 = Smokless Tobacco (Shamma, Qat)

Do you brush you teeth?
0 = No
1 = Yes (Irregularly)
2 = Yes (Regularly/Daily)

Do you use mouthwash?
0 = No
1 = Yes (Irregularly)
2 = Yes (Regularly)

When was the last visit to the dentist?
0 = Never visited a dentist
1 = < 6 monthes
2 = 6-12 monthes
3 = > 12 monthes

What was the reason for the last visit to the dentist?
0 = Never visited a dentist
1 = Routine check up
2 = Emergency treatment
3 = Periodontal traetment
4 = Restorative treatment
5 = Orthodontic treatment
6 = Implant therapy

Have you lost any of your teeth?
0 = No
1 = Yes
2 = I dont know

Why did you lose your teeth?
0 = I didn't lose any teeth
1 = Caries
2 = Periodontal Disease
3 = Accidant (Trauma)
4 = Orthodontic Treatment
5 = Caries + Periodontal Disease
6 = Caries + Ortho. Treatment
7 = Pregnancey

Do you have a tooth replacement?
0 = No
1 = Yes (removable denture)
2 = Yes (Fixed prosthesis)
3 = Yes (Implant)
4 = I dont know

Self-Reported Periodontal Disease Scale Score (SRPDSS) (Categories 2)
0 = <2
1 = >=2

-1 = Outlier Cluster
1 = Cluster # 1
2 = Cluster # 2
3 = Cluster # 3