Gender of Participants
1 = Man
2 = Woman

Location of Participants
1 = Tehran
2 = Tehran Suburbs

The Skin Color of Participants
1 = White
2 = Wheatish
3 = Light Brown
4 = Brown

The Literacy of Participants
0 = Illiterate
1 = Elementry
2 = Secondary
3 = High School
4 = Diploma
5 = Postgraduate
6 = Licence
7 = Master
8 = Doctor

The Job of Participants
0 = Jobless
1 = Freelance
2 = Clerk
3 = Student
4 = Engineer
5 = Health Care
6 = Retired
7 = Teachers
8 = Home Keeper

Marriage Status of Participants
1 = Single
2 = Married
3 = Widow/er

The Nationality of Participants
1 = Persian
2 = Torkmen
3 = Torkish
4 = Lorish
5 = Armania
6 = Kordish
7 = Afghan
8 = Baluchi
9 = Lakish

The Habitual Alcohol Consumption of Participants
0 = Non Alcoholic
1 = Alcoholic

Did The Participants Have a Vit D Prescription or Not?
0 = No
1 = Yes

The Time of Last Vit D level Test?
0 = No
1 = Last Week
2 = 1 week-1 month
3 = 1 month-2 month
4 = 2 month-3 month
5 = 3 month-6 month
6 = 6 month-1 year
7 = >1 year

The Last Vit D level of Participants
0 = No Lab Data
1 = <30
2 = 30-100
3 = >100

The Dossage Form Requested by The Participants in General
0 = No
1 = Pearl 50,000 IU
2 = Amp 300,000 IU
3 = Pearl D3 1000 IU
4 = Pearl 50,000 & Amp 300,000

The Egg Consumption Rating
0 = No
1 = Low Intake
2 = Adiquate Intake
3 = High Intake

The D3 level Rating
1 = Insufficient
2 = Sufficient
3 = Toxic

1 = <12.5
2 = 12.5-25
3 = 25-37.5
4 = >37.5