Wave
7 = Wave 1
8 = Wave 2
9 = Wave 3

S1 Age
2 = 15-18
3 = 19 to 24
4 = 25 to 29
5 = 30 to 34
6 = 35 to 39
7 = 40 to 44
8 = 45 to 49

S2 Gender
1 = Male
2 = Female

S3 Location
1 = North
2 = North East
3 = East
4 = South East
5 = South
6 = South West
7 = West
8 = North West

Burger Shack
0 = Not selected
1 = Selected