Erica

22

Driver

Non-smoker

Start: 01/09/10

Stay: 12 mths

Sarah

25

Non-driver

Non-smoker

Start: 05/09/10

Stay: 12 mths

Margaret

23

Driver

Non-smoker

Start: 01/10/10

Stay: 24 mths

LeAnn

18

Driver

Non-smoker

Start: 01/06/11

Stay: 3 mths