DogID     - Dog identifier
BreedID   - Breed listed in CBARQ            
Breed     - Breed in the analysis
YOB       - Year of Birth
AgeAtEvaluation  - Age of Dog when owner completed CBARQ evalation            
PLGH      - Percentage of Lifetime with natural Gonadal Hormone exposure      
NeuterAge_wks    - Age at Neutering in weeks
Weight    - Weight
FirstOwned       - Is this the first dog you have owned
Roles     - What roles does the dog perform in your household
OtherDogs - Are there other dogs in the household