Table 2 Description of factors included as fixed effects in genetic models
FactorsCategoriesNo. observations
Coat colorBlack1144
Yellow521
Chocolate310
missing0
Exercise per day (hr)<1315
1 – <2972
2 – <4565
≥4118
missing5
HealthSome health problem during lifetime1697
No health problems278
Missing0
HousingPrimarily inside1578
Both inside and outside170
Primarily outside176
Missing51
RoleGundog840
Pet817
Showdog140
Missing178
Sex/neutered statusMale entire451
Male neutered59
Female entire1028
Female neutered426
Missing11
  • These include sex and neuter status (four levels), housing (three levels), coat color (three levels), health status (two levels: healthy or having had some health problem during their lifetime), exercise per day (four levels), and “Role” (three levels).