Faculty of Health Sciences;
Nord-Trondelag University College;
Namsos;
Norway;
Center for Care Research;
Mid-Norway;
Norway;
Department of Health Sciences;
Mid Sweden University;
Sundsvall;
Sweden;
Faculty of Agriculture and Information Technology;
Nord-Trondelag University College;
Steinkjer;
Norway;
Norwegian Food Safety Authority;
Steinkjer;
Norway;
Pet Ownership; Cats and Dogs; Health; Personality; Old Age; Population Study;