The American Preservation Dog Registry (APDR) standard points out that 'the temperament MUST be totally reliable with people'. It found that 'the data indicates that Rottweilers and pit bull-type dogs accounted for 67% of human DBRF [dog bite-related fatality] in the United States between 1979 and 1998' and that it was 'extremely unlikely that they accounted for anywhere near 60% of dogs in the United States during that same period and, thus, there appears to be a breed-specific problem with fatalities. In the face of this inconclusive data, the study authors recommended that breed should not be the 'primary factor driving public policy', instead making the following policy recommendations: 'adequate funding for animal control agencies, enforcement of existing animal control laws, and educational and policy strategies to reduce inappropriate dog and owner behaviors' as likely to be beneficial and specifically to decrease the occurrence of dog bites.In a peer-reviewed literature review of 66 dog-bite risk studies, the American Veterinary Medical Association determined that 'breed is a poor sole predictor of dog bites.