Worth11. Worth D, Beck AM. Multiple ownership of animals in New York City. Trans Stud Coll Physicians Philla. 1981;3:280-300. |
0.8 cases/100,000 population (Manhattan) |
61.8 |
Mean 60 (owners of dogs), mean 30 (owners of cats/mixed/other) |
No partner (55.5), married (30.5), unknown (13.9) |
ND |
High school (100) |
Mean 34 (cats), 23 (dogs) |
Cats (45.1), dogs (41.9), mixed and other (12.9) |
ND |
ND |
Patronek1010. Patronek GJ. Hoarding of animals: an under-recognized public health problem in a difficult to study population. Public Health Rep. 1999;114:81-7. |
0.8 new cases/year/100,000 population |
76 |
≥ 60 (46), 40-59 (37), < 40 (11) |
No partner (72.2) |
55.6 |
ND |
Median 39 |
Cats (65), dogs (60), farm animals (11), birds (11) |
Unplanned breeding (38.9), deliberate breeding (13), sought from the public or collecting strays (25.9), brought by public (9.3), purchased (7.4) |
ND |
HARC4545. Hoarding of Animals Research Consortium (HARC). Health implications of animal hoarding. Health Soc Work. 2002;27:125-36. |
ND |
83.1 |
Median 55 women, median 53 men |
No partner (71.8) |
46.5 |
ND |
Range 10-918. Men: mean 55.8 median 47; women: mean 90.1 median 50 |
Cats (81.7), dogs (54.9), birds (16.9), small mammals (11.3), horses (5.6), cattle or sheep or goats (5.6), reptiles (5.6) |
Unplanned breeding (56), sought from the public (46) |
Yes (25.3) |
Berry55. Berry C, Patronek G, Lockwood R. Long term outcomes in animal hoarding cases. Animal Law. 2005;11:167-94. |
ND |
73.2 |
50-54 (54.5) women, 50-54 (33.3) men |
ND |
ND |
ND |
Range 218 (dogs), 1-400 (cats) |
Dogs (46.4), cats (33.9), birds (5.4), farm animals (5.4), rabbits (3.6), horses (3.6), exotic species (1.8) |
ND |
ND |
Steketee4646. Steketee G, Gibson A, Frost RO, Alabiso J, Arluke A, Patronek G. Characteristics and antecedents of people who hoard animals: an exploratory comparative interview study. Rev Gen Psychol. 2011;15:114-24. |
ND |
94 (hoarders), 91 (controls) |
Mean 49.7 (hoarders), mean 43.7 (controls) |
Hoarders: never married (56); controls: never married (55) |
48 |
Hoarders: college (52); controls: college (60) |
Hoarders: mean 23.7; controls: mean 35.1 |
Hoarders: cats (46.7), dogs (10), others (43.3); controls: cats (31.6), dogs (21.5), others (46.9) |
ND |
ND |
Calvo4747. Calvo P, Duarte C, Bowen J, Bulbena A, Fatjó J. Characteristics of 24 cases of animal hoarding in Spain. Anim Welf. 2014;23:199-208. |
ND |
51.8 |
≥ 65 (63), 41-65 (31.6), < 41 (5.3 ) |
ND |
83 |
ND |
Range12-159 (total). 9-159 (dogs), 1-75 (cats); mean 50 |
Dogs (80.9), cats (19.4) |
Uncontrolled breeding (78.2), deliberate breeding (17.4), collecting strays (69.5) |
Yes (12.5) |
Joffe4848. Joffe M, O’Shannessy DO, Dhand NK, Westman M, Fawcett A. Characteristics of persons convicted for offences relating to animal hoarding in New South Wales. Aust Vet J. 2014;92:369-75. |
ND |
72.4 |
Mean 54.8 |
ND |
ND |
ND |
Range 6-500, mean 80, median 41 |
Dogs (79.3), cats (69), horses (41.4), birds (27.6), goat (20.7), sheep (13.8), fowl (13.8), donkey (10.3), others (27.8) |
Breeding (51.7), collecting strays (3.4), purchased (3.4), breeding and purchased (17.2), breeding and strays (7), purchased and strays (7), unknown (10.3) |
Yes (24.1) |
Ockenden4949. Ockenden EM, De Groef B, Marston L. Animal hoarding in Victoria, Australia: an exploratory study. Anthrozoos. 2014;27:33-47. |
ND |
63 |
30-39 (9.1), 40-49 (18.2), 50-59 (45.5), 60-69 (9.1), 70-79 (4.5), 80-89 (13.6) |
ND |
45.5 |
ND |
Range 10-180 |
Cats (50, dogs (22.7), horses (13.6), mixed species (13.6) |
Uncontrolled breeding (81.8), collecting strays (31.8), active source or purchase (22.7) |
Yes (40.9), no (22.7), unknown (36.4) |
Cunha5050. Cunha GR, Martins CM, Ceccon-Valente MF, Silva LL, Martins FD, Floeter D, et al. Frequency and spatial distribution of animal and object hoarder behavior in Curitiba, Paraná State, Brazil. Cad Saude Publica. 2017;33:e0001316.,5757. Cunha GR, Martins CM, Pellizzaro M, Pettan-Brewer C, Biondo AW. Sociodemographic, income and envionmental characteristics of individuals displaying animal and object hoarding behavior in a major city in South Brazil: a cross-sectional study. Vet World. 2021;14:3111-8. |
3.71 cases/100,000 population |
74.3 |
Mean 62.2, < 60 (42), > 60 (58) |
ND |
41 |
Illiterate (12.8), primary school (48.7), high school (25.6), college (12.8) |
Range 1-105 (dogs), 1-60 (cats). Mean 20 (dogs), 13.6 (cats) |
Dogs (28.2), cats (3.69), dogs and cats (64.1), other (25.6) |
ND |
ND |
Ferreira,5151. Ferreira EA, Paloski LH, Costa DB, Fiametti VS, Oliveira CR, Argimon IIL, et al. Animal hoarding disorder: a new psychopathology? Psychiatry Res. 2017;258:221-5.,5555. Ferreira EA, Paloski LH, Costa DB, Moret-Tatay C, Irigaray TQ. Psychopathological comorbid symptoms in animal hoarding disorder. Psychiatry Q. 2020;91:853-62. Paloski5656. Paloski LH, Ferreira EA, Costa DB, De Oliveira CR, Moret-Tatay C, Irigaray TQ. Cognitive performance of individuals with animal hoarding. Health Qual Life Outcomes. 2020;18:40. |
ND |
73 |
Mean 61.4 |
No partner (88), married (12) |
52 |
Illiterate (3), primary school (36), high school (40), college (21) |
Range 3-101, mean 41 |
Dogs (67.4), cats (28.1), ducks (3.7) |
ND |
ND |
Dozier5252. Dozier ME, Bratiotis C, Broadnax D, Le J, Ayers CR. A description of 17 animal hoarding case files from animal control and a humane society. Psychiatry Res. 2019;272:365-8. |
ND |
ND |
ND |
ND |
ND |
ND |
Range 2-274, mean 94 |
Cats (65), dogs (59), rabbits (35), other (46) |
ND |
ND |
Elliott,88. Elliott R, Snowdon J, Halliday G, Hunt GE, Coleman S. Characteristics of animal hoarding cases referred to the RSPCA in New South Wales, Australia. Aust Vet J. 2019;97:149-56. Snowdon5454. Snowdon J, Halliday G, Elliott R, Hunt GE, Coleman S. Mental health of animal hoarders: a study of consecutive cases in New South Wales. Aust Health Rev. 2019;44:480-4. |
ND |
78 |
< 40 (16), 40-59 (44), 60-69 (22), > 70 (10), missing (8) |
No partner (44), married (34), unknown (22) |
40 |
ND |
Range 6-300, mean 53, median 35 |
Cats (75), dogs (52), birds (17), other (34) |
Unplanned breeding (60), planned breeding (28), collecting strays (38), purchased (6), sought from the public (32), other sources (23), animal rescue networks (19), animal pounds (9), searching advertisements/Internet (2) |
ND |
Hill5353. Hill K, Yates D, Dean Rachel, Stavisky J. A novel approach to welfare interventions in problem multi-cat households. BMC Vet Res. 2019;15:434. |
ND |
80 |
Mean 56 |
ND |
30 |
ND |
Range 7-33, median 16 |
Cats (100) |
|
|
Wilkinson5858. Wilkinson J, Schoultz M, King HM, Neave N, Bailey C. Animal hoarding cases in England: implications for public health services. Front Public Health. 2022;10:899378. |
1.78 new cases/year/100,000 population |
64 |
Mean 49 ≥ 60 (27) |
ND |
71 |
ND |
Range 5-201, mean 44 |
Cats (61.5), dogs (60), small mammals (19), birds (17.9), horses (10.3), reptiles (12.8), farm animals (5.1), other (12.8) |
ND |
Yes (39) |