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. 2021 Dec 16;8(12):332. doi: 10.3390/vetsci8120332

Table 3.

Outcomes of 41 studies that examined mental health outcomes in pet owners compared to non-pet owners.

Population Studied Negative Impact Mixed Impact Positive Impact No Impact Total
Older adult 2 7 5 14 (34%)
Severely mentally ill 1 2 3 (7%)
Children and adolescents 1 4 1 6 (15%)
General 1 4 3 3 11 (27%)
Illness (cancer, back pain, etc.) 1 2 2 5 (12%)
Caregivers 1 1 (2%)
Veterans 1 1 (2%)
Totals 3 (7%) 15 (37%) 12 (29%) 11 (27%) 41