Table 2.

Relative risk difference of common reasons for return in the short and long term. Bold indicates significant at the p < 0.05 level.

Reason for Return	Short Term (n)	Long Term (n)	Risk Ratio	95% CI	Z Score	p-Value
Unwanted	11	1	10.93	1.43–83.63	2.30	0.02
Other pet	27	5	5.37	2.12–13.57	3.55	0.003
Medical	18	9	1.99	0.92–4.29	1.75	0.08
Behavior	50	29	1.71	1.15–2.55	2.64	0.008
Other	4	4	0.99	0.25–3.90	0.009	0.99
Allergic	12	14	0.85	0.41–1.78	0.43	0.33
Housing	8	15	0.53	0.12–1.21	1.50	0.12
Personal	14	28	0.50	0.27–0.91	2.28	0.02
Cost	7	18	0.39	0.16–0.90	2.21	0.03
Stray	3	17	0.18	0.05–0.59	2.83	0.005
Euthanasia	1	14	0.07	0.01–0.53	2.57	0.01