Impact of pet dog or cat exposure during childhood on mental illness during adolescence: a cohort study

BMC Pediatrics

Table 4 Adjusted proportional hazards regression modeling of risk of mental health diagnosis over the eight-year follow-up period associated with pet exposure

	Pet Dog at baseline^a			Cumulative exposure to pet dog^b			Cumulative Exposure to pet cat^b			Cumulative exposure to most attached pet^b,c
	N	HR (95% CI)	p	N	HR (95% CI)	p	N	HR (95% CI)	p	N	HR (95% CI)	p
Anxiety diagnosis	605	0.88 (0.63–1.22)	0.44	233	0.84 (0.60–1.17)	0.30	233	0.93 (0.71–1.21)	0.58	220	0.57 (0.38–0.85)	0.006
Any MH diagnosis	571	0.74 (0.56–0.99)	0.04	220	0.74 (0.54–1.02)	0.06	220	0.87 (0.68–1.11)	0.28	204	0.64 (0.44–0.91)	0.013
Any MH diagnosis with psychotropic prescription	571	0.79 (0.55–1.15)	0.23	220	0.83 (0.57–1.21)	0.33	220	0.78 (0.56–1.10)	0.16	204	0.69 (0.44–1.08)	0.106

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