Table 3.

Coefficients from final adjusted model of risk factors of any injury using the North American sample.

	Adjusted OR (95% CI)	Adjusted p-value
Dog age (per 1 year older)	1.17 (1.14, 1.20)	<0.001
Height & weight together		0.002
Dog height (per 4 inches taller)	0.84 (0.72, 0.99)
Dog weight (per 10 pounds heavier)	1.17 (1.06, 1.29)
Breed		<0.001
Border collie	1.89 (1.51, 2.37)
Mixed breed	0.85 (0.66, 1.10)
Shetland sheepdog	1.28 (0.93, 1.77)
Australian shephard	0.95 (0.70, 1.28)
Other	Reference
Age brought dog home		0.001
<8 weeks	0.99 (0.81, 1.22)
8–12 weeks	Reference
13–15 weeks	1.20 (0.85, 1.70)
4–6 months	1.01 (0.72, 1.43)
7–12 months	1.14 (0.82, 1.59)
>12 months	0.60 (0.45, 0.81)
Growth plate x-rays		0.020
Not done	Reference
Done at least once	1.26 (1.04, 1.53)
Handler current age		<0.001
18–24	Reference
25–34	1.17 (0.71, 1.94)
35–44	1.25 (0.76, 2.07)
45–54	1.13 (0.69, 1.83)
55–64	0.93 (0.57, 1.49)
65+	0.62 (0.38, 1.03)
Handler gender		0.044
Female	Reference
Male	0.64 (0.43, 0.94)
Non-binary/differently identify	0.65 (0.31, 1.37)
Handler agility experience		0.035
<3 years	1.12 (0.84, 1.51)
3–5 years	1.20 (0.96, 1.50)
6–10 years	1.32 (1.09, 1.59)
11–15 years	1.27 (1.04, 1.56)
>15 years	Reference
Handler competed at national level		0.014
No	Reference
Yes	1.25 (1.05, 1.49)