(b).

By FCI group
	OR	95% CI	p value
Sex
Female	1.053	(1.065, 1.040)	<10−6
Male	1.0 R	—	—
Season of birth
Autumn	1.021	(1.038, 1.004)	0.016
Winter	1.124	(1.142, 1.105)	<10−6
Spring	1.143	(1.161, 1.125)	<10−6
Summer	1.0 R	—	—
Latitude
<30°N	2.047	(2.13, 1.967)	<10−6
30–39°N	1.410	(1.458, 1.363)	<10−6
40–49°N	1.546	(1.599, 1.496)	<10−6
≥50°N	1.0 R	—	—
FCI group
Sheep and cattle	3.229	(3.653, 2.854)	<10−6
Pinscher schnauzer, molossoid, and Swiss Mtn/cattle dog	4.618	(5.224, 4.082)	<10−6
Terrier	3.163	(3.605, 2.774)	<10−6
Spitz and primitive	2.059	(2.334, 1.816)	<10−6
Scent hounds	2.096	(2.393, 1.836)	<10−6
Pointing dogs	2.184	(2.473, 1.927)	<10−6
Retrievers, flushers, and water dogs	3.386	(3.830, 2.994)	<10−6
Companion and toy dogs	2.824	(3.204, 2.489)	<10−6
Sighthounds	1.0 R	—	—