Table 5.

Comparison of the prevalence of endoparasite infection by origin, breed, age, sex, and reproductive status

Variable	Total (n)	Positives (n)	Prevalence % (95% CI)
Origin
Teaching hospitala	2819	406	14.40 (13.11–15.70)a
Outside practitionera	443	150	33.86 (29.45–38.27)b
Research	375	135	36.00 (31.14–40.86)b
Shelter	226	122	53.98 (47.48–60.48)
Referral laboratory	35	6	17.14 (4.66–29.63)a
Other/Unknown	794	157	19.77 (17–22.54)
Breed group
Mixed	1490	272	18.26 (16.29–20.22)b
Hound	573	216	37.70 (33.73–41.66)a
Sporting	648	114	17.59 (14.66–20.52)b
Herding	461	92	19.96 (16.31–23.61)b
Working	384	70	18.23 (14.37–22.09)b
Toy	387	43	11.11 (7.98–14.24)c
Non-sporting	251	36	14.34 (10.01–18.68)b, c
Terrier	179	24	13.41 (8.24–18.40)b, c
Foundation stock service	30	4	13.33 (1.17–25.50)b, c
Unknown	289	105	36.33 (30.79–41.88)
Age
< 1 year (young)	1177	403	34.24 (31.53–36.95)
1–6 years (adult)	1671	249	14.90 (13.19–16.61)
> 6 years (senior)	1337	97	7.26 (5.86–8.65)
Unknown	507	227	44.77 (40.44–49.10)
Sex
Male	2261	449	19.86 (18.21–21.50)
Female	1998	377	18.87 (17.15–20.58)
Unknown	433	150	34.64 (30.16–39.12)
Reproductive Status
Male, intact	1098	308	28.05 (25.39–30.71)a
Male, castrated	1159	141	12.17 (10.28–14.05)b
Female, intact	800	231	28.88 (25.73–32.02)a
Female, spayed	1174	143	12.18 (10.31–14.05)b
Unknown	461	153	33.19 (28.89–37.49)

Prevalence with the same letter indicates no statistically significant difference (p > 0.05)

^aCanine fecal samples originating from teaching hospitals and outside practitioners are considered client-owned (3262; 69.52%)