Urban Dog Parks as Sources of Canine Parasites: Contamination Rates and Pet Owner Behaviours in Lisbon, Portugal

Table 1

Prevalence of the parasites detected in faecal samples collected in three dog parks (A, B, and C) of Greater Lisbon, Portugal.

	A (); (95% CI)	B (); (95% CI)	C (); (95% CI)	Total (); (95% CI)
Hookworms	14.4%; (9.0–22.1)	18.5%; (12.4–26.7)	16.7%; (10.7–24.8)	16.5%; (13.0–20.8)
Cryptosporidium spp.	12.0%; (7.1–19.3)	15.3%; (9.7–23.2)	8.3%; (4.3–15.2)	11.9%; (8.9–15.8)
Giardia spp.	16.0%; (10.3–23.9)	6.5%; (3.0–12.7)	11.7%; (6.8–19.1)	11.4%; (8.4–15.2)
Cystoisospora spp.	0.8%; (0.0–5.0)	1.6%; (0.3–6.3)	0.8%; (0.0–5.2)	1.1%; (0.4–2.9)
Toxascaris leonina	0	0	3.3%; (1.1–8.8)	1.1%; (0.4–2.9)
Toxocara spp.	0.8%; (0.0–5.0)	0.8%; (0.0–5.1)	0	0.5%; (0.1–2.2)
Sarcocystis sp.	0.8%; (0.0–5.0)	0	0	0.3%; (0.0–1.7)
Total of positive samples	35.2%; (27.0–44.3)	31.5%; (23.6–40.5)	32.5%; (24.4–41.7)	33.1%; (28.3–38.2)