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Table 5 Number (%) of dogs positive for intestinal parasites by coproantigen immunoassay or centrifugal flotation according to owner-reported current use of a heartworm/intestinal parasite control medication

From: Detection of gastrointestinal parasitism at recreational canine sites in the USA: the DOGPARCS study

Demographic characteristic

Nematodes/Giardia

Nematodes

Hookworms

Whipworms

Ascarids

Giardia

Dogs on medication: Yes (n = 2069)

404 (19.5)

155 (7.5)

125 (6.0)

31 (1.5)

11 (0.5)

276 (13.3)

95% CI

17.9–21.3

6.4–8.7

5.1–7.2

1.1–2.1

0.3–1.0

11.9–14.9

Dogs on medication: No (n = 885)

190 (21.5)

101 (11.4)

84 (9.5)

25 (2.8)

6 (0.7)

106 (12.0)

95% CI

18.9–24.3

9.5–13.7

7.7–11.6

1.9–4.2

0.3–1.5

10.0–14.3

Medication status unknown (n = 52)

15 (28.9)

7 (13.5)

5 (9.6)

2 (3.9)

0 (0.0)

9 (17.3)

95% CI

18.3–42.4

6.4–25.6

3.8–21.0

0.3–13.7

0.0–8.2

9.2–30.0

  1. Note: Percentages are based on the number of positive dogs in that demographic category as the numerator and total of dogs reported to be in that category as denominator
  2. Abbreviation: CI, confidence interval