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Table 2 Number of owners (%) reporting currently using a heartworm/intestinal parasite control medication, by region and formulation

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

  Southeast
(n = 989)
Northeast
(n = 400)
Midwest
(n = 708)
West
(n = 909)
National
( N = 3006)
Medication use
 Yes 829 (83.8) 317 (79.3) 570 (80.5) 353 (38.8) 2069 (68.8)
 95% CI 81.5–86.1 75.3–83.2 77.6–83.4 35.7–42.0 67.2–70.5
 No 14 (14.8) 68 (17.0) 135 (19.1) 536 (59.0) 885 (29.4)
 95% CI 12.6–17.0 13.3–20.7 16.2–22.0 55.8–62.2 27.8–31.1
 Unknown 14 (1.4) 15 (3.8) 3 (0.4) 20 (2.2) 52 (1.7)
 95% CI 0.7–2.2 1.9–5.6 0.1–0.9 1.3–3.2 1.3–2.2
Formulation (n, % of dogs on heartworm/intestinal control medication)
 Oral 728 (87.8) 299 (94.3) 497 (87.2) 323 (91.5) 1847 (89.3)
 95% CI 85.6–90.0 91.8–96.9 84.5–89.9 88.6–94.4 87.9–90.6
 Topical 23 (2.8) 8 (2.5) 27 (4.7) 10 (2.8) 68 (3.3)
 95% CI 1.7–3.9 0.8–4.3 3.0–6.5 1.1–4.6 2.5–4.1
 Injectable 74 (8.9) 9 (2.8) 43 (7.5) 18 (5.1) 144 (7.0)
 95% CI 7.0–10.9 1.0–4.7 5.4–9.7 2.8–7.4 5.9–8.1
  1. Abbreviation: CI, confidence interval