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Table 2 Ehrlichia canis/E. ewingii seroprevalence (rapid test results) analyzed by age, lifestyle and location

From: Mapping the canine vector-borne disease risk in a Mediterranean area

Variable

Descriptive statistics

Model-adjusted statisticsa

n

Positive (%)

95% CI (%)

LSM ± SE (%)

95% CI (%)

P-value

Total

1154

87 (7.5)

6.1–9.2

   

Age (years)

 ≤ 3

527

36 (6.8)

4.8–9.3

6.8 ± 1.1

5.0–9.3

0.4245

 > 3–6

316

28 (8.9)

6.0–12.6

8.9 ± 1.6

6.2–12.5

 > 6–12

292

20 (6.8)

4.2–10.4

6.8 ± 1.5

4.5–10.4

 > 12

19

3 (15.8)

3.4–39.6

15.8 ± 8.4

5.2–39.2

Lifestyle

 Indoors

550

45 (8.2)

6.0–10.8

8.2 ± 1.2

6.2–10.8

0.9994

 Outdoors

604

42 (7.0)

5.1–9.3

7.0 ± 1.0

5.2–9.3

Location

 Crete

690

47 (6.8)

5.0–9.0

7.6 ± 1.6

5.0–11.5

0.0014*

 Leros*

270

40 (14.8)

10.8–19.6

18.2 ± 3.6

12.2–26.3

 

 Paxoi

124

0 (0)

0–2.9

0.0 ± 0.0

0–2.9

 

 Zakinthos

70

0 (0)

0–5.1

0.0 ± 0.0

0–5.1

 
  1. aModel-adjusted for random effects and sample size
  2. *Significant difference (P < 0.05) between Leros and the other islands
  3. Abbreviations: LSM, least square means; SE, standard error; CI, confidence interval