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Table 1 Sample sizes and apparent prevalence of each variable and modalities for dogs and cats, with the results of univariate statistics on apparent prevalence of all helminth’s species

From: Prevalence of major digestive and respiratory helminths in dogs and cats in France: results of a multicenter study

Variables/Modalities

Dogs

Cats

N

Apparent prevalence (%)

[95% CI]

P-value

N

Apparent prevalence (%)

[95% CI]

P-value

Age

 ≤ 6 months

85

29.4

[20.1–40.3]

***

58

34.5

[22.5–48.1]

***

 6–24 months

110

16.4

[10.0–24.6]

163

18.4

[12.8–25.2]

 > 24 months

219

9.1

[5.7–13.8]

204

5.9

[3.1–10.0]

Sex

 Male

213

12.7

[8.5–17.9]

NS

196

13.8

[9.3–19.4]

NS

 Female

201

17.9

[12.9–23.9]

229

15.3

[10.9–20.6]

Reproductive status if ≥ 6 months

 Intact

183

14.8

[10.0–20.7]

·

104

22.1

14.6–31.3]

***

 Neutered/spayed

146

7.5

[3.8–13.1]

263

7.2

[4.4–11.1]

Other pets in the house

 Number of conspecific

        

 - 0

262

13.0

[9.2–17.7]

NS

228

11.8

[7.9–16.8]

NS

 - 1 or 2

128

18.0

[11.7–25.7]

147

17.0

[11.3–24.1]

 - 3 or more

24

25.0

[9.8–46.7]

47

19.1

[9.1–33.3]

 - NA

    

3

   

Number of other dogs and cats

        

 - No

174

12.6

[8.1–18.5]

·

174

13.2

[8.6–19.2]

*

 - 1 or 2

169

13.6

[8.8–19.7]

178

11.8

[7.5–17.5]

 - 3 or more

70

24.3

[14.8–36.0]

70

24.3

[14.8–36.0]

  -NA

1

  

3

   

Food type

 Kibbles/wet only

278

15.5

[11.4–20.3]

NS

347

12.4

[9.1–16.3]

*

 Kibbles/wet + extra

120

15.0

[9.1–22.7]

61

21.3

[11.9–33.7]

 Homemade incuding raw meat

16

12.5

[1.6–38.3]

16

31.3

[11.0–58.7]

 NA

    

1

   

Lifestyle/living environment

 Indoor

    

202

6.9

[3.8–11.4]

***

 Outdoor in city

   

63

15.9

[7.9–27.3]

 Outdoor in countryside

   

160

23.8

[17.4–31.1]

Living environment

 City

152

6.6

[3.2–11.8]

***

    

 Countryside

261

20.3

[15.6–25.7]

    

 NA

1

       

Lifestyle

 Indoor

17

5.9

[0.1–28.7]

NS

    

 Outdoor limited

211

15.6

[11.0–21.3]

    

 Outdoor unlimited

186

15.6

[10.7–21.6]

    

Dog's activity

 Pet

383

13.6

[10.3–17.4]

**

    

 Hunting/herding

31

35.5

[19.2–54.6]

    

Time walking off-leash for dogs

 0%

72

6.9

[2.3–15.5]

*

    

 < 50%

174

16.7

[11.5–23.1]

    

 50–100%

131

14.5

[9.0–21.7]

    

 100%

36

27.8

[14.2–45.2]

    

 NA

1

       

Coprophagy

 Yes

82

15.9

[8.7–25.6]

NS

    

 No

330

14.8

[11.2–19.2]

     

 NA

2

       

Time since last deworming

 1–3 months ago

148

13.5

[8.4–20.1]

*

100

10.0

[4.9–17.6]

**

 3–6 months ago

116

14.6

[8.8–22.4]

93

12.9

[6.8–21.4]

 6–12 months ago

65

10.8

[4.4–20.1]

60

5.0

[1.0–13.9]

 >12 months / Never

69

27.5

[17.5–39.6]

147

22.4

[16.0–30.1]

 NA

16

   

25

   
  1. CI Confidence interval, NA data not available, N Sample size
  2. P-values: NS: not significant; ·: close to significant (P < 0.1);
  3. *, **, ***Significant difference at P < 0.05, P < 0.01 and P < 0.001, respectively