Prevalence, Intensity, and Risk Factors for Helminth Infections in Pigs in Menoua, Western Highlands of Cameroon, with Some Data on Protozoa
Table 6
Logistic regression analysis of risk factors for Ascaris suum infection in pig farms in Menoua Division. Results are expressed in terms of odd ratio (OR) and 95% confidence interval (CI).
Factor
Univariate analysis
Multivariate analysis
(%)
OR
value
OR
95% CI
value
Continuous variables
Farmer age (year)
597
69
11.6
1.02
0.03
1.06
1.02-1.09
0.01*
Pig age (month)
597
69
11.6
1.04
0.03
0.99
0.93-1.06
0.95
Herd size
597
69
11.6
1.07
0.01
1.04
0.99-1.09
0.05
Categorical variables
Farmer gender
Male
488
42
8.6
0.28
0.01
1.90
0.23-15.12
0.54
Female
109
27
24.8
1.00
1.00
Farmer education level
Higher education
51
3
5.9
0.34
0.09
Secondary school
378
42
11.1
0.69
0.19
Primary school
158
24
15.2
1.00
Never schooled
10
0
0.0
Animal breed
Crossed breed
547
60
11.0
0.49
0.11
Duroc
10
2
20.0
1.00
1.00
Landrace
2
0
0.0
0.00
0.99
Large white
35
7
20.0
1.00
Pietrain
2
0
0.0
Naima
1
0
0.0
Housing
Wooden piggery
525
62
11.8
0.61
0.26
Semipermanent structure
39
7
17.9
1.00
Permanent structure
33
0
0.0
Floor type
Cemented
201
21
10.4
0.84
0.54
Non cemented
396
48
12.1
1.00
Contact with domestic animals
Yes
208
36
17.3
2.25
0.01
3.98
1.64-9.62
0.01*
No
389
33
8.5
1.00
1.00
Contact with wild life
Yes
545
65
11.9
1.62
0.36
No
52
4
7.7
1.00
= number of samples examined; = number positive; (%) = prevalence in percentage. = Significant -value.
