Prevalence, Intensity, and Risk Factors for Helminth Infections in Pigs in Menoua, Western Highlands of Cameroon, with Some Data on Protozoa
Table 5
Logistic regression analysis of risk factors for Trichostrongylus sp. 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
168
28.1
1.00
0.66
Pig age (month)
597
168
28.1
1.04
0.01
1.04
1.01-1.08
0.01*
Herd size
597
168
28.1
1.06
0.01
1.02
0.98-1.06
0.22
Categorical variables
Farmer gender
Male
488
154
31.6
3.12
0.01
2.45
1.33-4.53
0.01*
Female
109
14
12.8
1.00
1.00
Farmer education level
Higher education
51
0
0.0
0.00
0.99
Secondary school
378
147
38.9
2.54
0.24
Primary school
158
19
12.0
0.54
0.46
Never schooled
10
2
20.0
1.00
Animal breed
Crossed breed
547
154
28.2
1.32
0.49
Duroc
10
6
60.0
5.06
0.03
Landrace
2
0
0.0
0.00
0.99
Large white
35
8
22.9
1.00
Pietrain
2
0
0.0
Naima
1
0
0.0
Housing
Wooden piggery
525
122
23.2
0.41
0.01
0.39
0.18-0.83
0.01*
Semipermanent structure
39
32
82.1
6.02
0.01
5.46
1.81-16.45
0.01*
Permanent structure
33
14
42.4
1.00
1.00
Floor type
Cemented
201
73
36.3
1.80
0.01
0.85
0.54-1.35
0.49
Non cemented
396
95
24.0
1.00
1.00
Contact with domestic animals
Yes
208
63
30.3
1.17
0.39
No
389
105
27.0
1.00
Contact with wild life
Yes
545
153
28.1
0.96
0.90
No
52
15
28.8
1.00
= number of samples examined; = number positive; (%) = prevalence in percentage; = significant value.
