|
Risk factors
|
Categories
|
Parasitic infection
| |
Crude OR (CI 95%)
|
Adjusted OR (CI 95%)a
|
|---|
|
Yes (%)
|
No (%)
|
Total (%)
|
|---|
|
Nutritional status
|
Undernourished (Z<-2SD)
|
71 (18.6)
|
88 (23)
|
159 (41.6)
|
1.70 (1.13-2.56)*
|
1.69 (1.05-2.74)*
|
|
Normal (Z>-2SD)
|
129 (33.8)
|
94 (24.6)
|
223 (58.4)
|
1
|
1
|
|
Hand washing habit
|
Sometimes
|
149 (39)
|
63 (16.5)
|
212 (55.5)
|
5.52 (3.55-8.58)**
|
8.05(4.66-13.89)**
|
|
Always
|
51 (13.4)
|
119 (31.2)
|
170 (44.5)
|
1
|
1
|
|
Shoe wearing habit
|
Sometimes
|
115 (30.1)
|
86 (22.5)
|
201 (52.6)
|
1.51 (1.01-2.26)*
|
1.02(0.61-1.70)
|
|
Always
|
85 (22.3)
|
96 (25.1)
|
181 (47.4)
|
1
|
1
|
|
Fingernail cleanness
|
Not clean
|
85 (22.3)
|
32 (8.4)
|
117 (30.6)
|
3.46 (2.16-5.56)**
|
4.96 (2.79-8.82)**
|
|
Clean
|
115 (30.1)
|
150 (39.3)
|
265 (69.4)
|
1
|
1
|
|
Mother education
|
Illiterate
|
76 (19.9)
|
49 (12.8)
|
125 (32.7)
|
2.03 (1.24-3.30)**
|
2.00 (1.12-3.57)*
|
|
Primary school
|
62 (16.2)
|
81 (21.2
|
143 (37.4)
|
1.30 (0.78-2.18)
|
1.56 (0.84-2.90)
|
|
Secondary school & above
|
62 (16.2)
|
52 (13.6)
|
114 (29.8)
|
1
|
1
|
|
Family monthly income (ETB@)
|
<500
|
57 (14.9)
|
49 (12.8)
|
106 (27.7)
|
0.81 (0.51-1.28)
| |
|
500-1500
|
104 (27.2)
|
111 (29.1)
|
215 (56.3)
|
1.52 (0.79-2.91)
| |
|
>1500
|
39 (10.2)
|
22 (5.8)
|
61 (16)
|
1
| |
|
Meal frequency
|
≤ 3times a day
|
152 (39.8)
|
136 (35.6)
|
288 (75.4)
|
1.07 (0.67-1.71)
| |
|
>3 times/day
|
48 (12.6)
|
46 (12)
|
94 (24.6)
|
1
| |
|
Sex of students
|
Male
|
102 (26.7)
|
91 (23.8)
|
193 (50.5)
|
0.96 (0.64-1.44)
| |
|
Female
|
98 (25.7)
|
91 (23.8)
|
189 (49.5)
|
1
| |
|
Age (years)
|
7-8
|
63 (16.5)
|
55 (14.4)
|
118 (30.9)
|
0.88 (0.55-1.41)
| |
|
9-10
|
88 (23)
|
87 (22.8)
|
175 (45.8)
|
1.07(0.62-1.86)
| |
|
11-13
|
49 (12.8)
|
40 (10.5)
|
89 (23.3)
|
1
| |
- Not: *= p<0.05, ** = p<0.01, a = adjusted (multivariate regression model) for nutritional status, shoe wearing habit, finger nail cleanness, hand washing habit and mother education, @ = Ethiopian birr
