Table 2 Association of morbidity indicators in the school children with and various predictors. The coefficients reflect either mean difference (BMI) or odds ratios from logistic regression analysis between a given factor level and its corresponding baseline group. Results from the multivariable analyses are presented in the text

No. examined/no. affected

-

230/141

211/155

262/165

262/181

217/201

219/69

219/23

219/83

Ozi school

−0.34

1.70

1.53

0.65

0.85

1.24

1.15

0.64

0.82

Boys

0.11

1.03

0.91

2.14**

1.61

2.05

1.52

1.21

1.50

Age 10–12 years

0.84***

0.54*

1.87**

1.80**

1.87*

2.19

1.24

2.09

1.44

S. haematobium

 Medium: 35–231

0.12

1.87

4.67***

10.71***

16.13***

1.34

2.85**

0.58

2.17*

 High: 232–1000

−0.48

2.08*

4.32***

279.82***

ne

2.34

4.40***

3.13*

4.40***

Hookworm

 Low:7–106

0.76*

1.17

0.29*

1.19

1.72

2.26

0.99

0.97

0.84

 Medium: 113–453

0.23

1.60

0.40

1.34

1.65

3.44

1.85

0.90

1.63

 High: 460–3786

−0.06

4.75***

0.32*

1.87

1.59

5.34*

1.35

1.53

1.42

T. trichiura

 Low:7–85

0.46

1.24

0.44

1.38

1.23

0.42

0.67

1.31

0.75

 Medium: 92–290

0.68

1.80

1.01

0.80

0.53

0.61

0.78

0.16

0.70

 High: 297–21231

0.51

1.63

0.50

0.75

0.70

0.56

0.62

2.53

0.88

A. lumbricoides

 Low: 7–43

−0.03

1.21

0.95

1.96

1.51

0.52

0.95

0.24

0.83

 Medium: 50–297

−0.08

1.55

0.46

0.86

0.47*

1.15

1.41

0.78

1.22

 High: 311–18789

−0.67*

1.21

0.78

0.82

0.83

1.05

0.99

1.79

1.45