Table 9 Variations of haemoglobin based on intestinal helminths infection status.

A. lumbricoides

Positive^a

38

15.13 ± 2.62

10.11–27.51

P = 0.329

Negative^b

774

15.59 ± 2.85

Total

812

15.57 ± 2.84

Hookworms

Positive^a

11

15.75 ± 1.67

10.11–27.51

P = 0.803

Negative^b

801

15.57 ± 2.86

Total

812

15.57 ± 2.84

Trichuris trichiura

Positive^a

20

14.08 ± 3.54

10.11–27.51

P = 0.017

Negative^b

792

15.61 ± 2.82

Total

812

15.58 ± 2.84

S. mansoni

Positive^a

18

14.19 ± 2.91

10.11–27.51

P = 0.037

Negative^b

794

15.60 ± 2.84

Total

812

15.57 ± 2.84

S. intercalatum

Positive^a

10

14.61 ± 2.98

10.11–27.51

P = 0.283

Negative^b

802

15.58 ± 2.84

Total

812

15.57 ± 2.84

Significance^a

F = 49.866

p = 0.000

Significance^ab

F = 251.518

p = 0.000