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Table 2 Main effects of larval breeding habitat, sampling site within each habitat, rainfall, and day on the proportional frequencies of the immatures of An. gambiae s.s. and An. arabiensis in Banambani

From: Water quality and immatures of the M and S forms of Anopheles gambiae s.s. and An. arabiensis in a Malian village

Source

df

Young

Old

Total

χ 2

P

χ 2

P

χ 2

P

Habitat

2

0.22

0.89

0.15

0.93

0.66

0.72

Site within a habitat

2

7.69

0.02*

2.41

0.29

5.53

0.06

Category of rainfall

2

0.03

0.98

1.07

0.59

2.19

0.34

Day

1

1.37

0.24

0.33

0.57

0.01

0.92

  1. * P < 0.05