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Table 4 Parameters that determined the presence of An.sinensis larvae in water bodies in the village surroundings by Logistic regression analysis

From: Random repeated cross sectional study on breeding site characterization of Anopheles sinensis larvae in distinct villages of Yongcheng City, People's Republic of China

Variable

B

S.E.

Wald

df

Sig.

OR

95.0% C.I. for OR

       

Lower

Upper

Breeding site type

-1.725

0.631

7.464

1

0.006**

0.178

0.052

0.614

Water

depth

-1.338

0.642

4.345

1

0.037*

0.262

0.075

0.923

COD

-1.178

0.458

6.616

1

0.010*

0.308

0.126

0.756

Ammonia nitrogen

-1.029

0.338

9.260

1

0.002**

0.357

0.184

0.693

Sulphate

-0.883

0.326

7.348

1

0.007**

0.413

0.218

0.783

Constant

16.440

3.983

17.039

1

0.000**

1.4E+07

  
  1. OR-Odds ratio; C.I.-Confidence interval; Sig-significant; df-Degrees of freedom;
  2. * P < 0.05, ** P < 0.01