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Table 1 Demographic, distance and temporal relationships with malaria infection, Plasmodium vivax (Pv) and Plasmodium falciparum (Pf), in Gilgel-Gibe dam area, south-western Ethiopia, 2005

From: Malaria and water resource development: the case of Gilgel-Gibe hydroelectric dam in Ethiopia

 

Pv

 

Pf

 

Variable

Rate

Crude OR (95% CI)

Rate

Crude OR (95% CI)

Age (years)

    

<1 'control'

4/96 (4.2%)

1

3/96 (3.1%)

1

   'at-risk'

13/190 (6.8%)

1.69 (0.52,5.52)

9/190 (4.7%)

1.54 (0.49,4.79)

1–4 'control'

18/396 (4.5%)

1

13/396 (3.3%)

1

   'at-risk'

34/429 (7.9%)

1.81 (1.21,2.71)**

23/429 (5.4%)

1.67 (1.42,6.66)

5–9 'control'

12/282 (4.3%)

1

1/282 (0.4%)

1

   'at-risk'

36/462 (7.8%)

1.9 (0.76,4.77)

27/462 (5.8%)

17.4 (1.22,249.24)**

Village/groups

    

   'control'

34/774 (4.4%)

1

17/774 (5.4%)

1

   'at-risk'

83/1081 (7.7%)

1.81 (1.17,2.79)**

59/1081 (2.2%)

2.57 (1.01,6.57)**

Month

    

October 'control'

15/253 (5.9%)

1

10/253 (4.0%)

1

   'at-risk'

56/559 (10.0%)

1.76 (0.88,3.53)*

34/559 (6.1%)

1.57 (0.32,7.71)

November 'control'

13/260 (5.0%)

1

3/260 (1.2%)

1

   'at-risk'

25/262 (9.5%)

2.00 (1.38,2.92)**

7/262 (2.7%)

2.35 (0.17,32.73)

December 'control'

6/261 (2.3%)

1

4/261 (1.5%)

1

   'at-risk'

2/260 (0.8%)

0.33 (0.02,4.96)

18/260 (6.9%)

4.78 (1.03,22.23) **

  1. * = significant at 0.1 level ** = significant at 0.05 level