stat

Fecal

coliform

E. coli 1

P. earuginosa

K. pneumoneae

Salmonella

sp

S.

aureuse

S.

pneumoneae

Unsanitary/worn-out seal of borehole pumps

odds Ratio

1.3

0.4

0.17

2.5

0.3

0.67

nvc

(x²) pv

(0.8)

(0.3) 0.8

(0.1) 2.1

(0.2) 1.6

(0.3) 1.1

(0.7) 0.13

(0.04) 4.2

95% (CL)

0.16 - 9.9

0.05 - 3.4

0.13 - 2.1

0.3 - 2.2

0.02 - 3.6

0.08 - 5.8

0.92 - 3.3

Presence of pit latrine at 10 m from botre holes

odds

2.5

0.25

1.5

1.3

3.6

0.4

2.8

(x²) pv

(0.4) 0.7

(0.2) 1.6

(0.7) 0.1

(0.8) 0.05

(0.3) 1.0

(0.5) 0.5

(0.4) 0.6

95% (CL)

0.3 - 21

0.03 - 2.2

0.17 - 13

0.12 - 9.9

0.25 - 46

0.05 - 3.9

0.2 - 40

Environmental sources of pollution (e.g. rubbish and surface water discharge) within 10 m radius

odds Ratio

0.5

0.5

1

0.16

0.6

0.3

1.5

(x²) pv

(0.5) 0.4

(0.5) 0.4

(1) 00

(0.12) 2.6

(0.6) 0.2

(0.2) 1.2

(0.1) 2.5

95% (CL)

0.06 - 4.1

0.06 - 4.1

0.12 - 0.9

0.13 - 1.9

0.06 - 5.8

0.03 - 2.7

0.95 - 2.3

No fence around boreholes

odds Ratio

0.7

0.6

1

0.5

1.8

3.5

1.5

(x²) pv

(0.09) 2.9

(0.67) 0.2

(1) 00

(0.5) 0.4

(0.63) 0.2

(0.2) 1.3

(0.7) 0.9

95% (CL)

0.7 - 70.7

0.073 - 5.4

0.11 - 8.9

0.06 - 4.1

0.17 - 17.7

0.37 - 32.9

0.1 - 20.43

Riverbed near boreholes

odds Ratio

2

0.62

3.5

0.5

0.4

3.5

1.4

(x²) pv

(0.5) 4

(0.7) 0.2

(0.3) 1.2

(0.5) 0.4

(0.5) 0.5

(0.2) 1.3

(0.7) 0.1

95%

0.2 - 16.6

0.07 - 5.4

0.37 - 32

0.06 - 4.1

0.03 - 5.2

0.4 - 32

0.1 - 20.4

Lack of local management committee

odds

0.4

1.8

0.58

2.5

4.5

2.7

nvc

(x²) pv

(0.5) 0.5

(0.6) 0.23

(0.7) 0.2

(0.4) 0.5

(0.2) 1.5

(0.4) 0.7

(0.21) 1.4

95% (CL)

0.03 - 5.1

0.2 - 17.7

0.04 - 7.7

0.19 - 32

0.37 - 54.1

0.25 - 28

0.5 - 1.04

Pumps manipulated with feet

odds Ratio

0.4

1.8

0.6

2.5

4.5

11

nvc

(x²) pv

(0.5) 0.5

(0.6) 0.2

(0.7) 0.2

(0.5) 0.5

(0.2) 1.5

(0.01) 6.4

(0.2) 1.3

95% (CL)

0.03 - 5.1

0.17 - 17.6

0.04 - 7.9

0.19 - 32

0.37 - 54

1.4 - 174

0.51 - 1.0

Uncapped well within 15 - 20 m of the boreholes

odds Ratio

1.2

1.3

2.5

0.8

1.2

2.3

2

(X²) pv

(0.8) 0.04

(0.8) 0.05

(0.5) 0.5

(0.8) 0.05

(0.9) 0.02

(0.5) 0.5

(0.6) 0.3

95% (CL)

0.16 - 9.9

0.13 - 9.9

0.31 - 20

0.1 - 6.3

0.12 - 11.8

0.2 - 20

0.14 - 28.4