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Table 1 Space-time clusters of infection with P. falciparum.

From: Space-time clustering of childhood malaria at the household level: a dynamic cohort in a Mali village

 

Cluster

Rate Ratio (Obs/Exp)

Surv§

Loc

p**

 

Coordinates*

Radius Km

Time frame

    

1

X = -8.26398

Y = 12.206213

0.18

2000/04

2000/05

5.495

(26/4.73)

1

15

0.001

2

X = -8.26605

Y = 12.211784

0

1996/09

1996/10

14.161

(8/0.56)

1

1

0.001

3

X = -8.2667

Y = 12.207973

0

1996/07

1996/10

2.298

(53/23.99)

2

1

0.002

4

X = -8.2621

Y = 12.211801

0

1999/10

2001/02

2.924

(30/10.26)

5

1

0.004

5

X = -8.27033

Y = 12.206117

0.2

1999/09

2000/06

1.406

(222/158.19)

3

11

0.007

6

X = -8.26797

Y = 12.199266

0.09

2000/04

2000/05

3.891

(15/3.85)

1

7

0.08

  1. *: GPS coordinates of the centre of the cluster
  2. †: obs: number of cases observed in the cluster; exp: number of cases expected under the null hypothesis.
  3. § number of survey during the time period.
  4. ¶ number of locations
  5. **: p-value (α = 10%).