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Table 1 Frequency and risk of being diagnosed with leprosy in relation to having received SDR-PEP and physical distance (in meters) to the nearest index case in four villages of Anjouan (Comoros)

From: Clustering of leprosy beyond the household level in a highly endemic setting on the Comoros, an observational study

Factor

Population (n = 5760)

(%)

No. of leprosy cases (n = 153)

(%)

IRR

(95% CI)

SDR-PEP provided

 - Yes

259

(4.5)

7

(2.7)

0.6

(0.3–1.2)

 - No

5501

(95.5)

146

(2.7)

Ref.

 

Distance to index case

 - Same household

672

(11.7)

27

(4.0)

2.4

(1.5–3.6)

 - 1-25 m

1373

(23.8)

49

(3.6)

1.8

(1.3–2.5)

 - 26- 50 m

1604

(27.9)

36

(2.2)

1.2

(0.8–1.7)

 - 51- 75 m

654

(11.3)

16

(2.4)

1.3

(0.8–2.1)

 - > 75 m

1457

(25.3)

25

(1.7)

Ref.

 
  1. SDR-PEP = Single Dose Rifampicin – Post Exposure Prophylaxis, Ref. = reference category