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Table 1 Number of individuals/villages participating in different surveillances

From: Active case surveillance, passive case surveillance and asymptomatic malaria parasite screening illustrate different age distribution, spatial clustering and seasonality in western Kenya

Surveillance

 

Iguhu

Emutete

Mbale

Total

Demographic information obtained§

Individual

17,190

21,023

18,813

57,026

No. households

4,803

5,548

4,712

15,063

No. villages

20

24

22

66

Active case surveillance population†

Individuals

1,754

2,320

2,674

6,748

Female

858

1,302

1,484

3,644

Cases detected

268

135

74

477

Passive cases surveillance

Cases detected

341

271

690

1,302

Asymptomatic parasite screening population‡

Early season

1,898

1,826

1,608

5,332

Slide positive

90

137

45

272

Peak season

1,726

1,759

1,798

5,283

Slide positive

115

200

52

367

  1. §These are the base populations for passive case surveillance.
  2. †These were the final recruitments and drop-outs were excluded.
  3. ‡Participants without slide reading results were excluded.