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Table 1 Demographic characteristics of 2 cohorts of children on Pemba Island, Zanzibar

From: Malaria incidence and prevalence on Pemba Island before the onset of the successful control intervention on the Zanzibar Archipelago

 

First cohort (N = 291)

Second cohort (N = 246)

 

No.

%

No.

%

Age at enrolment

    

1-6 m

109

37

97

39

7-12 m

130

45

75

31

> 13 m

52

18

74

30

Gender

    

Male

142

49

111

45

Female

149

51

135

55

Household income ($/month)

    

< 10

132

45

33

13

Oct-40

147

51

179

73

> 40

12

4

34

14

Bednet use by child

    

No

191

66

111

45

Yes

67

23

129

48

Don't know

33

11

16

7

Study period

December 15, 2003-June 15, 2004

August 15, 2004-January 15, 2005