Table 1

Number of households (main residencies and shamba houses) visited in each round

Round
Time
Main houses
Shamba
Total**

1
15–29 Jan
72
N/A
72
2
2–20 March
25
47
72
2b*
29 Mar–4 Apr
40
N/A
40
3
6–27 Apr
35
67
102
4
12–23 May
32
69
104
5
11–27 Jun
28
69
98
6
23 Jul–1 Aug
61
26
87

* additional sample to compensate for losses to follow-up, as explained in the text

** in round 4 and 5, the differences between the sum of the two locations and the total value are due to missing information on the interview location

N/A = Not applicable

Hetzel et al. Malaria Journal 2008 7:7   doi:10.1186/1475-2875-7-7

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