|
Time taken, using each of three different methods, for teams to select and find the first household in a cluster (expressed in minutes rounded to the nearest 5) |
|||
| Central quartier |
Peripheral quartier |
||
|
|
|||
| Spin-the-pen |
Preparation |
0 |
0 |
| Field |
90 |
105 |
|
|
|
|||
| Total |
90 |
105 |
|
| GPS |
Preparation* |
40 |
70 |
| Field |
25 |
40 |
|
|
|
|||
| Total |
65 |
110 |
|
| Sample grid |
Preparation+ |
20 |
20 |
| Field |
15 |
20 |
|
|
|
|||
| Total |
35 |
40 |
|
|
*Includes collection of GPS points along perimeter of quartier and selection of starting point. +Includes scanning map of quartier, superimposing grid and selection of starting point. | |||
Grais et al. Emerging Themes in Epidemiology 2007 4:8 doi:10.1186/1742-7622-4-8 |
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