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Table 2 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)

From: Don't spin the pen: two alternative methods for second-stage sampling in urban cluster surveys

   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
  1. *Includes collection of GPS points along perimeter of quartier and selection of starting point.
  2. +Includes scanning map of quartier, superimposing grid and selection of starting point.
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Emerging Themes in Epidemiology

ISSN: 1742-7622