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Table 3 Groups of potential contact partners

From: Reconstructing the 2003/2004 H3N2 influenza epidemic in Switzerland with a spatially explicit, individual-based model

Activity categories Group definition
Home All individuals living in one household.
Work 1) Grid cell group: all individuals working within a grid cell1.
  2) Work group: all individuals working within one grid cell1 are randomly assigned to work groups. The target group size distribution is a normal distribution with a mean of 10 (SD = 2).
Education 1) Grid cell group: all individuals performing an educational activity within a grid cell1.
  2) Class A: all individuals aged 18 or younger within one grid cell1 are assigned to classes. The target class size is 20 students and classes are stratified by age.
  3) Class B: all individuals older than 18 within one grid cell1 are randomly assigned to classes. The target class size is 20 students. There is no age stratification.
Shop All individuals shopping within a grid cell1.
Leisure All individuals performing leisure activities within a grid cell1 (not at home).
  1. 1The physical space is divided into grid cells of 500 by 500 meters.