Table 1.

Networks representing student contacts at schools.

network version	contact time aggregation (days)	contact duration change
dynamic alternating (D)	—	—
static alternating (S1)	1	—
static averaged (S2)	2	—
homogeneous (H)	2	average all
shuffled (Sh)	2	shuffle all
homogeneous by grade (HG)	2	average by grade
homogeneous by class (HC)	2	average by class
shuffled by class (ShC)	2	shuffle by class