Table 4.

Contacts by age and location.

Contacts at home (young, middle‐aged, old):

q h = $\left(\begin{array}{ccc}\hfill 1.7544\hfill & \hfill 1.7649\hfill & \hfill 1.3082\hfill \\ \hfill 1.7649\hfill & \hfill 1.9108\hfill & \hfill 1.2287\hfill \\ \hfill 1.3082\hfill & \hfill 1.2287\hfill & \hfill 0.5111\hfill \end{array}\right)$

Contacts at work (young, middle‐aged, old):

q w = $\left(\begin{array}{ccc}\hfill 0.0312\hfill & \hfill 0.1769\hfill & \hfill 0.0030\hfill \\ \hfill 0.1769\hfill & \hfill 5.3887\hfill & \hfill 0.1489\hfill \\ \hfill 0.0030\hfill & \hfill 0.1489\hfill & \hfill 0.0023\hfill \end{array}\right)$

Contacts at school (young, middle‐aged, old):

q s = $\left(\begin{array}{ccc}\hfill 6.9261\hfill & \hfill 0.1733\hfill & \hfill 0.0037\hfill \\ \hfill 0.1733\hfill & \hfill 0.0819\hfill & \hfill 0.0051\hfill \\ \hfill 0.0037\hfill & \hfill 0.0051\hfill & \hfill 0.0038\hfill \end{array}\right)$

Other contacts (young, middle‐aged, old):

q o = $\left(\begin{array}{ccc}\hfill 2.8675\hfill & \hfill 1.5398\hfill & \hfill 0.2267\hfill \\ \hfill 1.5398\hfill & \hfill 3.9481\hfill & \hfill 1.2921\hfill \\ \hfill 0.2267\hfill & \hfill 1.2921\hfill & \hfill 0.8290\hfill \end{array}\right)$

Total contacts (without reductions):

q h  + q w  + q s  + q o = $\left(\begin{array}{ccc}\hfill 11.5792\hfill & \hfill 3.6548\hfill & \hfill 1.5416\hfill \\ \hfill 3.6548\hfill & \hfill 11.3295\hfill & \hfill 2.6747\hfill \\ \hfill 1.5416\hfill & \hfill 2.6747\hfill & \hfill 1.3461\hfill \end{array}\right)$

Note: Contacts by age—ordered as young (0–19), middle‐aged (20–64), and old (65+)—were obtained by aggregation over more detailed data provided in Prem, Cook, and Jit (2017) and Prem et al. (2020). We present the contacts for middle‐aged working individuals not disaggregated by sectors.