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Table 1 Existing COVID-19 Policy Responses Coding Frameworks

From: Strengthening policy coding methodologies to improve COVID-19 disease modeling and policy responses: a proposed coding framework and recommendations

Authors No. of Domains List of Domains Intra-Domain Coding (binary or ordinal scale) Data Source(s)
Adolph et al. [2] 5 gathering restrictions;
school closures;
restaurants;
non-essential businesses;
stay-at-home orders
Binary (later supplemented to include additional domains and some intra-domain scales) Primary source policies
Krishnamachari et al. [3] 5 gathering restrictions;
school closures;
restaurants;
non-essential businesses;
stay-at-home orders
Binary Adolph et al./Fullman et al. database
McGrail et al. [13] 1 lockdowns Binary Aura Vision Global COVID-19 Lockdown Tracker (which primarily relies on media reports)
Killeen et al. [5] 6 stay at home order;
gathering ban greater than 50; gathering ban greater than 500; public school;
restaurant dine-in; entertainment/gym
Binary Media reports
Courtemanche et al. [6] 4 large event bans;
entertainment-related businesses; school closures;
shelter in place orders
Binary Killeen et al. dataset
Fowler et al. [7] 1 Stay at home orders Binary New York Times website and local media reports
Abouk & Heydari [8] 6 statewide stay-at-home orders; stay-at-home orders only applying to certain populations or only certain counties or cities; non-essential business closures; large gathering bans; school closure mandates; restaurant and bar limits Binary Primary source policies collected by Kaiser Family Foundation “State Data and Policy Actions”
Strickland et al. [9] 3 stay at home orders;
non-essential services closed;
educational facilities closed
Binary UW IHME website
Lasry et al. [10] 5 (statewide policy domains)
6 (local policy domains)
limits on mass gatherings;
limits on senior living facilities;
school closures;
limits on bars and restaurants;
stay-at-home/shelter-in-place orders;
curfews
Binary Primary source policies and media reports
Hale et al. [11] 6 school closing; workplace closing; cancel public events; restrictions on gatherings; close public transport; and stay at home requirements Ordinal scale (0–2; 0–3; or 0–4) Media reports; primary source policies