Table 4 Coding of COVID-19 related confinement variables (adapted from Hale and colleagues33).

From: How” web searches change under stress

Variable description

Coding instructions

Closings of schools and universities

0—No measures

1—Recommend closing, or all schools open with alterations resulting in significant differences compared to usual, non-COVID-19 operations

2—Require closing (only some levels or categories, e.g., just high school, or just public schools)

3—Require closing all levels

Closings of workplaces

0—No measures

1—recommend closing (or work from home)

2—require closing (or work from home) for some sectors or categories of workers

3—require closing (or work from home) all-but-essential workplaces (E.g., grocery stores, doctors)

Cancelling public events

0—No measures

1—Recommend cancelling

2—Require cancelling

Cut-off size for bans on gatherings

0—No restrictions

1—Restrictions on very large gatherings (the limit is above 1000 people)

2—Restrictions on gatherings between 101–1000 people

3—Restrictions on gatherings between 11–100 people

4—Restrictions on gatherings of 10 people or less

Closing of public transport

0—No measures

1—Recommend closing (or significantly reduce volume/route/means of transport available)

2—Require closing (or prohibit most citizens from using it)

Orders toshelter-in- placeand otherwise confine to home

0—No measures

1—recommend not leaving house

2—require not leaving house with exceptions for daily exercise, grocery shopping, and ‘essential’ trips

3—Require not leaving house with minimal exceptions (E.g., allowed to leave only once a week, or only one person can leave at a time, etc.)

Restrictions on internal movement

0—No measures

1—Recommend not to travel between regions/cities

2—internal movement restrictions in place

Restrictions on international travel

0—No measures

1—Screening

2—Quarantine arrivals from high-risk regions

3—Ban on arrivals from some regions

4—Ban on all regions or total border closure