Table 1 The risk indicators original data are reported for each Italian region, together with their sources.

From: A novel methodology for epidemic risk assessment of COVID-19 outbreak

Indicator

Mobility index

Housing concentration

Healthcare density

Pollution

Temperature

Age of population

Population

Data source

www.urbanindex.it

www.urbanindex.it

www.dati.salute.gov.it

www.who.int/airpollution/data/cities/en

www.politicheagricole.it

www.istat.it/it/archivio/104317

www.istat.it/it/archivio/104317

Definition

Ratio between commuting flows and employed population

Ratio between the number of "non detached houses" and the total number of houses

Number of hospital beds per 10.000 inhabitants

Annual average of PM10 daily mean concentration

Average winter daily mean temperature (from 12/2016 to 04/2017)

Ratio between over 60 population and total population

Total residents living in the region

Region

Dimensionless

Dimensionless

# beds/inhab. ('0000)

mg/m3

°C

Dimensionless

Inhabitans

Abruzzo

0.752

0.871

33.8

24.3

5.4

0.281

1.307.309

Basilicata

0.738

0.869

32.2

18.7

8.4

0.267

578.036

Calabria

0.775

0.917

29.6

22.9

10.5

0.252

1.959.050

Campania

0.762

0.863

31.2

31.1

8.5

0.222

5.766.810

Emilia-Romagna

0.823

0.851

40.1

24.8

5.7

0.293

4.342.135

Friuli-Venezia Giulia

0.823

0.952

35.7

21.9

4.0

0.308

1.218.985

Lazio

0.793

0.834

37.8

25.3

7.7

0.265

5.502.886

Liguria

0.788

0.903

36.4

20.7

6.8

0.344

1.570.694

Lombardia

0.844

0.961

38.9

29.5

3.6

0.271

9.704.151

Marche

0.801

0.795

33.9

23.9

6.6

0.292

1.541.319

Molise

0.735

0.871

39.2

18.9

7.1

0.287

313.660

Piemonte

0.799

0.862

38.1

26.3

2.5

0.303

4.363.916

Puglia

0.767

0.950

31.0

23.2

9.6

0.253

4.052.566

Sardegna

0.767

0.962

35.3

22.4

10.7

0.266

1.639.362

Sicilia

0.794

0.942

31.6

21.7

11.9

0.250

5.002.904

Toscana

0.815

0.857

32.7

22.7

7.2

0.306

3.672.202

Trentino-Alto Adige

0.807

0.888

40.8

18.1

 − 1.0

0.247

1.029.475

Umbria

0.795

0.805

37.0

22.2

6.4

0.303

884.268

Valle d'Aosta

0.805

0.919

38.6

21.4

 − 2.3

0.279

126.806

Veneto

0.838

0.884

36.1

27.6

4.3

0.268

4.857.210