Table 1.

Descriptive statistics of all variables.

	Group 1: metropolitan statistical areas					Group 2: top 100 largest cities
	N	Mean	Std	Min	Max	N	Mean	Std	Min	Max
Dependent variables
Work behaviour rate (%)	3,665,579	10.12	6.02	2.43	83.10	994,358	12.21	7.03	3.12	63.23
Distance travelled (km)	3,665,579	8.93	38.07	0.00	130.21	994,358	9.63	22.50	0	112.32
Non-home time (hours)	3,665,579	1.03	1.64	0.00	23.43	994,358	1.65	1.93	0	23.41
Independent variables
Time window
Before order/first case	1,131,167					288,430
0–5 days	314,201					85,130
6–14 days	471,315					127,692
15–19 days	261,854					70,946
20+ days	1,487,042					420,900
Ethnic segregation index
Ethnic diversity	52,397	0.69	0.28	0.01	1.44	15,735	0.45	0.25	0.01	1.40
Black–White dissimilarity	52,397	0.01	0.14	0	0.80	15,735	0.05	0.20	0	0.73
Hispanic–White dissimilarity	52,397	0.01	0.18	0	0.64	15,735	0.03	0.17	0	0.62
Black-White interaction	52,397	0.01	0.12	0	0.96	15,735	0.05	0.14	0	0.98
Hispanic-White interaction	52,397	0.01	0.10	0	0.96	15,735	0.05	0.16	0	0.93
Black concentration	52,397	0.002	0.11	0	0.99	15,735	0.01	0.20	0	0.97
Hispanic concentration	52,397	0.002	0.13	0	0.83	15,735	0.01	0.17	0	0.78
Control variables
Essential occupation rate (%)	52,397	17.32	5.02	0	33.32	15,735	15.45	4.12	0	32.46
Poverty rate (%)	52,397	15.43	7.64	0	100	15,735	15.24	8.02	0	63.64
No-college-degree rate (%)	52,397	77.26	12.78	0	100	15,735	80.24	14.64	45.85	100
POI mix index	52,397	1.56	0.82	0.10	1.78	15,735	1.54	0.76	0.55	1.70
County-level Trump share (%)*	954	56.98	15.55	4.12	89.85	105	38.22	16.00	4.12	73.50
COVID-19 new cases	71,550	30	162	0	5900	7,875	42	154	0	5900

^*There are 954 counties in all the 384 MSAs; 105 counties have overlaps with the top 100 cities.