Table 2.

Pearson’s correlation coefficient between time-series of mobility reductions reported by Google⁷ and daily time-series of the average degree 〈k〉 of the proximity network.

Google mobility metric	Pearson r	p-value
retail and recreation	0.98	p < 10−6
grocery and pharmacy	0.88	p < 10−6
parks	0.97	p < 10−6
transit stations	0.97	p < 10−6
workplaces	0.95	p < 10−6