Table 1 Summary statistics

From: Effects of a large-scale social media advertising campaign on holiday travel and COVID-19 infections: a cluster randomized controlled trial

 

Thanksgiving sample

Christmas sample

 

Sample

High-intensity counties

Low-intensity counties

Sample

High-intensity counties

Low-intensity counties

Number of counties

820

410

410

767

386

381

Movement, mean (s.d.)

      

Baseline movement metric

−8.73 (6.77)

−8.58 (7.10)

−8.88 (6.42)

−8.89 (6.72)

−8.69 (6.88)

−9.09 (6.56)

Baseline leave home

82.41 (2.47)

82.33 (2.42)

82.49 (2.53)

82.42 (2.41)

82.40 (2.43)

82.44 (2.40)

Missing baseline Facebook outcomes

0.15 (0.36)

0.13 (0.34)

0.17 (0.38)

0.12 (0.32)

0.11 (0.32)

0.13 (0.33)

COVID-19, mean (s.d.)

      

Baseline fortnightly cases

590.30 (2,297.94)

683.90 (3,032.94)

496.70 (1,165.17)

626.84 (2,371.71)

654.77 (3,067.53)

598.54 (1,343.02)

Baseline fortnightly deaths

5.07 (17.63)

5.51 (22.35)

4.64 (11.08)

5.38 (18.19)

5.70 (23.07)

5.07 (11.29)

Demographic, mean (s.d.)

      

Share urban

0.46 (0.34)

0.47 (0.34)

0.44 (0.34)

0.49 (0.33)

0.48 (0.33)

0.50 (0.33)

Share Democrats

0.36 (0.15)

0.36 (0.15)

0.35 (0.15)

0.37 (0.15)

0.37 (0.15)

0.37 (0.15)

Share Republicans

0.62 (0.15)

0.62 (0.16)

0.63 (0.15)

0.61 (0.15)

0.61 (0.15)

0.61 (0.15)

Population in 2019

112,654 (317,672)

122,491 (349,501)

102,818 (282,369)

119,811 (327,266)

116,787 (344,511)

122,875 (309,239)

  1. Summary statistics on baseline variables, for both Thanksgiving and Christmas samples. Baseline = 13 November 2020.