Table 1

Summary statistics for tweet rates over counties by quarter

JuulNon-Juul ENDS
Median (IQR)Mean
(SD)
Median (IQR)Mean
(SD)
Q1: Jan–Mar 20170.00 (0.00)0.03 (0.13)1.12 (2.87)3.08 (21.47)
Q2: Apr–Jun 20170.00 (0.06)0.09 (0.25)1.15 (2.88)2.68 (7.84)
Q3: Jul–Sep 20170.00 (0.10)0.15 (0.44)1.40 (3.32)2.93 (6.10)
Q4: Oct–Dec 20170.21 (1.08)0.96 (2.48)1.54 (3.52)3.11 (6.47)
Q5: Jan–Mar 20180.49 (1.75)1.40 (3.30)1.32 (3.18)3.01 (10.38)
Q6: Apr–Jun 20181.95 (4.30)3.31 (5.32)1.17 (2.75)2.58 (7.02)
Q7: Jul–Sep 20183.08 (5.12)4.67 (6.54)0.97 (2.21)2.10 (5.68)
Q8: Oct–Dec 20183.91 (6.18)6.03 (8.70)1.38 (3.16)2.81 (8.21)
  • IQR, Inter-quartile range = 75th percentile - 25th percentile; SD, Standard deviation.