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. 2021 Aug 25;23(8):e28716. doi: 10.2196/28716

Table 2.

Descriptive statistics and bivariate associations for outcomes and regressors.

Outcomes and regressors Days with event, March 12 to October 31 (n=235), n (%) Tweet frequency (days with condition) Gini index (days with condition) Positive to negative ratio (days with condition)


Mean (SD) P valuea Mean (SD) P valuea Mean (SD) P valuea
Business closure

Nonessential businesses closed 143 (60.9) 5384.90 (1136.55) <.001 24.33 (0.78) <.001 35.28 (10.22) .25

Nonessential businesses open 92 (39.1) 4127.85 (1285.98)
23.95 (0.92)
33.46 (10.98)
School closure

Schools open 126 (53.6) 4302.24 (1222.53) <.001 24.03 (0.90) .003 33.27 (10.84) .045

Schools closed due to COVID-19 109 (46.4) 5575.42 (1141.91)
24.36 (0.76)
36.06 (10.03)
Additional restrictions

No restriction announcements 223 (94.9) 4876.51 (1354.63) .45 24.22 (0.84) .003 34.23 (10.62) .04

New or updated restriction announced 12 (5.1) 5195.16 (1122.22)
23.46 (0.75)
40.83 (6.40)
Regional differences in lockdown

Province-wide lockdown 169 (71.9) 5137.50 (1334.11) <.001 24.23 (0.85) .17 34.44 (9.85) .08

Partial lockdown 61 (23.0) 4347.68 (1094.77)
24.08 (0.85)
35.66 (12.07)

No regions under lockdown 5 (2.1) 3271.60 (1587.16)
23.76 (0.93)
25.34 (10.76)
Statutory holidays

Holidays (with attached weekends) 17 (7.2) 4016.06 (1249.85) .005 24.86 (0.52) <.001 24.41 (9.34) <.001

Nonholidays 218 (92.8) 4961.15 (1329.05)
24.13 (0.85)
35.36 (10.23)
New COVID-19 case counts (in hundreds of cases)

Low (0-1.57) 78 (33.2) 4158.34 (963.00) <.001 24.05 (0.73) .18 35.01 (10.15) .40

Medium (1.58-4.04) 76 (32.3) 5275.28 (1282.49)
24.21 (0.89)
35.51 (10.21)

High (4.05+) 81 (34.5) 5241.12 (1434.39)
24.28 (0.92)
33.25 (11.20)
New COVID-19 case counts in Canada (in hundreds of cases)

Low (0-4.53) 78 (33.2) 4185.12 (1143.35) <.001 24.22 (0.75) .17 33.70 (10.67) .24

Medium (4.54-12.36) 77 (32.8) 5174.81 (1211.07)
24.08 (0.95)
36.06 (10.23)

High (12.37+) 80 (34.0) 5311.31 (1382.81)
24.26 (0.86)
33.99 (10.70)
Official announcements of COVID-19 developments (WHOb declarations, release of reopening plans, etc)

No announcement 218 (92.8) 4848.34 (1342.49) .10 24.22 (0.01) .01 34.35 (10.31) .21

Announcement 17 (7.2) 5462.65 (1258.50)
23.69 (0.92)
37.34 (13.27)

aP values were calculated for Kruskal-Wallis tests for differences in means across levels.

bWHO: World Health Organization.