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Table 3 Comparison of emotions according to the words used on different dates

From: Analysis of tweets on toothache during the COVID-19 pandemic using the CrystalFeel algorithm: a cross-sectional study

Date Emotions “Corona, Dental Pain” “Corona, Tooth, Pain” “Corona, Toothache” “Covid-19, Dental Pain” “Covid-19, Tooth, Pain” “Covid-19, Toothache” Test statistics p
11 March 2020–31 March 2020 Joy 0 (0) 1 (7,7) 0 (0) 1 (4,5) 0 (0) 0 (0) \({\chi }^{2}\) = 14,207 0.510
Anger 1 (14,3) 4 (30,8) 10 (20) 1 (4,5) 2 (15,4) 5 (16,7)
Fear 6 (85,7) 8 (61,5) 39 (78) 19 (86,4) 10 (76,9) 25 (83,3)
Sadness 0 (0) 0 (0) 1 (2) 1 (4,5) 1 (7,7) 0 (0)
Total 7 (100) 13 (100) 50 (100) 22 (100) 13 (100) 30 (100)
1 April 2020–30 April 2020 Joy 0 (0) 0 (0) 0 (0) 1 (5) 1 (3,8) 3 (10) \({\chi }^{2}\) = 15,581 0.410
Anger 0 (0) 1 (5,3) 8 (14,8) 1 (5) 3 (11,5) 2 (6,7)
Fear 13 (100) 18 (94,7) 42 (77,8) 17 (85) 20 (76,9) 24 (80)
Sadness 0 (0) 0 (0) 4 (7,4) 1 (5) 2 (7,7) 1 (3,3)
Total 13 (100) 19 (100) 54 (100) 20 (100) 26 (100) 30 (100)
1 May 2020–31 May 2020 Joy 0 (0) 1 (6,3) 0 (0) 0 (0) 0 (0) 1 (3,1) \({\chi }^{2}\) = 16,850 0.328
Anger 1 (100) 1 (6,3) 2 (11,1) 1 (5,6) 1 (9,1) 2 (6,3)
Fear 0 (0) 12 (75) 15 (83,3) 13 (72,2) 9 (81,8) 26 (81,3)
Sadness 0 (0) 2 (12,5) 1 (5,6) 4 (22,2) 1 (9,1) 3 (9,4)
Total 1 (100) 16 (100) 18 (100) 18 (100) 11 (100) 32 (100)
1 June 2020–30 June 2020 Anger 0 (0) 1 (20) 2 (22,2) 0 (0) 0 (0) 1 (14,3) \({\chi }^{2}\) = 17,014 0.074
Fear 2 (100) 4 (80) 7 (77,8) 4 (100) 3 (50) 6 (85,7)
Sadness 0 (0) 0 (0) 0 (0) 0 (0) 3 (50) 0 (0)
Total 2 (100) 5 (100) 9 (100) 4 (100) 6 (100) 7 (100)
Total Joy 0 (0) 2 (3,8) 0 (0) 2 (3,1) 1 (1,8) 4 (4) \({\chi }^{2}\) = 21,037 0.136
Anger 2 (8,7) 7 (13,2) 22 (16,8) 3 (4,7) 6 (10,7) 10 (10,1)
Fear 21 (91,3) 42 (79,2) 103 (78,6) 53 (82,8) 42 (75) 81 (81,8)
Sadness 0 (0) 2 (3,8) 6 (4,6) 6 (9,4) 7 (12,5) 4 (4)
Total 23 (100) 53 (100) 131 (100) 64 (100) 56 (100) 99 (100)
  1. \({\chi }^{2}\): Chi-square test statistics