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Table 4 Comparison of emotional intensity 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

Intensity

“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

Very negative

4 (57,1)a

6 (46,2)ab

21 (42)ab

5 (22,7)ab

0 (0)b

4 (13,3)ab

\({\chi }^{2}\) = 24,498

0.006

Negative

3 (42,9)a

6 (46,2)a

29 (58)ab

16 (72,7)ab

13 (100)b

26 (86,7)ab

Positive

0 (0)

1 (7,7)

0 (0)

1 (4,5)

0 (0)

0 (0)

Total

7 (100)

13 (100)

50 (100)

22 (100)

13 (100)

30 (100)

1 April 2020–30 April 2020

Very negative

6 (46,2)

13 (68,4)

23 (42,6)

9 (45)

11 (42,3)

8 (26,7)

\({\chi }^{2}\) = 14,771

0.141

Negative

7 (53,8)

6 (31,6)

31 (57,4)

10 (50)

14 (53,8)

19 (63,3)

Positive

0 (0)

0 (0)

0 (0)

1 (5)

1 (3,8)

3 (10)

Total

13 (100)

19 (100)

54 (100)

20 (100)

26 (100)

30 (100)

1 May 2020– 31 May 2020

Very negative

1 (100)

7 (43,8)

6 (33,3)

6 (33,3)

2 (18,2)

9 (28,1)

\({\chi }^{2}\) = 7,177

0.709

Negative

0 (0)

8 (50)

12 (66,7)

12 (66,7)

9 (81,8)

22 (68,8)

Positive

0 (0)

1 (6,3)

0 (0)

0 (0)

0 (0)

1 (3,1)

Total

1 (100)

16 (100)

18 (100)

18 (100)

11 (100)

32 (100)

1 June 2020–30 June 2020

Very negative

0 (0)

3 (60)

3 (33,3)

2 (50)

0 (0)

5 (71,4)

\({\chi }^{2}\) = 9,425

0.093

Negative

2 (100)

2 (40)

6 (66,7)

2 (50)

6 (100)

2 (28,6)

Total

2 (100)

5 (100)

9 (100)

4 (100)

6 (100)

7 (100)

Total

Very negative

11 (47,8)ab

29 (54,7)b

53 (40,5)ab

22 (34,4)ab

13 (23,2)a

26 (26,3)a

\({\chi }^{2}\) = 24,518

0.006

Negative

12 (52,2)ab

22 (41,5)b

78 (59,5)ab

40 (62,5)ab

42 (75)a

69 (69,7)a

Positive

0 (0)

2 (3,8)

0 (0)

2 (3,1)

1 (1,8)

4 (4)

Total

23 (100)

53 (100)

131 (100)

64 (100)

56 (100)

99 (100)

  1. \({\chi }^{2}\): Chi-square test statist; a–b same letters indicate no statistical difference