Table 2.

Reported change for each ADHD symptom in comparison to normal state

	Score	SD	t	Cohen’s d
1. Careless mistakes	2.09	0.48	3.47*	0.23
2. Fidgeting	2.27	0.59	7.17**	0.46
3. Difficulty keeping attention	2.31	0.64	7.64**	0.48
4. Leaves seat	2.10	0.40	3.92**	0.25
5. Does not listen	2.07	0.47	2.31*	0.15
6. Feels restless	2.24	0.55	6.89**	0.43
7. Does not follow through	2.13	0.48	4.20**	0.27
8. Difficulty relaxing	2.06	0.64	1.38	0.09
9. Difficulty organizing	2.10	0.58	2.62*	0.17
10. On the go	2.13	0.57	3.57**	0.23
11. Avoids effort	2.37	0.76	7.72**	0.49
12. Talks excessively	2.01	0.42	0.30	0.02
13. Loses things	2.02	0.45	0.70	0.04
14. Rules conversation one-sidedly	1.99	0.37	0.52	0.03
15. Easily distracted	2.25	0.57	6.80**	0.43
16. Difficulty waiting turn	2.00	0.22	0.00	0.00
17. Forgetful	2.06	0.47	2.04*	0.13
18. Interrupts others	2.01	0.26	0.73	0.04

One sample t-test was administered to investigate if there is a significant change between the two points, i.e., before and during the pandemic. The score indicating “no difference” for each 18 variable was 2. The score of each item ranges from 1 to 4. *p<0.05; **p<0.001. ADHD, attention deficit hyperactivity disorder; SD, standard deviation