Table 1.

Contents of the Research Questionnaire.

Measures	Items		Response Scale
Caregivers’ difficulties in asking their child to adopt self-protective behaviors against COVID-19	How often do you find it difficult to ask your child to do the following things during the COVID-19 pandemic?		0 = never, 1 = seldom, 2 = sometimes, 3 = often
	Item 1: Washing hands frequently
	Item 2: Keeping the mask on at all times
	Item 3: Not touching the mouth and/or nose
	Item 4: Not touching anything in public places
	Item 5: Not going to crowded places
	Item 6: Practicing social distancing and not touching others
Caregivers’ difficulties in managing their child’s daily performance	How often do you find it difficult to manage the following day-to-day activities of your children during school closures and delayed school openings due to the COVID-19 pandemic?		0 = never, 1 = seldom, 2 = sometimes, 3 = often
	After-school learning	Item 1: Asking my child to finish homework
	Sleep routine	Item 1: Asking my child to go to bed on time
		Item 2: Asking my child to wake up on time
	Internet use	Item 1: Managing my child’s internet use via smartphone phones
		Item 2: Managing my child’s internet use via personal computers
Changes in psychological symptoms	Compared with those before the pandemic, do the psychological symptoms change during the COVID-19 pandemic?		0 = improved, 1 = no change, 2 = mildly worsened, 3 = significantly worsened
	Item 1: Not being able to concentrate
	Item 2: Being overactive physically
	Item 3: Not being able to control their impulsive behavior
	Item 4: Being easily angered and upset
	Item 5: Having a tendency to argue and rebel
	Item 6: Feeling depressed and down
	Item 7: Feeling anxious and getting worried easily
Child’s taking medication for treating ADHD	How often does your child take medication prescribed by doctors for treating ADHD?		0 = never, 1 = seldom, 2 = sometimes, 3 = often

ADHD: attention-deficit/hyperactivity disorder; COVID-19: coronavirus disease 2019.