Table 2.

Niigata Persistent Postural-Perceptual Dizziness Questionnaire (8). Instructions: The purpose of this questionnaire is to identify difficulties in daily life that you may be experiencing due to dizziness. Please indicate your answer by circling the number that best describes the extent to which you have been affected during the past week. When you avoid performing these actions, you should circle the number 6.

	None Unbearable
Q1. Quick movements such as standing up or turning your head	0 1 2 3 4 5 6
Q2. Looking at large store displays	0 1 2 3 4 5 6
Q3. Walking at your natural pace	0 1 2 3 4 5 6
Q4. Watching TV or movies with intense movement	0 1 2 3 4 5 6
Q5. Riding a car, bus, or train	0 1 2 3 4 5 6
Q6. Sitting upright in a seat without back and arm support	0 1 2 3 4 5 6
Q7. Standing without touching fixed objects	0 1 2 3 4 5 6
Q8. Watching a scroll screen on PC or smartphone	0 1 2 3 4 5 6
Q9. Performing activities such as housework or light exercise	0 1 2 3 4 5 6
Q10. Reading small letters in a book or newspaper	0 1 2 3 4 5 6
Q11. Striding at a rapid pace	0 1 2 3 4 5 6
Q12. Riding an elevator or escalator	0 1 2 3 4 5 6