In the last 24 hours, for how long have you felt nauseated or sick to your stomach?

Not at all (1)

≤1 h (2)

2-3 h (3)

4-6 h (4)

>6 h (5)

In the last 24 hours, have you vomited or thrown up?

Zero (1)

1-2 times (2)

3-4 times (3)

5-6 times (2)

≥7 times (5)

In the last 24 hours, how many times have you had retching or dry heaves without bringing anything up?

Zero (1)

1-2 times (2)

3-4 times (3)

5-6 times (2)

≥7 times (5)