During the past 30 days, have you ever nodded off or fallen
asleep, even just for a brief moment, while driving?

Response Unweighted Frequency Weighted Percentage Standard Error 95% Confidence Limit
Lower Upper
Yes 163 3.7 0.4 2.9 4.4
No 5385 93.7 0.5 92.8 94.6
Do not drive 193 2.5 0.3 1.9 3.0
Do not have license 11 0.2 0.1 0.0 0.3

Among all respondents, excluding unknowns and refusals.
On Questionnaire Split B