The primary exposure variable was breakfast consumption (In the past week, on how many days did you eat breakfast (the first meal of the day)?
Smoking intensity: Smoking intensity was based on a composite measure using two items (α=0.82): 'During the past 30 days, on how many days did you smoke cigarettes?' (none, 1 10 days, 11 29 days or every day); 'How many cigarettes have you smoked in your life?' (none, a few puffs, 1 19 cigarettes, 20 100 cigarettes or more than 100 cigarettes).
"How many days did Aida work on this product?
HOW many days did he spend on the road?
How many days did the probe spend collecting materials?
WHAT part of the Affordable Care Act is set to begin on Oct. 1? HOW many days did the longest government shutdown last, according to this short "by the numbers" video?
"I asked somebody who worked on that film: 'How many days did you use those?' And they said: 'I think we used them once.' That was over five or six weeks.
How many days did you miss your meds? .
How many days did you miss your meds?
During the past 30 days, on how many days did you use marijuana?
During the past 30 days, on how many days did you smoke cigarettes?
