Sentence examples for define smokers from inspiring English sources

Similar criteria were used to define smokers and BN chewers.

We defined smokers in both cases and controls on the basis of having had a lifetime exposure of more than 100 cigarettes.

18 We defined smokers as those who were currently smoking.

We defined smokers as those who smoked more than one cigarette/pipe per day for at least half a year.

Because only a limited number of subjects (nine subjects) were ex-smokers, we defined smokers as those who reported current smoking and we included ex-smokers with the nonsmokers.

As an indicator of smoking status, expired carbon monoxide (CO) concentrations were taken in private and recorded using a piCOsimple Smokerlyzer (Bedfont Scientific UK, England) with a reading above 10 ppm used as cut-off for defining smokers [ 51].

Regarding smoking status, the following groups were defined: current smokers, non-smokers, ex-smokers and ever-smokers.

Subjects who were current or former smokers were defined as smokers.

Infrequent or "sometime" smokers are defined as smokers who smoked less than 12 days per month.

Frequent smokers are defined as smokers who smoked every day or greater than 12 days per month.

Questions and criteria to define cigarette smokers and BN chewers were similar.