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The device heats the liquid into a vapor that users inhale

To evaluate the magnitude of the perceptions of e-cigarettes compared to regular cigarettes, the characteristics of the participants (sex, race, grade in university, field of study, place of residence), and vaping device used, logistic regression was used to calculate Odds Ratios (OR) and 95% Confidence Intervals

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10 in the International Journal of Molecular Sciences, comes amid a mushrooming e-cigarette market and mounting public health worries

METHODS The study was conducted during the period from March to June 2008, the subjects enrolled in this study were divided into two groups (group I and group II)