A pack of 20 cigarettes in the USA averages between $8.00 and $10.25
A lot of its customers smoke, so in March 2012, Family Dollar started selling cigarettes
Extra nicotine can also be added during the nicotine-enriching process
We talked informally to a number of vape shop customers who told us that they found first-generation e-cigarettes not very helpful when they were trying to quit regular smoking
Secondary outcomes There was no clear evidence of a difference in post-intervention scores of heaviness of smoking (mean difference = 0.30, F (1,72) = 1.263, p = 0.27, motivation to stop smoking (mean difference = 0.46, F (1,72) = 2.012, p = 0.16) or autonomy over smoking (mean difference = 0.25, F (1,72) = 0.042, p = 0.84) between study arms with adjustment for the same measures taken at baseline (Table 2)