The rise in popularity of e-cigarettes is a contentious topic. Are they good because they’re a safer alternative to conventional cigarettes? Or are they bad because they renormalize smoking, making it harder for smokers to quit? Research published today in BMC Medicine, looking at over 12,000 smokers, unexpectedly found that those who were regularly exposed to e-cigarette use by others were more likely to be highly motivated to quit. Here the lead author, Sarah Jackson, tells us more.
Monthly Archives: November 2018
A key step in designing a randomized trial is choosing the sample size. Too small and the study is underpowered, too large and you may have wasted time and resources in needlessly recruiting patients. The new DELTA2 guidance aims to assist researchers in sample size calculations and improve trial quality and reporting.