Changes in tobacco and e-cigarette consumption in spanish university students during the covid-19 lockdown: identification of vulnerable groups

HIGHLIGHTS

• who: Vu00edctor J. Villanueva-Blasco and collaborators from the Among the limitations of the study, is the convenience sample, without random selection or stratified sampling, which makes it difficult to generalize the findingsLikewise, the sample distribution in the different comparison groups by age, gender and living situation is not homogeneous. Other variables not considered may be influencing the results. Even though the limitations inherent to the lockdown restrictions justify collecting the data through an online survey, it must be regarded as a limitation References in terms of how representative is the sample, given, . Spanish Network of Health . . .
  

   

  

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