@article {DautzenbergPA2025, author = {Bertrand Dautzenberg and Pierre Birkui and Nicole Rieu and Marie-Dominique Dautzenberg}, title = {Nicotine dosage in e-liquide use by Parisian schoolchildren?}, volume = {48}, number = {suppl 60}, elocation-id = {PA2025}, year = {2016}, doi = {10.1183/13993003.congress-2016.PA2025}, publisher = {European Respiratory Society}, abstract = {The e-cigarette has been experienced by 86.2\% of smokers and 25.9\% of non-smokers in Parisian schoolchildren according to the 2015 PST survey on 3516 schoolchildren. We investigate on the nicotine content of the e-liquid used by theses schoolchildren.Methods: In the 2015 survey conducted by PST on a randomized sample of 2\% of 12-19 y.o. Parisian schoolchildren, we analysed the nicotine content in e-liquid.Results: 371 of the 1256 schoolchildren of the study who had experienced e-cigarette precise nicotine level used. Among respondents 189 (50.9\%) report use a non-nicotine e-liquid. The female are 54.6\% to use non nicotine e-liquid and the male 44.4\%. Non-nicotine e-liquid are more used in 12-15y.o. (60.7\%) than in 16-19 y.o. (42.9\%)The majority of non-daily smokers used non nicotine-liquid then the vast majority of smoker use non nicotine e-liquid (figure).Among those who have just experienced e-cigarette, 56.8\% use e-liquid without nicotine, while among those who used e-cigarettes last 30 days are 43.6\% has used no-nicotine a liquid.Conclusions: Then non-nicotine e-liquid represent less than 5\% of the French e-liquid market it represent the majority of e-liquid used by children. Prospective studies are needed to understand how adolescent using non-nicotine e-liquid change their consumption over the time to stop all consumption or to switch to tobacco, or remain non-nicotine or nicotine e-cigarette users.}, issn = {0903-1936}, URL = {https://erj.ersjournals.com/content/48/suppl_60/PA2025}, eprint = {https://erj.ersjournals.com/content}, journal = {European Respiratory Journal} }