Comments on Hynes et al. Prevalence of Marijuana Use among University Students in Bolivia, Colombia, Ecuador and Peru. Int. J. Environ. Res. Public Health 2015, 12, 5233–5240

International Journal of Environmental Research and Public Health

Maria Claudia Martinez-Novack¹  Maria Teresa Ortiz-Ortiz¹  German F. Alvarado¹  Bruno Castañeda-Carbajal¹ 

[1] Facultad de Ciencias de la Salud, Escuela de Medicina, Universidad Peruana de Ciencias Aplicadas;

关键词: Cannabis;    Latin America;    epidemiology;    prevalence proportion;    participation rate;   

DOI  :  10.3390/ijerph120911718

来源: DOAJ

【 摘 要 】

We have read and analyzed the article entitled “Prevalence of marijuana use among university students in Bolivia, Colombia, Ecuador and Peru”. We propose some objective points which could enhance the internal validity of the study (i.e., we suggest to report participation proportions).

【 授权许可】

Unknown