R Glenn Weaver, Collin A Webster, Michael W Beets, Keith Brazendale, Lauren Schisler, Mazen Aziz
An Intervention to Increase Students' Physical Activity: A 2-Year Pilot Study
American journal of preventive medicine
identify prevalence exposure secondhand smoke shs home car among children attending 4th grade azores crosssectional study assessed childrens exposure shs convenience sample school children attending 4th grade primary schools azores entire population 4th graders elementary schools azores asked participate study n2463 2017 validated selfreported questionnaire administered 2092 students delivered signed informed consent form analyzed frequencies contingency tables performed chisquare tests results showed 561 95 ci 540582 children reported least one smoking parent overall exposure shs home 384 95 ci 363406 overall exposure shs car 276 95 ci 258293 children whose parents smokers reported exposed shs home 636 95 ci 586683 children whose parents nonsmokers 323 95 ci 302346 results showed childrens exposure shs azores high tends higher prevalence found mainland portugal parents smoke major risk factor childrens exposure shs home data justify populationwide intervention plan preventing tobacco consumption childrens exposure shs azores