Terje Aven, Roger Flage
A risk science perspective on liability/guilt and uncertainty judgements in courts
Risk analysis : an official publication of the Society for Risk Analysis
study aimed evaluate prevalence smoking factors affecting smoking status attitudes elementary school students towards smoking prohibition law approved july 2009 city universe descriptive study 6th7th8th class 8236 urban 4937 semiurban total 13173 elementary schools students city center study population determined basis previous study smoking trial prevalence found 175 831 students 6 urban 3 semiurban total 9 schools chosen randomly questionnaire prepared investigating smoking status effects smoking family history among 9 chosen schools questionnaire applied 615 students spss 140 statistical package used fortyseven percentages students female prevalence smoking trial found 235 16 urban 35 semiurban schools prevalence smoking 71 17 urban 157 semiurban schools mean age first smoking trial 1004 23 smoking prohibition law supported 866 students warnings cigarette package thought effective 433 students 352 students exposed passive smoke male gender social status education level family smoker family member close friends found important risk factors smoking prevalence students early onset smoking guide smoking struggle concentrated elementary school especially semiurban areas smoking prevalence high