Leeder S R, Peat J K, Woolcock A J, Blackburn C R
Aust N Z J Med. 1977 Oct;7(5):470-5. doi: 10.1111/j.1445-5994.1977.tb03367.x.
Cigarette smoking habits of a cohort of Sydney schoolchildren aged 12--13 years in 1971 have been recorded for four years. Smoking prevalence increases steadily over those years, 2.3% of boys and 0.5% of girls smoking 20 or more cigarettes a week at age 12.7 years in 1971, rising to 23.6% of boys and 17.6% of girls by age 15.6 years in 1974. A substantial increase in smoking prevalence in children aged 15.6 years was found in 1974 compared with a similarly aged group studied by the National Health and Medical Research Council (Australia) Subcommittee on Smoking in 1968. Quite a few children changed their smoking habits during the study. Children who changed or left schools smoked more than children who remained at the one school. Attacks of asthma or bronchitis were not related to smoking except that girls who were very heavy smokers reported more of these illnesses in 1974. No changes in lung function could be attributed to smoking by age 14.6 years. New approaches to smoking need to be evaluated in view of its rising prevalence, especially among older schoolchildren.
1971年对一群年龄在12至13岁的悉尼学童的吸烟习惯进行了为期四年的记录。在这些年里，吸烟率稳步上升，1971年12.7岁时，2.3%的男孩和0.5%的女孩每周吸食20支或更多香烟，到1974年15.6岁时，这一比例上升至23.6%的男孩和17.6%的女孩。与澳大利亚国家卫生与医学研究委员会吸烟问题小组委员会1968年研究的同龄组相比，1974年15.6岁儿童的吸烟率大幅上升。在研究期间，相当多的儿童改变了他们的吸烟习惯。转学或离校的儿童比留在同一所学校的儿童吸烟更多。哮喘或支气管炎发作与吸烟无关，只是1974年吸烟量很大的女孩报告患这些疾病的更多。到14.6岁时，肺功能的变化不能归因于吸烟。鉴于吸烟率不断上升，尤其是在大龄学童中，需要对新的吸烟防治方法进行评估。
