Babu D S, Chuttani C S, Murty N S
Int J Epidemiol. 1978 Jun;7(2):183-4. doi: 10.1093/ije/7.2.183.
The smoking habits of 1284 school children in Delhi Urban Areas (India) were studied. The prevalence of cigarette smoking was 8.7% overall, increasing from 5.4% amongst boys age 14 to 26.7% at age 19. Nearly 80% started smoking between the ages of 11 to 14 years. Smoking habit was associated with family income and presence of smokers in the family.
对印度德里市区1284名学童的吸烟习惯进行了研究。总体而言,吸烟率为8.7%,14岁男孩的吸烟率为5.4%,19岁时升至26.7%。近80%的人在11至14岁开始吸烟。吸烟习惯与家庭收入及家中是否有吸烟者有关。