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作者在科特布斯农业地区的15所学校里调查了3220名6～10年级的学生(男生1679名,女生1541名)。结果表明,男生吸烟人数从5年级的4%增加到10年级的51%。特别是在8～9年级,各校男生吸烟人数都有明显增加。然而在10年级各校男生吸烟人数却有差别。女生的吸烟人数由6年级的1%增加到10年级的33%;和男生一样,在8～9年级时也出现一个“飞跃”(由6%增加到30%)。总的来看,在被调查的学生中,男女生吸烟人数平均占19%(男生25%,女生13%)。从5到10年级,男生的吸烟量由每人每天1支增加到每人每天5支,女生是由每人每天1支增加到每人每天3支。没有发现各校吸烟量有较大差别。但各校
The authors surveyed 3220 students in grades 6 through 10 (1679 boys and 1541 girls) at 15 schools in the Cottbus agricultural area. The results showed that the number of male smokers increased from 4% in grade 5 to 51% in grade 10. Especially in the 8th to 9th grade, there was a marked increase in smoking among boys in all schools. However, there is a difference in smoking prevalence among male students in 10th grade. The number of smokers in girls increased from 1% in grade 6 to 33% in grade 10; like boys, there was also a “leap” (from 6% to 30%) in grades 8-9. Overall, among students surveyed, boys and girls smoke on average 19% (25% boys and 13% girls). From Year 5 to Year 10, the smoking prevalence of boys increased from 1 to 5 per person per day for girls and from 1 to 3 for girls per person per day. Did not find a significant difference in the amount of cigarettes in schools. But each school