Lopez L C
Department of Education and Psychology, Western New Mexico University, Silver City 88061.
Int J Addict. 1992 Oct;27(10):1131-5. doi: 10.3109/10826089209047339.
A telephone survey was conducted in order to assess the prevalence of smokeless tobacco consumption in Grant County, New Mexico. Systematic random sampling was used, and 1 out of 25 phone numbers were selected from the county telephone directory. One hundred seventy-eight respondents were surveyed. Thirty-three percent of 96 males and 7% of 82 females identified themselves as smokeless tobacco users.
为评估新墨西哥州格兰特县无烟烟草的消费情况,开展了一项电话调查。采用系统随机抽样法,从该县电话簿中每25个电话号码抽取1个。共对178名受访者进行了调查。96名男性中有33%、82名女性中有7%称自己是无烟烟草使用者。