Children's Health Study Codebook
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下载链接：
https://doi.org/10.7910/DVN/R8O7GY
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资源简介：
The Children’s Health Study (CHS) began in 1993 and has followed its participants for 15 years. The study has extensive smoking information collected through schools since early adolescence, and complete information on tobacco product use starting at age 16-18 years; 201CHS participants will be aged 20-22 in 2018.
创建时间：
2019-07-03
