Using SAS and following the instruction. I NEED THE CODE.
Most important is to do data curation (merge), and formal analysis
Variables which needs for: (label them)
1. smoke history
2. smoke during pregnancy
3. BMI
4. self-rated health
5. number of months have immune
6. age during the birth
7. education level
Baby weight (birth outcome) is the result I want to study(or research) about.
Also, here is an example for you to see. (https://journals.sagepub.com/doi/10.1177/0022146521997811)
(If you can not open the dataset please use this link, I only need four data sets, thank you. https://dataverse.unc.edu/dataverse/addhealth)
