The weighting and sample design variables should be in the data sets. You would have to reference them. Typically the CDC websites have some example analysis code you should be able to crib from regarding the survey proc syntax and the sample design elements needed.   https://www.cdc.gov/healthyyouth/data/yrbs/pdf/2017/2017_YRBS_analysis_software.pdf has some example code for analysis using different software packages including SAS with an example using SURVEYFREQ. The other survey procs would use the same Weight,  Strata and Cluster statements assuming your data has those variables. ... View more