Appendix A — Datasets
SNS data
About the data
This data is part of the NIH Challenge grant # RC 1RC1AA019239 “Social Networks and Networking That Puts Adolescents at High Risk”.
In general terms, the SNS’s goal was(is) “Understand the network effects on risk behaviors such as smoking initiation and substance use”.
Variables
The data has a wide structure, which means that there is one row per individual, and that dynamic attributes are represented as one column per time.
photoidPhoto id at the school level (can be repeated across schools).schoolSchool id.hispanicIndicator variable that equals 1 if the indivual ever reported himself as hispanic.female1, …,female4Indicator variable that equals 1 if the individual reported to be female at the particular wave.grades1,…,grades4Academic grades by wave. Values from 1 to 5, with 5 been the best.eversmk1, …,eversmk4Indicator variable of ever smoking by wave. A one indicated that the individual had smoked at the time of the survey.everdrk1, …,everdrk4Indicator variable of ever drinking by wave. A one indicated that the individual had drink at the time of the survey.home1, …,home4Factor variable for home status by wave. A one indicates home ownership, a 2 rent, and a 3 a “I don’t know”.
During the survey, participants were asked to name up to 19 of their school friends:
sch_friend11, …,sch_friend119School friends nominations (19 in total) for wave 1. The codes are mapped to the variablephotoid.sch_friend21, …,sch_friend219School friends nominations (19 in total) for wave 2. The codes are mapped to the variablephotoid.sch_friend31, …,sch_friend319School friends nominations (19 in total) for wave 3. The codes are mapped to the variablephotoid.sch_friend41, …,sch_friend419School friends nominations (19 in total) for wave 4. The codes are mapped to the variablephotoid.