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This data is part of the NIH Challenge grant # RC 1RC1AA019239 "Social Networks and Networking That Puts Adolescents at High Risk".
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In general terms, the SNS's goal was(is) "Understand the network effects on risk behaviors such as smoking initiation and substance use".
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.
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photoid
Photo id at the school level (can be repeated across schools). -
school
School id. -
hispanic
Indicator variable that equals 1 if the indivual ever reported himself as hispanic. -
female1
, ...,female4
Indicator variable that equals 1 if the individual reported to be female at the particular wave. -
grades1
,...,grades4
Academic grades by wave. Values from 1 to 5, with 5 been the best. -
eversmk1
, ...,eversmk4
Indicator variable of ever smoking by wave. A one indicated that the individual had smoked at the time of the survey. -
everdrk1
, ...,everdrk4
Indicator variable of ever drinking by wave. A one indicated that the individual had drink at the time of the survey. -
home1
, ...,home4
Factor 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:
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sch_friend11
, ...,sch_friend119
School friends nominations (19 in total) for wave 1. The codes are mapped to the variablephotoid
. -
sch_friend21
, ...,sch_friend219
School friends nominations (19 in total) for wave 2. The codes are mapped to the variablephotoid
. -
sch_friend31
, ...,sch_friend319
School friends nominations (19 in total) for wave 3. The codes are mapped to the variablephotoid
. -
sch_friend41
, ...,sch_friend419
School friends nominations (19 in total) for wave 4. The codes are mapped to the variablephotoid
.