Data Sharing for Demographic Research
A data archive for demography and population sciences

Utilization for National Longitudinal Study of Adolescent Health (Add Health), 1994-2008: Friend Files [Restricted Use]

By default, the reports below show utilization for the last 12 months. To view a different range, please enter dates below.

Please note that this study was first released on 2009-12-18, and that our current reporting model only goes back three years (from today's date).

General Information

Unique Sessions

Total
Data/Documentation
Sessions
Data &
Documentation
Documentation
Only
Any Datasets/Files 118 = 0 118
DS1: Wave I In-Home Friendship Nominations Data 99 = 0 99
DS2: Wave II In-Home Friendship Nominations Data 86 = 0 86
DS3: Wave I In-School Friendship Nominations Data 91 = 0 91
DS4: Wave III Friends Data 92 = 0 92

Notes

The numbers above are counts of unique sessions, not counts of how many files were downloaded. I.e., a value of 12 implies that users downloaded 1 or more files from the study as part of 12 discrete sessions/visits in this time period.

Please note that the numbers above do not include distribution of restricted-use or public-use data that are not web downloadable. E.g., data distributed on CD-ROM.

Unique Users

Total
Unique
Users
Faculty Grad.
Students
Undergrads Univ.
Staff
Other Anon.
Downloads
Any Datasets/Files 42 = 0 0 0 0 0 42
DS1: Wave I In-Home Friendship Nominations Data 23 = 0 0 0 0 0 23
DS2: Wave II In-Home Friendship Nominations Data 10 = 0 0 0 0 0 10
DS3: Wave I In-School Friendship Nominations Data 15 = 0 0 0 0 0 15
DS4: Wave III Friends Data 16 = 0 0 0 0 0 16

Notes

All numbers in the table above are the number of unique users who downloaded one or more files from this study/dataset in the time period specified.

"Anon. Downloads" refers to users who download anonymously. Users who browse/download documentation files (only) are not required to login; some of our topical archives do not require login.

Please note that the numbers above do not include distribution of restricted-use or public-use data that are not web downloadable. E.g., data distributed on CD-ROM.

Downloads by Member Institutions

This study was downloaded by users at 0 institutions during the time period specified.

Notes

Institutions are only listed when users from that institution authenticated/logged in. Non-authenticated members constitute a large portion of our users and are represented in the Unique Users/Unique Sessions tables, but not in the Downloads by Member Institutions table.