These files contain road network connectivity measures within 1, 3, 5, and 8.05 km (5 miles) of the Wave I and III respondent locations.

Wave I and III Crime Files

The county-level crime data in these files are based on the Wave I and III respondent locations.

Wave I and III Geocode Source

The data source of the Wave I and III respondent residential geocodes (latitude and longitude) are provided in these files.

Wave I and III Land Cover Data

These files contain land cover metrics within 1, 3, 5, and 8.05 km (5 miles) of Wave I and III respondent locations.

Wave I and III Parks Data

The counts of public parks within a Euclidean distance of 1, 3, 5, and 8.05 kilometers (5 miles) of each respondent at Wave I and III are in these files.

Wave I and III Resources Data

These Add Health files provide data on the presence of various physical activity (PA) resources situated near respondent residences at Wave I and III.

Wave I and III Urban Distances

W1URBDST contains Euclidean distances to both 1990 and 2000 U.S. Census Urbanized Areas (UAs) for each Wave I respondent.  W3URBDST contains the Euclidean distance to 2000 U.S. Census Bureau-defined urbanized areas (UAs) for each Wave III respondent.

Wave I School Distance Measures

This file contains the distance between the geocoded point locations of each respondent’s Wave I location and that respondent’s school.

Wave III MSA Pseudo Codes

The MSA pseudo code created for each respondent’s Wave III location is in this file.

Wave III Mobility Data

W3MOBIND reports the distance between each respondent’s geocoded point location for each survey wave and that respondent’s school location, along with the respondent’s move distance between each survey wave.

Wave III Climate Data

This file contains climate data for each Wave III respondent based on the nearest climate station.  Information is available on precipitation, total snowfall, sky cover, temperature, and total hours of sunshine.

Wave III Population Density

The Wave III population density file contains the proportion of 2000 U.S. Census block group population and area (in square meters) within 1, 3, 5, and 8.04672 km (5 mi) of each Wave III respondent.

Wave III Weather Data

This file contains weather data for each Wave III respondent based on the nearest weather station reporting data for the corresponding survey month and year.