3 primary data sets were used extensively in the research reported in Bowling Alone: Collapse and Revival of American Community:
- I. The DDB Life Style data, made available through the generosity of DDB Worldwide of Chicago, Illinois, who retain appropriate rights, including copyright, on these data, while allowing fair use for scholarly and academic research. Copyright 1975-1998 by DDB Worldwide. Also available for downloading is a simple summary of the 389 variables in this data set. In all this data set covers 1975-1998 with a total unweighted sample size of 84989.
- II. The 14 state-level measures of social capital, along with the Comprehensive Social Capital Index, are described in Table 4 and pp. 290-291, of Bowling Alone; the underlying sources of these data are given in the end notes to those pages.
- III. The 3rd data set, the Roper Social and Political Trends archive, is archived at the Roper Center for Public Opinion Research.
