June18.zip

Sampling & Weighting • Sample Size: 1,002 U.S. adults • RDD Method: Includes cell-only and dual-phone households • Weight Variable: used for all analysis (combined landline + cell sample) 🌍 Geographic Data • Zip Code Usage: Since Fall 2008, self-reported ZIP codes are used to derive region, state, and county • Fallback: Sample-based geographic info used when ZIP is missing or unmatched • Privacy Measures: ZIP codes, phone numbers, and counties removed from public dataset 👥 Demographics • Variable Naming: Matches questionnaire labels; order may vary across surveys • Race-Ethnicity (): • Computed from and variables • Categories: • 1 = White non-Hispanic • 2 = Black non-Hispanic • 3 = Hispanic • 4 = Other • 9 = Don’t know/Refused • Income Summary (): • Derived from and probe variables , , • Categories: • 1 = Under $30K • 2 = $30K–<$50K • 3 = $50K–<$75K • 4 = $75K+ • 9 = Undesignated