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. Author manuscript; available in PMC: 2015 Nov 1.
Published in final edited form as: Subst Use Misuse. 2014 Sep 3;49(13):1833–1843. doi: 10.3109/10826084.2014.935790

Table 1.

Demographic Characteristics of Survey Respondents

Number of respondents Percentage
Total 1,031 100.0%
Age
  13–15 117 11.4%
  16–18 461 44.7%
  19–20 453 43.9%
Sex
  Male 428 41.5%
  Female 603 58.5%
Race/ethnicity
  White, non-Hispanic 592 57.4%
  Hispanic 214 20.8%
  Black 126 12.2%
  Other 99 9.6%
Annual household income
  Less than $15,000 235 22.8%
  $15,000–$39,999 270 26.2%
  $40,000–$99,999 365 35.4%
  $100,000 or more 161 15.6%
Region
  Northeast 177 17.2%
  Midwest 287 27.8%
  South 327 31.7%
  West 240 23.3%
Internet access
  Yes 934 90.6%
  No 97 9.4%
Days consumed alcohol in past 30 days
  1 295 28.6%
  2–3 308 29.9%
  4–7 207 20.1%
  8 or more 221 21.4%
Heavy episodic drinking in past 30 days
  Yes 512 49.7%
  No 519 50.3%

Internet access refers to access prior to joining the Knowledge Networks panel. Recruited panelists who did not have internet access were provided with access by Knowledge Networks. Heavy episodic drinking is defined as consuming five or more drinks in a row. Proportions in the table are unweighted.