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. 2017 May 22;5:117. doi: 10.3389/fpubh.2017.00117

Table 3.

Demographic variables by percentage.

Demographics Study 1 (n = 1,249) Study 2 (n = 1,244) United States (n = 323,127,513)
Gender
Males 56.5 49.5 49.2
Females 43.5 50.5 50.8
Ethnicity
Asian 8.0 7.5 5.6
Black/African-American 6.3 6.9 13.3
Hispanic/Latino 5.1 5.9 17.6
White 80.6 79.8 61.6
Politics
Left 43.2 40.2 48
Right 14.0 17.4 39
Independent 21.1 19.2 13
Moderate 2.2 3.0
Others 2.9 4.1 6
Blank 16.7 16.1
Education
High school or less 12.0 13.4 41.5
Some college 31.3 31.0 31.3
4 years of college 35.0 32.0 17.4
>4 years of college 21.7 23.7 9.8
Age [mean(SD)] 33.23 (12.29) 35.20 (11.75) Median = 37.2

We omitted 10 participants total who did not wish to report gender. We also omitted three categories of ethnicities, which constituted less than 3% (American Indian/Alaskan Native; Native Hawaiian or Pacific Islander; Other; and Do Not Wish to Say). US population statistics (except Politics) obtained using most recent available data on 1/6/2017 from www.census.gov and the American Community Survey. Statistics for Politics obtained from Pew Research Center (http://www.people-press.org/2015/04/07/2014-party-identification-detailed-tables/). We used “lean Democrat” and “lean Republican” to match our coding of participant responses as closely as possible.