Table 1 Sociodemographic characteristics and descriptive statistics.

From: Narratives and opinion polarization: a survey experiment

Variable

Description

Mean

SD

Rep

Dummy variable taking value 1 if the state is a lean Republican state and 0 otherwise.

0.35

0.48

Urban

Dummy variable taking value 1 if the subject lives in a metropolitan county with more than 250,000 population. Data comes from USAFacts (2020), available at http://usafacts.org/visualizations/coronavirus-covid-19-spread-map (accessed on May 15, 2020).

0.85

0.36

Male

Dummy variable taking value 1 if the subject is a male and 0 otherwise.

0.49

0.50

Age

Respondent’s age.

34.61

12.88

Income

Self-reported income level on a ten-point scale where 10 is the highest income class.

6.07

1.81

High school

Dummy variable taking value 1 if the highest level of education the respondent achieved is lower than or equal to high school.

0.35

0.48

Bachelor

Dummy variable taking value 1 if the highest level of education the respondent achieved is a bachelor’s.

0.46

0.50

Master

Dummy variable taking value 1 if the highest level of education the respondent achieved is a master’s.

0.14

0.35

Doctorate

Dummy variable taking value 1 if the highest level of education the respondent achieved is a doctorate.

0.05

0.21

Self-employed

Dummy variable taking value 1 if the subject reported to be self-employed or other.

0.16

0.36

Student

Dummy variable taking value 1 if the subject reported to be a student.

0.16

0.37

Unemployed

Dummy variable taking value 1 if the subject reported to be unemployed.

0.16

0.37

Employed

Dummy variable taking value 1 if the subject reported to be (part-time or full-time) employed.

0.52

0.50

No restriction

Dummy variable taking value 1 if no lockdown restrictions were in place at the time of the survey.

0.02

0.15

Advisory order

Dummy variable taking value 1 if only an advisory order was in effect at the time of the survey.

0.28

0.45

Person at risk

Dummy variable taking value 1 if, at the time of the survey, lockdown restrictions were in place only for persons at risk.

0.11

0.31

Lockdown

Dummy variable taking value 1 if lockdown restrictions were in place for all residents at the time of the survey.

0.59

0.49

COVID-19

Ratio between the cumulated number of COVID-19 cases officially confirmed in each state till the day before the survey experiment and the corresponding population.

0.10

0.12

  1. This table describes the socio-demographic variables used as controls in the study and provides the mean and the standard deviation of each variable