ResponseID: participant ID 

UncertainTime: on the intertemporal uncertainty questions, was the later (l) option uncertain, the now (n) option, or both (b)? 

UncertaintyFirst: order of presentation of scenarios. 1 = intertemporal choice with uncertainty was first, 0 = intertemporal choice under certainty was first	

Gender: 1=male, 2=female

Age	

Marital:  1=Single, 2=Living together, 3=Married, 4=Divorced or living separated, 5=Widowed

Income: 1=less than $14,999; 2=$15,000 - $24,999; 3=$25,000 - $34,999; 4=$35,000 - $49,999; 5=$50,000 - $99,999; 6=$100,000 - $199,999; 7=greater than $200,000

Edu: 1=No degree; 2=High school diploma; 3=Associate degree, occupational; 4=Associate degree, academic; 5=Bachelor's degree; 6=Master's degree; 7=Professional degree; 8=Doctoral degree

Child: "How many children do you have?"

Ethnicity: 1=Black or African American; 2=American Indian or Alaskan Native; 3=White; 4=Hispanic or Latin American; 5=Asian; 6=Other

Poli: 1=Democrat; 2=Republican; 3=Independent; 4=Libertarian; 5=Green; 6=Other

Tobacco: "Do you smoke cigarettes or otherwise use tobacco products? If so, how often?:" 1=Never; 2=Rarely; 3=About once a month; 4=About once a week; 5=Daily, or almost every day

Employ: "What is your current employment status?" 1=Working full time; 2=Working part time; 3=Not currently employed

Job_Length: "If you are currently working, how long have you been at your current job? Otherwise, if you are not employed, how long have you been out of the labor force?" 1=Less than one month; 2=Between one month and six months; 3=Between six months and one year; 4=Between one year and five years; 5=More than five years

NowChoicesG: intertemporal gains, number of times participant chose the "now" option	

NowChoicesGu: intertemporal gains with uncertainty, number of times participant chose the "now" option

NowChoicesL: intertemporal losses, number of times participant chose the "now" option

NowChoicesLu: intertemporal losses with uncertainty, number of times participant chose the "now" option

propNowG: intertemporal gains, proportion of times participant chose the "now" option	

propNowGu: intertemporal gains with uncertainty, proportion of times participant chose the "now" option

propNowL: intertemporal losses, proportion of times participant chose the "now" option	

propNowLu: intertemporal losses with uncertainty, proportion of times participant chose the "now" option

uncertainEffectG: if participant chose immediate gains more often under uncertainty, 1, if participant chose future more often under uncertainty, -1, else if the same, 0

uncertainEffectL: if participant chose immediate losses more often under uncertainty, 1, if participant chose future more often under uncertainty, -1, else if the same, 0

propNowLR: reverse score of propNowL, used to test for the sign effect in intertemporal choice

propNowLuR: reverse score of propNowLu, used to test for the sign effect in intertemporal choice

indifG: intertemporal gains, implied dollar indifference point 

indifGu: intertemporal gains under uncertainty, implied dollar indifference point

indifL: intertemporal losses, implied dollar indifference point 

indifLu: intertemporal losses under uncertainty, implied dollar indifference point
