pid: 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	

age	

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

education:	

EmploymentStatus: 
1 - Not currently employed
2 - Working part time
3 -  Working full time

Howlong ("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

Field ("Which of the following categories best describes your current employment?"?)	

educationNum: 
0 - No degree
1 - High school diploma
2 - Associate degree, occupational
3 - Associate degree, academic
4 - Bachelor's degree
5 - Master's degree
6 - Professional degree
7 - Doctoral degree	

tobacco ("Do you smoke cigarettes or otherwise use tobacco products? If so, how often?")

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 future uncertainty, 1, if participant chose future more often under future uncertainty, -1, else if the same, 0

uncertainEffectL: if participant chose immediate losses more often under future uncertainty, 1, if participant chose future more often under future 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
