By Anonymous - December 10, 2018

Covariates

INCOME

The categorical baseline variable INCOMEY is turned into a numeric INCOME variable using the following mid-points to represent the annual income in US dollars.

INCOMEY INCOME Catagory
1 5000 Less than 10,000
2 15000 10,000 - 20,000
3 25000 20,000 - 30,000
4 40000 30,000 - 50,000
5 62500 50,000 - 75,000
6 87500 75,000 - 100,000
7 150000 100,000 - 200,000
8 250000 Over 200,000

Code