Auxiliary variable Response mode
Telephone Mail Web
Average age 55.5 51 45.5
 w/ dependents 45.4 44 43.3
 No dependents 60.3 54.6 46.9
Average income
 Married 116,807 134,896 116,552
 Not married  36,657  40,928  38,664
Rural 46% 41% 38%
Schedule C present 23% 21% 23%
Schedule D present 41% 33% 37%
Filed electronically 62% 54% 66%
Preparation method
 Paid preparer 75% 67% 58%
 Self-paper 9% 14% 9%
 Self-software 16% 19% 34%