Table 1 Sample characteristics by incentive group
Total | Incentive group | |||
|---|---|---|---|---|
N = 35,421 | % | Yes (N = 33,247) % | No (N = 2174) % | |
Sex | ||||
Female | 13,752 | 38.8 | 38.8 | 39.5 |
Male | 21,669 | 61.2 | 61.2 | 60.5 |
Age at 9/11 | ||||
< 18 | 692 | 2.0 | 2.0 | 2.1 |
18–24 | 2921 | 8.3 | 8.3 | 8.3 |
25–44 | 21,364 | 60.5 | 60.4 | 61.8 |
45–64 | 9730 | 27.5 | 27.6 | 26.2 |
65+ | 625 | 1.8 | 1.8 | 1.6 |
Race | ||||
Non-Hispanic white | 21,416 | 60.5 | 60.5 | 59.7 |
Non-Hispanic black | 5487 | 15.5 | 15.5 | 15.3 |
Hispanic | 4805 | 13.6 | 13.5 | 14.2 |
Asian | 2044 | 5.8 | 5.8 | 5.8 |
Multi-racial | 696 | 2.0 | 1.9 | 2.4 |
Other | 973 | 2.8 | 2.8 | 2.6 |
Total household Income in 2002, $ | ||||
< 25,000 | 3077 | 9.9 | 9.8 | 10.4 |
25,000– < 50,000 | 7405 | 23.8 | 23.8 | 23.7 |
50,000– < 75,000 | 6919 | 22.2 | 22.2 | 22.5 |
75,000– < 150,000 | 10,397 | 33.4 | 33.4 | 33.0 |
> =150,000 | 3359 | 10.8 | 10.8 | 10.5 |
Education | ||||
High school and below | 8537 | 24.6 | 24.5 | 24.9 |
College | 9030 | 26.0 | 26.0 | 25.2 |
Post-graduate | 17,205 | 49.5 | 49.5 | 50.0 |
Reminder call | ||||
Yes | 8775 | 24.8 | 24.7 | 25.4 |
No | 26,646 | 75.2 | 75.3 | 74.6 |
Door to door outreach | ||||
Yes | 2166 | 6.1 | 6.1 | 6.4 |
No | 33,255 | 93.9 | 93.9 | 93.6 |
Number of previous surveys completed | ||||
Three | 13,435 | 37.9 | 37.9 | 38.0 |
Two | 10,666 | 30.1 | 30.1 | 29.7 |
One | 11,320 | 32.0 | 31.9 | 32.3 |