Table 2.
Characteristic | Invitees (n = 28,460) |
Responders (n = 4270) |
Enrollees (n = 2540) |
Enrolled/ Invitedc |
No. (%) | No. (%) | No. (%) | % | |
Census-Derived Datab | ||||
Education | ||||
< 63% high school or greater | 13,622 (52.2) | 1705 (43.7) | 957 (41.3) | 7 |
≥ 63% high school or greater | 12,461 (47.8) | 2195 (56.3) | 1360 (58.7) | 10.9 |
Median household income | ||||
<US$52,250 | 15,621 (59.9) | 1994 (51.1) | 1154 (49.8) | 7.4 |
≥ US$52,250 | 10,462 (40.1) | 1906 (48.9) | 1163 (50.2) | 11.1 |
Administrative Data | ||||
Gender | ||||
Female | 14,298 (50.2) | 2621 (61.4) | 1645 (64.8) | 11.5 |
Male | 14,162 (49.7) | 1649 (38.6) | 895 (35.2) | 6.3 |
Health plan site | ||||
Site 1 | 4053 (14.2) | 845 (19.8) | 532 (20.9) | 13.1 |
Site 2 | 6372 (22.4) | 930 (21.8) | 520 (20.5) | 8.2 |
Site 3 | 4332 (15.2) | 712 (16.7) | 456 (18.0) | 10.5 |
Site 4 | 5751 (20.2) | 805 (18.9) | 514 (20.2) | 8.9 |
Site 5 | 7952 (27.9) | 978 (22.9) | 518 (20.4) | 6.5 |
Survey Data | ||||
Race | ||||
White/other | -- | -- | 1935 (77.4) | -- |
African American | -- | -- | 566 (22.6) | -- |
Hispanic ethnicity | ||||
Yes | -- | -- | 192 (7.6) | -- |
No | -- | -- | 2325 (92.4) | -- |
Highest level of education | ||||
≤ High school or vocational tech | -- | -- | 397 (15.7) | -- |
Some college | -- | -- | 855 (33.8) | -- |
College degree | -- | -- | 663 (26.2) | -- |
Post-grad | -- | -- | 617 (24.4) | -- |
a Some variables had missing data; thus, numbers may not equal total.
b A total of 4274 (15.0%) invitees, 564 (13.2%) responders, and 333 (13.1%) enrollees had addresses that could not be mapped to the census data.
c Enrollee versus invitee associations were all statistically significant (P < .001).