Table 1.
Center (Intervention Type) | ||||||
---|---|---|---|---|---|---|
Center 1 (Repeated-mailings) | Center 2 (Best Practice Alert) | Center 3 (Patient-solicitation) | ||||
Patient Characteristics | Birth Cohort (%) |
Standard-of-care (%) |
Birth Cohort %) |
Standard-of-care (%) |
Birth Cohort (%) |
Standard-of-care (%) |
Sexa | ||||||
Female | 1686 (56.3) | 3372 (56.2) | 5616 (62.9) | 3260 (58.8) | 2560 (59.4) | 2614 (57.3) |
Male | 1307 (43.7) | 2627 (43.8) | 3309 (37.1) | 2285 (41.2) | 1747 (40.6) | 1952 (42.7) |
| ||||||
Ethnicitya | ||||||
Non-Hispanic | 1825 (61.0) | 3715 (61.9) | 5135 (57.5) | 2944 (53.1) | 4290 (99.6) | 4289 (93.9) |
Hispanic | 36 (1.2) | 89 (1.5) | 899 (10.1) | 467 (8.4) | 15 (0.4) | 18 (0.4) |
Unknown | 1132 (37.8) | 2195 (36.6) | 2894 (32.4) | 2136 (38.5) | 2 (0.1) | 259 (5.7) |
| ||||||
Racea | ||||||
Black | 924 (30.9) | 1878 (31.3) | 1002 (11.2) | 366 (6.6) | 2195 (51.0) | 1854 (40.6) |
White | 1540 (51.5) | 3054 (50.9) | 5587 (62.6) | 3931 (70.9) | 1993 (46.3) | 2544 (55.7) |
Asian | 86 (2.9) | 228 (3.8) | 154 (1.7) | 104 (1.9) | 73 (1.7) | 94 (2.1) |
Other | 22 (0.7) | 41 (0.7) | 471 (5.3) | 226 (4.1) | 24 (0.6) | 20 (0.4) |
Unknown | 421 (14.1) | 798 (13.3) | 1714 (19.2) | 920 (16.6) | 22 (0.5) | 54 (1.2) |
| ||||||
Median Household Income (in dollars) of ZIP Code of Residencea | ||||||
<30,000 | 357 (11.9) | 728 (12.1) | 394 (4.4) | 195 (3.5) | 849 (19.7) | 745 (16.3) |
30,000–49,999 | 665 (22.2) | 1335 (22.3) | 1472 (16.5) | 634 (11.4) | 1817 (42.2) | 1794 (39.3) |
50,000–69,999 | 679 (22.7) | 1364 (22.7) | 1041 (11.7) | 371 (6.7) | 745 (17.3) | 872 (19.1) |
70,000–99,999 | 552 (18.4) | 1167 (19.5) | 2287 (25.6) | 1259 (22.7) | 752 (17.5) | 966 (21.2) |
>100,000 | 282 (9.4) | 537 (9.0) | 3604 (40.4) | 2978 (53.7) | 62 (1.4) | 119 (2.6) |
Unknown | 458 (15.3) | 868 (14.5) | 130 (1.5) | 110 (2.0) | 82 (1.9) | 70 (1.5) |
| ||||||
Birth Yearb | ||||||
1945–50 | 722 (24.1) | 1425 (23.8) | 2030 (22.7) | 1240 (22.4) | 1077 (25.0) | 993 (21.8) |
1950–54 | 752 (25.1) | 1443 (24.1) | 2043 (22.9) | 1258 (22.7) | 1182 (27.4) | 1231 (27.0) |
1955–59 | 732 (24.5) | 1571 (26.2) | 2236 (25.0) | 1375 (24.8) | 1103 (25.6) | 1106 (24.2) |
1960–1965 | 787 (26.3) | 1560 (26.0) | 2619 (29.3) | 1674 (30.2) | 945 (21.9) | 1236 (27.1) |
| ||||||
Insurance Typea | ||||||
Private | 2522 (84.3) | 5043 (84.1) | 5807 (65.0) | 3610 (65.1) | 2788 (64.7) | 3377 (74.0) |
Public | 455 (15.2) | 934 (15.6) | 1858 (20.8) | 1026 (18.5) | 1444 (33.5) | 1141 (25.0) |
Uninsured or unknown | 16 (0.5) | 22 (0.4) | 1263 (14.2) | 911 (16.4) | 75 (1.7) | 48 (1.1) |
Differences in the intervention and control group are statistically significant at the best practice alert and the patient-solicitation centers;
Differences in the intervention and control group are statistically significant at the patient-solicitation center