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. Author manuscript; available in PMC: 2018 Jan 1.
Published in final edited form as: Hepatology. 2016 Nov 25;65(1):44–53. doi: 10.1002/hep.28880

Table 1.

Patient demographic characteristics for intervention and standard-of-care groups by intervention type to increase hepatitis C virus antibody testing among persons born during 1945–1965

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)
a

Differences in the intervention and control group are statistically significant at the best practice alert and the patient-solicitation centers;

b

Differences in the intervention and control group are statistically significant at the patient-solicitation center