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Table 3 Characteristics of currently alive HCV testers by HCV status and birth cohort, Canada, BC-HTC, 1990-2013

From: Twin epidemics of new and prevalent hepatitis C infections in Canada: BC Hepatitis Testers Cohort

 

HCV Positive

HCV Negative

 

<1945

1945-1964

1965-1974

≥1975

<1945

1945-1964

1965-1974

≥1975

 

N = 3168

N = 33946

N = 11883

N = 6784

N = 95848

N = 310845

N = 209956

N = 371732

 

N (%)

N (%)

N(%)

N (%)

N (%)

N(%)

N (%)

N (%)

Age at baselinea

        

  < 15

0

0

0

438 (6.5)

0

0

0

20289 (5.5)

 15-24

0

0

857 (7.2)

2925 (43.1)

0

0

3591 (1.7)

141735 (38.1)

 25-34

0

2764 (8.1)

6688 (56.3)

3166 (46.7)

0

6369 (2.1)

66420 (31.6)

186558 (50.2)

 35-44

0

14198 (41.8)

4014 (33.8)

255 (3.8)

0

73286 (23.6)

124190 (59.2)

23150 (6.2)

 45-54

425 (13.4)

13116 (38.6)

324 (2.7)

0

3166 (3.3)

144213 (46.4)

15755 (7.5)

0

  ≥ 55

2743 (86.6)

3868 (11.4)

0

0

92682 (96.7)

86977 (28.0)

0

0

Median [IQR]

63 [58-70]

45 [39-50]

32 [28-37]

25 [21–29]

69 [63-75]

50 [44-55]

37 [33-41]

26 [21–30]

Age at 1st test

        

  < 15

0

0

0

605 (8.9)

0

0

0

25860 (7)

 15-24

0

0

1205 (10.1)

3830 (56.5)

0

0

7867 (3.8)

181880 (48.9)

 25-34

0

3074 (9.1)

7174 (60.4)

2182 (32.2)

0

12382 (4.0)

96703 (46.1)

151971 (40.9)

 35-44

0

14485 (42.7)

3255 (27.4)

167 (2.5)

0

99462 (32.0)

96915 (46.2)

12021 (3.2)

 45-54

436 (13.8)

12742 (37.5)

249 (2.1)

0

5217 (5.4)

134000 (43.1)

8471 (4.0)

0

  ≥ 55

2732 (86.2)

3645 (10.7)

0

0

90631 (94.6)

65001 (20.9)

0

0

Median [IQR]

63 [58-69]

44 [39-50]

31 [27-36]

22 [18–27]

67 [61-73]

48 [42-53]

35 [30-39]

24 [20–28]

Sex

        

 Female

1354 (42.7)

10946 (32.3)

4288 (36.1)

3261 (48.1)

51063 (53.3)

164778 (53.0)

116339 (55.4)

219772 (59.1)

 Male

1809 (57.1)

23000 (67.8)

7594 (63.9)

3523 (51.9)

44657 (46.6)

146061 (47.0)

93615 (44.6)

151954 (40.9)

 Unknown

5 (0.2)

0

0

0

128 (0.1)

6 (0.0)

2 (0.0)

6 (0.0)

Year of diagnosis

        

 1990-1994

340 (10.7)

2938 (8.7)

690 (5.8)

99 (1.5)

822 (0.9)

1858 (0.6)

889 (0.4)

344 (0.1)

 1995-1999

1186 (37.4)

12980 (38.2)

3992 (33.6)

857 (12.6)

21815 (22.8)

48746 (15.7)

21003 (10.0)

13299 (3.6)

 2000-2004

703 (22.2)

8333 (24.6)

3163 (26.6)

1650 (24.3)

19159 (20.0)

68035 (21.9)

43673 (20.8)

42021 (11.3)

 2005-2009

555 (17.5)

6004 (17.7)

2588 (21.8)

2257 (33.3)

22709 (23.7)

81513 (26.2)

63756 (30.4)

104908 (28.2)

 2010-2013

384 (12.1)

3691 (10.9)

1450 (12.2)

1921 (28.3)

31343 (32.7)

110693 (35.6)

80635 (38.4)

211160 (56.8)

HIV/AIDS at baseline

        

 No/Unknown

3149 (99.4)

33150 (97.7)

11364 (95.6)

6562 (96.7)

95664 (99.8)

308950 (99.4)

208736 (99.4)

370832 (99.8)

 Yes

19 (0.6)

796 (2.3)

519 (4.4)

222 (3.3)

184 (0.2)

1895 (0.6)

1220 (0.6)

900 (0.2)

HIV/AIDS co-infection (ever)

        

 No/Unknown

3135 (99.0)

32345 (95.3)

10810 (91.0)

6335 (93.4)

95640 (99.8)

308728 (99.3)

208587 (99.4)

370739 (99.7)

 Yes

33 (1.0)

1601 (4.7)

1073 (9.0)

449 (6.6)

208 (0.2)

2117 (0.7)

1369 (0.7)

993 (0.3)

HBV at baseline

        

 No/Unknown

3130 (98.8)

33529 (98.8)

11686 (98.3)

6729 (99.2)

94660 (98.8)

304567 (98.0)

206304 (98.3)

368692 (99.2)

 Yes

38 (1.2)

417 (1.2)

197 (1.7)

55 (0.8)

1188 (1.2)

6278 (2.0)

3652 (1.7)

3040 (0.8)

HBV co-infection (ever)

        

 No/Unknown

3075 (97.1)

32643 (96.2)

11330 (95.4)

6658 (98.1)

94059 (98.1)

302130 (97.2)

204856 (97.6)

367414 (98.8)

 Yes

93 (2.9)

1303 (3.8)

553 (4.7)

126 (1.9)

1789 (1.9)

8715 (2.8)

5100 (2.4)

4318 (1.2)

Active TB at baseline

        

 No/Unknown

3157 (99.7)

33890 (99.8)

11863 (99.8)

6773 (99.8)

95584 (99.7)

310307 (99.8)

209650 (99.9)

371368 (99.9)

 Yes

11 (0.4)

56 (0.2)

20 (0.2)

11 (0.2)

264 (0.3)

538 (0.2)

306 (0.2)

364 (0.1)

Active TB co-infection (ever)

        

 No/Unknown

3149 (99.4)

33783 (99.5)

11808 (99.4)

6752 (99.5)

95494 (99.6)

310145 (99.8)

209558 (99.8)

371276 (99.9)

 Yes

19 (0.6)

163 (0.5)

75 (0.6)

32 (0.5)

354 (0.4)

700 (0.2)

398 (0.2)

456 (0.1)

Material deprivation quintile at baseline

        

 Unknown

106 (3.4)

1298 (3.8)

618 (5.2)

469 (6.9)

1199 (1.3)

3720 (1.2)

2671 (1.3)

7183 (1.9)

 Q1 (most privileged)

507 (16.0)

4444 (13.1)

1362 (11.5)

830 (12.2)

18845 (19.7)

65327 (21.0)

48322 (23.0)

81513 (21.9)

 Q2

513 (16.2)

5404 (15.9)

1636 (13.8)

936 (13.8)

18165 (19.0)

60803 (19.6)

39355 (18.7)

69264 (18.6)

 Q3

533 (16.8)

6114 (18)

1926 (16.2)

1065 (15.7)

19060 (19.9)

61814 (19.9)

40022 (19.1)

71369 (19.2)

 Q4

660 (20.8)

7365 (21.7)

2691 (22.7)

1514 (22.3)

20032 (20.9)

61824 (19.9)

40792 (19.4)

74468 (20.0)

 Q5 (most deprived)

849 (26.8)

9321 (27.5)

3650 (30.7)

1970 (29.0)

18547 (19.4)

57357 (18.5)

38794 (18.5)

67935 (18.3)

Social deprivation quintile at baseline

        

 Unknown

106 (3.4)

1298 (3.8)

618 (5.2)

469 (6.9)

1199 (1.3)

3720 (1.2)

2671 (1.3)

7183 (1.9)

 Q1 (most privileged)

557 (17.6)

3477 (10.2)

1081 (9.1)

741 (10.9)

17348 (18.1)

57695 (18.6)

36550 (17.4)

68621 (18.5)

 Q2

513 (16.2)

4335 (12.8)

1238 (10.4)

794 (11.7)

17802 (18.6)

56839 (18.3)

36109 (17.2)

64348 (17.3)

 Q3

516 (16.3)

5802 (17.1)

1790 (15.1)

989 (14.6)

17342 (18.1)

56864 (18.3)

36204 (17.2)

65305 (17.6)

 Q4

606 (19.1)

7152 (21.1)

2380 (20.0)

1257 (18.5)

19201 (20.0)

62437 (20.1)

42960 (20.5)

76953 (20.7)

 Q5 (most deprived)

870 (27.5)

11882 (35.0)

4776 (40.2)

2534 (37.4)

22956 (24.0)

73290 (23.6)

55462 (26.4)

89322 (24.0)

Mental illness at baselineb

        

 No/Unknown

2768 (89.8)

28051 (85.0)

9468 (81.9)

4942 (79.5)

75892 (90.3)

230429 (85.6)

160387 (87.7)

262690 (89.8)

 Yes

316 (10.2)

4956 (15.0)

2087 (18.1)

1277 (20.5)

8130 (9.7)

38636 (14.4)

22397 (12.3)

29891 (10.2)

Mental illness 3yr pre- baselineb

        

 No/Unknown

2908 (94.3)

30114 (91.2)

10261 (88.8)

5478 (88.1)

80387 (95.7)

251001 (93.3)

172141 (94.2)

277513 (94.8)

 Yes

176 (5.7)

2893 (8.8)

1294 (11.2)

741 (11.9)

3635 (4.3)

18064 (6.7)

10643 (5.8)

15068 (5.2)

Illicit drug use at baselineb

        

 No/Unknown

2763 (89.6)

22649 (68.6)

6220 (53.8)

3256 (52.4)

81535 (97.0)

249677 (92.8)

167729 (91.8)

271558 (92.8)

 Yes

321 (10.4)

10358 (31.4)

5335 (46.2)

2963 (47.6)

2487 (3.0)

19388 (7.2)

15055 (8.2)

21023 (7.2)

Illicit drug use 3yr pre- baselineb

        

 No/Unknown

2870 (93.1)

25193 (76.3)

7090 (61.4)

3557 (57.2)

83133 (98.9)

259681 (96.5)

174045 (95.2)

278466 (95.2)

 Yes

214 (6.9)

7814 (23.7)

4465 (38.6)

2662 (42.8)

889 (1.1)

9384 (3.5)

8739 (4.8)

14115 (4.8)

Problematic alcohol use at baselineb

        

 No/Unknown

2724 (88.3)

25720 (77.9)

8780 (76.0)

4933 (79.3)

79838 (95.0)

248826 (92.5)

171200 (93.7)

277407 (94.8)

 Yes

360 (11.7)

7287 (22.1)

2775 (24.0)

1286 (20.7)

4184 (5.0)

20239 (7.5)

11584 (6.3)

15174 (5.2)

Problematic alcohol use 3yr pre-baselineb

        

 No/Unknown

2870 (93.1)

28620 (86.7)

9874 (85.5)

5421 (87.2)

81897 (97.5)

258911 (96.2)

177020 (96.8)

284664 (97.3)

 Yes

214 (6.9)

4387 (13.3)

1681 (14.5)

798 (12.8)

2125 (2.5)

10154 (3.8)

5764 (3.2)

7917 (2.7)

  1. aBaseline is defined as date of diagnosis (i.e. first HCV positive test or case report) for HCV positive individuals, and date of last negative test result for HCV negative individuals
  2. bMental health, drug misuse, alcohol misuse data was available up to 2012