Table 2 Descriptive and logistic regression analysis of coverage pattern groups at first interview
Consistently covered, n (%) | Consistently uncovered, n (%) | Inconsistently covered, n (%) | Chi squared p-value | AORa at first interview, AOR (95 % CI) | AOR p-value | |
|---|---|---|---|---|---|---|
Sex | ||||||
Female | 67 (41 %) | 6 (35 %) | 49 (34 %) | 0.433 | 1 | |
Male | 95 (59 %) | 11 (65 %) | 94 (66 %) | 1.43 (0.72, 2.83) | 0.311 | |
Indigenous status | ||||||
No | 152 (94 %) | 14 (88 %) | 136 (96 %) | 0.361 | 1 | |
Yes | 10 (6 %) | 2 (12 %) | 6 (4 %) | 0.33 (0.07, 1.62) | 0.172 | |
WHO definition of youth | ||||||
≤24 | 22 (14 %) | 2 (12 %) | 28 (19 %) | 0.321 | 1 | |
>24 | 140 (86 %) | 15 (88 %) | 115 (81 %) | 1.50 (0.18, 1.37) | 0.177 | |
Highest level of education | ||||||
<yr10 | 53 (33 %) | 6 (35 %) | 36 (25 %) | 0.613 | 1 | |
yr 10–11 | 64 (39 %) | 6 (35 %) | 66 (47 %) | 1.73 (0.82, 3.62) | 0.148 | |
yr 12/higher educ/trade | 45 (28 %) | 5 (30 %) | 40 (28 %) | 2.14 (0.92, 5.01) | 0.078 | |
Employment status | ||||||
No | 125 (77 %) | 15 (88 %) | 118 (83 %) | 0.348 | 1 | |
Yes | 37 (23 %) | 2 (12 %) | 25 (17 %) | 0.91 (0.37, 2.23) | 0.838 | |
Weekly income | ||||||
<$400 | 109 (68 %) | 10 (59 %) | 101 (71 %) | 0.581 | 1 | |
≥$400 | 52 (32 %) | 7 (41 %) | 42 (29 %) | 1.01 (0.48, 2.13) | 0.976 | |
Stable accommodation | ||||||
No | 21 (13 %) | 2 (12 %) | 22 (15 %) | 0.801 | 1 | |
Yes | 141 (87 %) | 15 (88 %) | 121 (85 %) | 1.03 (0.44, 2.41) | 0.946 | |
Country of birth | ||||||
Other | 24 (15 %) | 5 (31 %) | 29 (20 %) | 0.169 | 1 | |
Australia | 138 (85 %) | 11 (69 %) | 113 (80 %) | 0.93 (0.38, 2.25) | 0.873 | |
Injecting career | ||||||
<13 years | 58 (36 %) | 8 (50 %) | 71 (50 %) | 0.037* | 1 | |
≥13 years | 104 (64 %) | 8 (50 %) | 71 (50 %) | 0.62 (0.30, 1.25) | 0.181 | |
Heroin injection (past month) | ||||||
No | 41 (25 %) | 2 (12 %) | 24 (17 %) | 0.120 | 1 | |
Yes | 121 (75 %) | 15 (88 %) | 119 (83 %) | 1.26 (0.47, 3.34) | 0.645 | |
Methamphetamine injection (past month) | ||||||
No | 108 (67 %) | 11 (65 %) | 92 (64 %) | 0.910 | 1 | |
Yes | 54 (33 %) | 6 (35 %) | 51 (36 %) | 0.93 (0.46, 1.87) | 0.842 | |
Hazardous drinking scale score (8 point cut-off) | ||||||
abstinent | 53 (33 %) | 5 (29 %) | 41 (29 %) | 0.827 | 1 | |
<8 points | 69 (43 %) | 9 (53 %) | 62 (44 %) | 1.17 (0.57, 2.40) | 0.673 | |
≥8 points | 39 (24 %) | 3 (18 %) | 39 (27 %) | 1.42 (0.59, 3.42) | 0.437 | |
Current OST prescription | ||||||
No | 54 (33 %) | 11 (65 %) | 72 (50 %) | 0.002* | 1 | |
Yes | 108 (67 %) | 6 (35 %) | 71 (50 %) | 0.41 (0.22, 0.76) | 0.005* | |
BBV-TRAQ-SV injecting risk scale score (continuous measure) | ||||||
Mean | 6.03 | 9.88 | 5.96 | 0.293 | 0.97 (0.97, 1.02) | 0.776 |
Receptive sharing (past month) | ||||||
No | 150 (93 %) | 12 (71 %) | 124 (87 %) | 0.008* | 1 | |
Yes | 11 (7 %) | 5 (29 %) | 19 (13 %) | 1.10 (0.36, 3.35) | 0.865 | |
Injecting others (past month) | ||||||
No | 137 (85 %) | 13 (76 %) | 119 (83 %) | 0.686 | 1 | |
Yes | 25 (15 %) | 4 (24 %) | 24 (17 %) | 0.97 (0.40, 2.32) | 0.945 | |
Injected by others (past month) | ||||||
No | 145 (90 %) | 16 (94 %) | 128 (90 %) | 0.830 | 1 | |
Yes | 17 (10 %) | 1 (6 %) | 15 (10 %) | 1.66 (0.44, 6.23) | 0.452 | |
Injecting more than usual (past six months) | ||||||
No | 107 (66 %) | 12 (71 %) | 88 (62 %) | 0.625 | 1 | |
Yes | 54 (34 %) | 5 (29 %) | 54 (38 %) | 1.55 (0.80, 3.00) | 0.191 | |
Solitary injecting >80 % of the time | ||||||
No | 101 (67 %) | 8 (50 %) | 96 (71 %) | 0.240 | 1 | |
Yes | 50 (33 %) | 8 (50 %) | 40 (29 %) | 0.99 (0.50, 1.96) | 0.985 | |
Arrest (since last interview) | ||||||
No | 89 (55 %) | 6 (35 %) | 64 (45 %) | 0.090 | 1 | |
Yes | 45 (45 %) | 11 (65 %) | 79 (55 %) | 1.28 (0.68, 2.40) | 0.439 | |
HCV serology status | ||||||
Negative | 27 (21 %) | 2 (17 %) | 16 (14 %) | 0.451 | 1 | |
Positive | 65 (50 %) | 8 (66 %) | 68 (61 %) | 2.73 (1.12, 6.64) | 0.027* | |
Exposed | 37 (29 %) | 2 (17 %) | 28 (25 %) | 2.31 (0.87, 6.13) | 0.093 | |
NSP as usual source of syringe acquisition (past month) | ||||||
No | 14 (9 %) | 4 (25 %) | 18 (13 %) | 0.149 | 1 | |
Yes | 137 (91 %) | 12 (75 %) | 120 (87 %) | 0.96 (0.36, 2.54) | 0.933 | |