Table 3 Correlates of attrition at 12-months
Variable | Followed-up | Not followed-up | Univariate | Multivariable |
|---|---|---|---|---|
N=458 | N=230 | OR (95% CI) | OR (95% CI) | |
n (%) | n (%) | Â | ||
Recruitment method | Â | Â | Â | Â |
 RDS | 164 (36) | 82 (36) | 1 | |
 Other | 294 (64) | 148 (64) | 1.00 (0.72-1.40) | |
Recruitment location | Â | Â | Â | Â |
 Inner West | 230 (50) | 131 (57) | 2.02 (1.30-3.14)** | 2.10 (1.33-3.32)** |
 Central | 111 (24) | 66 (29) | 2.11 (1.29-3.45)** | 1.80 (1.25-2.60)** |
 Outer-Urban | 117 (26) | 33 (14) | 1 | 1 |
Sex | Â | Â | Â | Â |
 Male | 285 (62) | 174 (76) | 1 | 1 |
 Female | 173 (38) | 56 (24) | 0.53 (0.37-0.76)** | 0.56 (0.38-0.80)** |
Age | Â | Â | Â | Â |
 Median (IQR) | 27.8 (24.1-29.7) | 27.3 (24.6-29.4) | 0.98 (0.94-1.03) | |
Aboriginal/Torres Strait Islander status | Â | Â | Â | Â |
 Yes | 25 (6) | 15 (7) | 1 | |
 No | 433 (95) | 215 (94) | 1.21 (0.62-2.34) | |
Country of birth | Â | Â | Â | Â |
 Australia | 373 (82) | 177 (78) | 1 | |
 Other | 84 (18) | 51 (22) | 0.78 (0.53-1.16) | |
Main income source (last month) | Â | Â | Â | Â |
 Wage or salary | 36 (8) | 22 (10) | 1 | |
 Government pension or benefits | 392 (86) | 197 (86) | 0.82 (0.47-1.44) | |
 Other1 | 28 (6) | 10 (4) | 0.58 (0.24-1.43) | |
Employment status | Â | Â | Â | Â |
 Not employed | 391 (86) | 199 (87) | 1 | |
 Employed | 66 (14) | 31 (13) | 0.92 (0.58-1.46) | |
Education | Â | Â | Â | Â |
 Did not complete year 10 | 139 (31) | 91 (40) | 1 | |
 Completed year 10–11 | 223 (49) | 94 (41) | 0.64 (0.45-0.92)* | |
 Completed high school or higher | 94 (21) | 45 (20) | 0.73 (0.47-1.14) | |
Current accommodation type | Â | Â | Â | Â |
 Owner-occupied | 104 (23) | 50 (22) | 1 | |
 Private rental | 115 (25) | 77 (34) | 1.39 (0.89-2.17) | |
 Public housing | 146 (32) | 61 (27) | 0.87 (0.55-1.36) | |
 No stable accommodation | 90 (20) | 41 (18) | 0.95 (0.57-1.56) | |
Incarceration history | Â | Â | Â | Â |
 Never been in prison | 194 (43) | 82 (36) | 1 | |
 Incarcerated once | 136 (30) | 75 (33) | 1.30 (0.89-1.91) | |
 Incarcerated two or more times | 126 (28) | 71 (31) | 1.33 (0.90-1.97) | |
Recent arrest (last 12 months) | Â | Â | Â | Â |
 Yes | 236 (52) | 133 (59) | 1 | |
 No | 218 (48) | 94 (41) | 0.77 (0.55-1.06) | |
Age at first injection | Â | Â | Â | Â |
 Median (range) | 17 (11–32) | 17 (8–29) | 0.99 (0.94-1.03) | |
Duration of injecting career (years) | Â | Â | Â | Â |
 Median (range) | 10.0 (<1-20.8) | 10.3 (<1-21.2) | 1.00 (0.96-1.03) | |
Ever been on OST | Â | Â | Â | Â |
 Yes | 335 (73) | 154 (68) | 1 | |
 No | 121 (27) | 74 (32) | 1.33 (0.94-1.88) | |
Currently on OST | Â | Â | Â | Â |
 Yes | 175 (38) | 67 (29) | 1 | |
 No | 281 (62) | 161 (71) | 1.50 (1.06-2.11)* | |
Drugs injected last month | Â | Â | Â | Â |
 Heroin only | 187 (41) | 92 (40) | 1 | |
 Heroin and other drugs | 183 (40) | 101 (44) | 1.11 (0.53-2.34) | |
 Amphetamines only | 22 (5) | 12 (5) | 1.47 (0.69-3.13) | |
 Other drugs only | 48 (11) | 12 (5) | 0.51 (0.26-1.00) | |
 Did not inject last month | 18 (4) | 13 (6) | 1.12 (0.79-1.59) | |
Telephone number provided at baseline | Â | Â | Â | Â |
 Yes | 440 (96) | 195 (85) | 1 | 1 |
 No | 18 (4) | 35 (15) | 4.39 (2.42-7.94)** | 2.90 (1.53-5.48)** |
Home address provided at baseline | Â | Â | Â | Â |
 Yes | 454 (99) | 212 (92) | 1 | 1 |
 No | 4 (1) | 18 (8) | 9.64 (3.22-28.82)** | 6.58 (2.05-21.08)** |