Table 5 Pooled odds ratios for HBV infection in PWID
Subgroup | Studies (N) | Pooled OR (%95 CI) | p value | I2 (%) |
|---|---|---|---|---|
Recruitment setting | 33 | Â | Â | 79.5 |
 Community |  | 1 |  |  |
 Drop-in setting |  | 1.06 (0.33–3.44) | 0.91 |  |
 Treatment centre |  | 2.24 (0.75–6.66) | 0.14 |  |
 Prison |  | 1.49 (0.56–3.96) | 0.41 |  |
 Mixed settings |  | 1.51 (0.48–4.68) | 0.47 |  |
Definition of PWID | 33 | Â | Â | 82.3 |
 Current |  | 1 |  |  |
 Lifetime |  | 0.61 (0.30–1.25) | 0.17 |  |
 Unknown |  | 1.12 (0.61–2.06) | 0.71 |  |
Gender (male vs. female) | 7 | 1.48 (0.80–2.73) | 0.21 | 0 |
Age (youth vs. older) | 3 | 0.46 (0.14–1.54) | 0.21 | 0 |
Marital status (married vs. unmarried) | 5 | 1.02 (0.78–1.34) | 0.88 | 0 |
Employment status (employed vs. unemployed) | 3 | 0.86 (0.49–1.50) | 0.59 | 8.8 |
Residence (not homeless vs. homeless) | 2 | 0.89 (0.68–1.16) | 0.39 | 0 |
Lifetime history of imprisonment | 6 | 1.72 (1.29–2.30) | 0.000 | 0 |
Lifetime sharing needle and syringe | 7 | 1.57 (0.82–3.01) | 0.17 | 57.6 |
Hx of sharing needle and syringe in prison | 2 | 3.98 (0.32–49.24) | 0.28 | 80.9 |
Ever MSM | 3 | 1.52 (0.12–19.94) | 0.75 | 46.6 |
Extramarital relationship | 2 | 0.96 (0.54–1.73) | 0.90 | 6.6 |
Ever tattoo | 4 | 1.58 (0.64–3.92) | 0.32 | 0 |