Research Article
Seroconversion and Prevalence of Hepatitis B Surface Antigen among Vaccinated Health Care Workers in Ashanti Region, Ghana
Table 3
Bivariate and multivariate analyses of some factors associated with seroconversion status among HCWs.
| Variable | Crude odds ratio | 95% CI | Adjusted odds ratio | 95% CI |
| Age, years (N = 424) | <20 | Reference | | | | 20–29 | 2.76 | 0.64–11.95 | 2.86 | 0.66–12.43 | 30–39 | 1.47 | 0.33–6.49 | 1.49 | 0.34–6.58 | ≥40 | 0.27 | 0.04–1.75 | 0.28 | 0.04–1.78 | Sex | Female | Reference | | | | Male | 1.04 | 0.68–1.59 | 0.90 | 0.58–1.40 | Location HBV was administered | Hospital | Reference | | | | School | 1.26 | 0.83–1.92 | 0.91 | 0.57–1.45 | Other | 0.89 | 0.32–2.69 | 1.16 | 0.38–4.03 | Who administered HBV | Nurse or doctor | Reference | | | | Medical laboratory scientist | 0.96 | 0.60–1.53 | 1.09 | 0.61–1.95 | Other | 1.00 | 0.31–3.84 | 1.17 | 0.34–4.71 | Don’t remember | 0.73 | 0.42–1.29 | 0.73 | 0.42–1.29 | Route of administration | Intramuscular | Reference | | | | Subcutaneous | 0.82 | 0.36–1.99 | 1.04 | 0.36–3.07 | Do not know | 0.74 | 0.40–1.41 | 0.64 | 0.34–1.31 | Number of doses received | 2 | Reference | | | | 3 | 3.73 | 1.95–7.34 | 3.86 | 1.99–7.37 | Years since last vaccination | <1 | Reference | | | | 1–4 | 0.26 | 0.10–0.74 | 0.24 | 0.08–0.61 | 5–10 | 0.24 | 0.09–0.66 | 0.24 | 0.09–0.66 | >10 | 0.15 | 0.04–0.70 | 0.15 | 0.04–0.70 | Booster taken | No | Reference | | | | Yes | 4.12 | 1.41–17.56 | 4.09 | 1.38–17.57 | Had vaccination record card | Yes | Reference | | | | No | 0.52 | 0.34–0.79 | 0.57 | 0.38–0.81 |
|
|
CI, confidence interval; crude odds ratios and adjusted odds ratios significantly higher or lower than 1 are shown in bold.
|