Table 4.

Univariate binary logistic regression analyses showing unadjusted OR of the association between independent variables and full dose hepatitis B vaccination uptake among Federal Road Safety Corps members, Kaduna Sector Command, Nigeria, June–July 2015

Independent variable	Sample size	OR	95% CI (p value)
Sex	313
Men		1
Women		2.66	1.51 to 4.70 (0.001)
Age (years)	323
18–29		1
30–39		2.08	0.97 to 4.44 (0.059)
40–49		3.30	1.47 to 7.40 (0.004)
≥50		5.67	1.84 to 17.50 (0.003)
Duration of service	323
6 months–2 years		1
3–10 years		5.69	1.31 to 24.72 (0.020)
11–19 years		9.48	2.12 to 42.35 (0.003)
≥20 years		13.39	2.61 to 68.56 (0.002)
Cadre	325
Officer		1
Marshal inspectorate		1.69	0.92 to 3.09 (0.091)
Road marshal assistant		2.10	1.18 to 3.74 (0.012)
Risk perception for occupational exposure to HBV	324
I don’t know		1
No risk		3.92	0.78 to 19.63 (0.096)
Low risk		11.33	2.94 to 43.63 (<0.001)
Moderate risk		9.61	2.85 to 32.43 (<0.001)
High risk		11.07	3.87 to 31.70 (<0.001)
Risk perception for occupational exposure to HBV	324
No risk perceived		1
Risk perceived		7.39	3.27 to 16.71 (<0.001)
HBV knowledge score	325	1.37	1.15 to 1.62 (<0.001)
HBVc knowledge score	325	2.97	2.16 to 4.08 (<0.001)

HBV, hepatitis B virus; HBVc, hepatitis B vaccination.