Table 3.

Prevalence of HCW with serological markers of vaccination (anti-HBc negative and anti-HBs positive).

Variable	n	Prevalence (95% CI)	OR (95% CI)	p	aOR (95% CI)	p
Age (in years)
<25	30	86.7 (69.3–96.2)	5.82 (1.88–18.03)	0.002	5.67 (1.67–19.21)	0.005
25 – 34	183	67.8 (60.5–74.5)	1.88 (1.12–3.15)	0.016	2.25 (1.27–3.97)	0.005
35 – 44	161	56.5 (48.5–64.3)	1.17 (0.70–1.95)	0.563	1.37 (0.78–2.40)	0.272
45 – 54	168	57.1 (49.3–64.7)	1.19 (0.72–1.99)	0.497	1.34 (0.77–2.31)	0.300
≥55	91	52.7 (42.0–63.3)
Sex
Male	148	53.4 (45.0–61.6)
Female	485	63.1 (58.6–67.4)	1.49 (1.03–2.17)	0.035	1.60 (1.04–2.47)	0.033
Professional category
Physicians	186	66.1 (58.8–72.9)	4.41 (2.67–7.27)	<0.001	4.87 (2.86–8.28)	<0.001
Nurses	248	73.4 (67.4–78.8)	6.22 (3.82–10.14)	<0.001	6.39 (3.83–10.64)	<0.001
Other clinical workers	85	52.9 (41.8–63.9)	2.54 (1.42–4.55)	0.002	2.17 (1.17–4.00)	0.014
Non-clinical workers	114	30.7 (22.4–40.0)
Type of centre
Primary healthcare	299	51.2 (45.4–57.0)
Hospital	334	69.5 (64.2–74.4)	2.17 (1.57–3)	<0.001	1.96 (1.37–2.81)	<0.001
All	633	60.8 (56.9–64.6)