Table 2. Factors associated with hepatitis B immune response among vaccinated healthcare workers (n = 266) in Gulu and Lira regional referral hospitals, October-December 2021.

Characteristic	Description	Immune response (≥10mIU/mL) n (%)	cPR	95% CI	aPR	95%CI	P-value
Age (years)	18–25	74 (27.8)	1		1
	26–35	110 (41.4)	1.00	0.93–1.08	0.99	0.92–1.07	0.854
	36+	65 (24.4)	0.99	0.91–1.08	0.93	0.79–1.09	0.357
Sex	Female	133 (50)	1		1
	Male	116 (43.6)	1.01	0.95–1.08	1.06	0.98–1.14	0.162
Specialty	Allied Health	25 (9.4)	1		1
	Doctors	14 (5.3)	0.91	0.74–1.11	0.86	0.66–1.13	0.277
	Nurse/Midwife	116 (43.6)	1.01	0.85–1.08	1.04	0.94–1.15	0.463
	Pharmacist	2 (0.8)	0.69	0.31–1.55	0.51	0.13–2.03	0.341
	Lab. Technician	56 (21.1)	0.94	0.84–1.05	0.96	0.85–1.08	0.500
	Others	35 (13.2)	0.96	0.85–1.08	0.99	0.88–1.13	0.992
Year vaccine intake	2000–2009	9 (3.4)	1		1
	2010–2020	240 (90.2)	0.93	0.90–0.96	0.94	0.9–0.97	<0.001
Age at vaccination	15–25	133 (50)	1		1
	26–35	85 (31.9)	0.97	0.90–1.04	1.02	0.92–1.14	0.693
	36+	31 (11.7)	1.03	0.95–1.11	1.10	0.93–1.31	0.264
Vaccine schedule (months)	0, 1,12	1 (0.4)	1		1
	0, 1, 6	202 (75.9)	0.94	0.91–0.97	1.07	1.0–1.11	<0.001
	0, 2, 4	2 (0.8)	1	1			1.000
	0, 3, 6	1 (0.4)	1	1			1.000
	Do not recall	1 (0.4)	1	1			1.000
Received booster	No	246 (92.5)	1
	Yes	3 (1.1)	1.07	1.04–1.10	1.07	1.0–1.11	<0.001