Table 1.

Variables associated with Tdap vaccination among healthcare workers of a quaternary university hospital in univariate analysis. Instituto Central, Hospital das Clinicas — ICHC, Sao Paulo, Brazil.2015–2016.

Variable	Total	Received Tdap		PRa	95%CI (PR)	p-Value
		n	%
Gender						0.345
Male	105	39	37.1	1
Female	351	149	42.5	1.14	0.87–1.51
Age (years)						0.041
≥35	223	81	36.3	1
<35	229	105	45.9	1.26	1.01–1.58
Occupation						0.003
Multi-professional team	219	70	32.0	1
Physician	220	101	45.9	1.44	1.13–1.83
Working place						<0.001
Neonatology	110	28	25.5	1
Obstetrics	193	107	55.4	2.18	1.54–3.07
Anesthesiology	153	53	34.6	1.36	0.92–2.00
Influenza vaccination in 2015						<0.001
No	255	82	32.2	1
Yes	195	100	51.3	1.59	1.27–2.00

^aPrevalence ratio.