Table 1.

Results of the bivariate and multivariate analyses of measles antibodies in healthcare workers

Variable	n	Prevalence	Crude OR	p	Adjusted OR	p
		(95% CI)	(95% CI)		(95% CI)
Year of birth
1981 and after	72	94.4 (86.4 – 98.5)	Reference		Reference
1965 – 1980	292	99.0 (97.0 – 99.8)	5.67 (1.24 – 25.91)	0.02	5.67 (1.24 – 25.91)	0.02
1955 – 1964	164	97.0 (93.0 – 99.0)	1.87 (0.49 – 7.18)	0.36	1.87 (0.49 – 7.18)	0.36
1954 and before	111	99.1 (95.1 – 100)	6.47 (0.71 – 59.11)	0.09	6.47 (0.71 – 59.11)	0.09
All	639	98.0 (96.5 – 98.9)	-		-
Sex
Male	149	98.0 (94.3 – 99.6)	1.01 (0.28 – 3.73)	0.98
Female	490	98.0 (96.3 – 99.0)	Reference
Professional group
Physician	189	98.9 (96.2 – 99.9)	2.5 (0.41 – 15.22)	0.32
Nurse	249	97.6 (94.8 – 99.1)	1.08 (0.27 – 4.42)	0.91
Other clinical workers	86	97.7 (91.9 – 99.7)	1.12 (0.18 – 6.88)	0.90
Non-clinical workers	115	97.4 (92.6 – 99.5)	Reference
Type of centre
Primary health	298	98.7 (96.6 – 99.6)	1.99 (0.61 – 6.54)	0.25
Hospital	341	97.4 (95.1 – 98.8)	Reference