Table 1.

Description of study population.

		General population	Serologically immune	Serologically not Immune
Number		2,940	2,490 (84.70%)	450 (15.30%)
Gender	Men	964	797 (82.68%)	167 (17.32%)
	Women	1,976	1,693 (85.68%)	283 (14.32%)
Mean age	Mean	32.89	34.15	25.88
(yy)	Mean male	32.85	34.43	25.32
	Mean female	32.91	34.02	26.20
age groups	<35	1,852	1,430 (77.21%)	422 (22.79%)
(yy)	35–55	961	934 (97.19%)	27 (2.81%)
	>55	127	126 (99.21%)	1 (0.79%)
Measles specific antibody serum value (AU/ml)	Mean male	198.04	237.95	6.92
	Mean female	212.33	234.51	7.57