Table 4: Poisson regression of age group and having received two doses of measles vaccination.

Receiving two doses of measles vaccination	Incidence rate ratio	p-value	95% CI
20-24 years	2.3	<0.001	1.7-3.2
25-29 years	1.5	0.037	1.0-2.1
30-34 years	reference
Sex (male= reference)	1.1	0.328	0.9-1.5