a decreasing trendp = 0.124
For persons 20–64 years of age, VE point estimates showed a decreasing trend (77.1%in the first phase and 41.0% in the second; p = 0.124); however, the CIs were wide.
For persons 20–64 years of age, VE point estimates showed a decreasing trend (77.1%in the first phase and 41.0% in the second; p = 0.124); however, the CIs were wide.