Table 5.

Estimated risk of dementia with or without >3-year prior shingles diagnosis, in subjects with and without vaccination

Variables	OR	95% CI
Age at vaccination	1.182	1.137 to 1.228
Female	Reference
Male	1.044	0.925 to 1.177
Not affected by shingles	Reference
Affected by shingles	0.886	0.755 to 1.04
Charlson Comorbidity Index	1.489	1.446 to 1.534
Zostavax vaccination, no	Reference
Yes	0.808	0.657 to 0.993