Table 2.

Associations of potential risk factors and Alzheimer’s disease including mixed and unspecified dementia in a cohort of 1,533 individuals, adjusted for age and sex.

Baseline characteristics	No. of cases	SMR (95% CI)
	(n = 307)
Age ≥ 70 yearsa
No	126	1.00
Yes	181	1.69 (1.35–2.13)
Female sexb
No	103	1.00
Yes	204	1.23 (0.97–1.55)
Participation in the population survey
No	180	1.00
Yes	127	0.83 (0.66–1.05)
Open-angle glaucoma, either eye
No	252	1.00
Yes	55	1.16 (0.86–1.56)
Pseudoexfoliation, either eye
No	215	1.00
Yes	92	1.05 (0.82-1.34)
Smoking status
Never smoked	224	1.00
Past smoker	57	0.97 (0.70–1.35)
Current smoker	26	0.84 (0.55–1.30)
Diabetes mellitus
No	276	1.00
Yes	31	1.02 (0.70–1.48)
Hypertension, treated
No	196	1.00
Yes	111	1.15 (0.91–1.45)
Ischaemic heart disease
No	256	1.00
Yes	51	1.27 (0.94–1.72)

CI: confidence interval; SMR: standardised morbidity ratio.

^aAdjusted for sex.

^bAdjusted for age.