Table 1.

Characteristics of the study population

	FTD (n = 84)	AD (n = 556)	CH (n = 117)
Female, %	66.7	68.7	53.0
Mean age at participation in the HUNT2 study, years	67.7	71.8	61.2
Mean age at dementia diagnosis, years	74.4	79.2
Risk factors, %
Heart disease	15.5	16.0	6.8
Diabetes	3.6	5.0	1.7
Hypertension	32.1	29.5	29.9
Metabolic disease	11.9	8.3	6.0
Smoking	53.5	44.9	57.2
Obesity	26.2	18.0	12.8
Anxiety	29.3	21.1	8.8
Depression	13.0	13.9	2.7