Table 4.

Association between number of tests with a poor performance score and dementia, adjusting for all the co-variates (Model 3) and excluding those with dementia prior to attending the 3HC (N = 4,485)

Model 3
Number of tests where participants obtained a poor performance score	Frequency dementia (N)	HR	95% CI	p
	230
0 (N = 2365)		1.00
1 (N = 1184)		2.18	(1.45,3.27)	<0.001
2-3 (N = 745)		4.30	(2.90, 6.39)	<0.001
4–8 (N = 200)		10.82	(6.85, 17.1)	<0.001

Model 3: Socioeconomic, lifestyle, and biological factors and prevalent disease.