Table 2. Unadjusted and adjusteda linear regression models; actigraphy total counts and peak counts and cognitive scores.

	Actigraphy total counts		Actigraphy peak counts
	Unadjusted	Adjusted	Unadjusted	Adjusted
	Standardised β	Standardised β	Standardised β	Standardised β
MMSEb	0.05	0.04	0.10	0.12
Digit span	0.07	0.02	0.19**	0.16
Digit symbol coding	0.20**	0.18	0.19**	0.19*
Logical memory II	0.01	−0.02	0.05	0.04
CVLTc learning score	0.14	0.06	0.17*	0.13
CVLT-II delayed	0.12	0.06	0.14*	0.12
RCFTd copy	0.18*	0.15	0.22**	0.21*
RCFT 30 min delay	0.22**	0.09	0.27***	0.14
COWATe letter fluency	0.10	0.10	0.17*	0.20*
Stroop—colours	−0.10	−0.08	−0.10	−0.10

*P<0.05.

**P<0.01.

***P<0.001 (P-values all adjusted for false discovery rate).

^aAdjusted for age, gender, years of education, APOE ɛ4 allele carriage, body mass index and cardiovascular disease.

^bMMSE, Mini Mental State Examination.

^cCVLT, California Verbal Learning Test, Version 2.

^dRCFT, Rey Complex Figure Text.

^eCOWAT, Controlled Oral Word Association Task.