Physical activity and cognitive function: moment-to-moment and day-to-day associations

Table 3 Associations between physical activity and visual memory analyzed by multilevel modelling (n = 6045)

	Model: Max Counts 60 min				Model: Max Counts 20 min				Model: Active time 60 min				Model: Active time 20 min
	B	SE	p		B	SE	p		B	SE	p		B	SE	p
Fixed effects
Intercept	1.94	.11	<.001		1.95	.11	<.001		1.94	.11	<.001		1.94	.11	<.001
EMA day	−.05	.01	<.001		−.05	.01	<.001		−.05	.01	<.001		−.05	.01	<.001
EMA session	.08	.02	<.001		.08	.02	<.001		.08	.02	<.001		.08	.02	<.001
Weekend	.00	.04	.943		.00	.04	.951		.00	.04	.950		.00	.04	.965
Company	−.05	.03	.129		−.05	.03	.119		−.05	.03	.124		−.05	.03	.107
Location	.03	.03	.422		.03	.03	.431		.03	.03	.413		.03	.03	.423
Age^a	.03	.01	<.001		.03	.01	<.001		.03	.01	<.001		.03	.01	<.001
Education^a	−.03	.01	.015		−.03	.01	.015		−.03	.01	.015		−.03	.01	.015
Sex	−.35	.08	<.001		−.35	.08	<.001		−.35	.08	<.001		−.35	.08	<.001
Race/ethnicity	.33	.09	<.001		.33	.09	<.001		.33	.09	<.001		.33	.09	<.001
Physical activity^b	.00	.00	.972		.00	.00	.535		.00	.00	.757		.00	.00	.233
Variance components	Estimate	SE	Wald Z	p	Estimate	SE	Wald Z	p	Estimate	SE	Wald Z	p	Estimate	SE	Wald Z	p
Residual	1.30	.02	53.29	<.001	1.30	.02	53.29	<.001	1.30	.02	53.29	<.001	1.30	.02	53.29	<.001
Random intercept	.40	.04	1.17	<.001	.40	.04	1.17	<.001	.40	.04	1.17	<.001	.40	.04	1.17	<.001

^aGrand-mean centered, ^bPerson-mean centered, Reference categories female (sex), weekday (weekend), white (Race/ethnicity), home (location), with others (company)

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