Table 5.

Association between network size at baseline and cognitive change over 10 years using hierarchical multiple regression with cognitive performance at time 3 as dependent variable

Predictor	Ten-year follow-up
	Episodic memory		Semantic memory		Visuospatial ability
	ΔR 2	β	ΔR 2	β	ΔR 2	β
Step 1	.539***		.564***		.583***
Cognitive performance T1		.734***		.751***		.764***
Step 2	.032***		.016*		.042***
Age		−.156**		−.106*		−195***
Gender		.100*		.057		.000
Education		.053		.035		.042
Step 3	.010		.002		.003
Subjective health		.040		−.032		.005
Depressive symptoms		006		−.033		.054
Physical exercise		.051		−.029		.017
Alcohol use		.087		.021		.006
Step 4	.007*		.010*		.001
Network size		.088*		.104*		.032
Total R 2	.588***		.592***		.629***
n	255		255		255

ΔR ² R square change, β standardized beta

* p < .05; ** p < .01; *** p < .001