. Author manuscript; available in PMC: 2023 Aug 1.

Published in final edited form as: Psychol Aging. 2021 Dec 30;37(5):591–603. doi: 10.1037/pag0000672

Table 3.

Aim 1 Regression Results, Social Network Characteristics Aggregated Across Relationship Types

Variable	Episodic Memory	Executive Function	Visuoconstruction	Language	Processing
	Estimate (SE), β	Estimate (SE), β	Estimate (SE), β	Estimate (SE), β	Estimate (SE), β
Social Network Structure
Network Size	−0.00 (0.01), −0.00	−0.01 (0.01), −0.02	−0.00 (0.00), −0.02	−0.00 (0.01), −0.01	−0.02 (0.02), −0.02
Contact frequency	0.11 (0.08), 0.02	0.23 (0.06), 0.06^*	0.09 (0.03), 0.05^*	0.22 (0.09), 0.04^*	0.76 (0.20), 0.06^*
Marital Status	0.05 (0.13), 0.01	−0.04 (0.09), −0.01	0.02 (0.05), 0.01	−0.00 (0.14), −0.00	−0.22 (0.33), −0.01
Social Network Quality
Support	−0.30 (0.11), −0.05^*	−0.32 (0.08), −0.07^*	−0.13 (0.04), −0.05^*	−0.33 (0.13), −0.04^*	−0.99 (0.29), −0.06^*
Strain	−0.30 (0.13), −0.04^*	−0.37 (0.09), 0.06^*	−0.21 (0.05), −0.07^*	−0.35 (0.15), −0.04^*	−1.33 (0.34), −0.06^*
Covariates
Age	−0.17 (0.01), −0.33^*	−0.14 (0.01), −0.34^*	−0.06 (0.00), −0.28^*	−0.20 (0.20), −0.34^*	−0.57 (0.02), −0.39^*
Baseline year	0.34 (0.11), 0.04^*	0.29 (0.08), 0.05^*	0.15 (0.04), 0.05^*	0.46 (0.13), 0.05^*	0.95 (0.29), 0.05^*
Race
Black	−0.90 (0.18), −0.08^*	−1.90 (0.13), −0.22^*	−0.86 (0.07), −0.20^*	−1.78 (0.20), −0.14^*	−5.60 (0.46), −0.18^*
Hispanic	−0.66 (0.22), −0.05^*	−0.86 (0.15), −0.08^*	−0.33 (0.08), −0.07^*	−0.67 (0.24), −0.04^*	−3.35 (0.55), −0.09^*
Other	−0.90 (0.41), −0.03^*	−0.99 (0.29), −0.05^*	−0.36 (0.16), −0.03^*	−1.79 (0.45), −0.06^*	−3.37 (1.04), −0.04^*
Income	0.00 (0.00), 0.03	0.00 (0.00), 0.03	0.00 (0.00), 0.04	0.00 (0.00), 0.02	0.00 (0.00), 0.02
Wealth	0.00 (0.023), 0.03	0.00 (0.00), 0.05^*	0.00 (0.00), 0.04^*	0.00 (0.00), 0.05^*	0.00 (0.00), 0.04^*
Education	0.20 (0.015), 0.15^*	0.25 (0.02), 0.25^*	0.12 (0.01), 0.24^*	0.30 (0.03), 0.20^*	0.83 (0.06), 0.23^*
Baseline cognitive ability	0.37 (0.123), 0.40^*	0.22 (0.01), 0.31^*	0.10 (0.01), 0.28^*	0.40 (0.02), 0.38^*	0.82 (0.04), 0.32^*
Gender	0.91 (0.603), 0.12^*	−0.14 (0.09), −0.02	−0.09 (0.05), −0.03	0.45 (0.14), 0.05^*	0.91 (0.32), 0.04^*

Note. Estimates represent b. SE = standard error of b. The episodic memory model R² = 0.47. The executive function model R ²= 0.55. The visuoconstruction model R² = 0.44. The language model R² = 0.51. The processing speed model R² = 0.54.

p < .05