Table 4.

Results of General Linear Models Examining the Longitudinal Changes in Association Between Activity Diversity and Overall Cognitive Functioning

	Model 1				Model 2				Model 3
	B	SE	p-value	95% CI	B	SE	p-value	95% CI	B	SE	p-value	95% CI
Intercept	0.04	(0.04)	.232	[−0.03, 0.11]	0.35	(0.08)	<.001	[0.2, 0.51]	0.22	(0.16)	.174	[−0.1, 0.54]
Changes in activity diversity (W2-W1)	1.30	(0.35)	<.001	[0.62, 1.99]	0.98	(0.34)	.004	[0.32, 1.64]	0.76	(0.33)	.021	[0.12, 1.41]
Activity diversity at W1	1.18	(0.41)	.004	[0.37, 1.98]	0.90	(0.39)	.023	[0.12, 1.67]	0.60	(0.38)	.117	[−0.15, 1.35]
Total activity time at W2	0.05	(0.01)	<.001	[0.03, 0.07]	0.03	(0.01)	<.001	[0.01, 0.04]	0.02	(0.01)	.047	[0, 0.03]
Age group: Older (vs younger)					−0.95	(0.12)	<.001	[−1.18, −0.71]	−0.84	(0.12)	<.001	[−1.07, −0.61]
Age group: Middle-aged (vs younger)					−0.24	(0.09)	.008	[−0.41, −0.06]	−0.19	(0.09)	.028	[−0.36, −0.02]
Gender: Male (vs female)									0.06	(0.07)	.345	[−0.07, 0.19]
Race: White (vs non-White)									0.07	(0.15)	.627	[−0.23, 0.38]
Education									0.11	(0.01)	<.001	[0.08, 0.13]
Physical health									0.16	(0.04)	<.001	[0.09, 0.24]
Psychological well-being									0.02	(0.02)	.143	[−0.01, 0.06]
Depression									0.02	(0.02)	.426	[−0.03, 0.06]
Positive affect									−0.18	(0.06)	.006	[−0.3, −0.05]
Negative affect									−0.08	(0.09)	.350	[−0.26, 0.09]
Fit Statistics
F test	30.39		<.001		34.73		<.001		22.29		<.001

Note: N = 732. Six hundred and sixty-six observations were used in Model 3 due to missing responses in covariates. The main variable of interest is grey highlighted. Significant associations (at p < .05) are bolded. CI = confidence interval.