Disaggregating between- and within-person associations of mastery and cognitive function: age as a moderator

Du, Chenguang; Wu, Bei; Peng, Changmin; Dong, XinQi; Li, Mengting; Pernice, Francesca Maria; Wang, Youfa

doi:10.1186/s12877-024-05256-y

BMC Geriatrics

Table 2 Association between mastery and cognitive function

From: Disaggregating between- and within-person associations of mastery and cognitive function: age as a moderator

Variables	Model 1			Model 2			Model 3			Model 4
Terms	B	SE	P	B	SE	P	B	SE	P	B	SE	P
Intercept	8.385	0.221	< 0.001	8.550	0.227	< 0.001	8.579	0.229	< 0.001	8.529	0.229	< 0.001
Age	-0.148	0.003	< 0.001	-0.148	0.003	< 0.001	-0.170	0.013	< 0.001	-0.142	0.014	< 0.001
Age²	-0.002	0.000	< 0.001	-0.002	0.000	< 0.001	-0.002	0.000	< 0.001	-0.003	0.000	< 0.001
Female	0.857	0.054	< 0.001	0.857	0.054	< 0.001	0.859	0.054	< 0.001	0.864	0.054	< 0.001
Education	0.456	0.010	< 0.001	0.456	0.010	< 0.001	0.456	0.010	< 0.001	0.458	0.010	< 0.001
Non_Hispanic_Black	-1.761	0.135	< 0.001	-1.760	0.135	< 0.001	-1.757	0.135	< 0.001	-1.762	0.136	< 0.001
Non_Hispanic_White	0.600	0.120	< 0.001	0.600	0.120	< 0.001	0.598	0.120	< 0.001	0.601	0.121	< 0.001
Other Race	-0.944	0.169	< 0.001	-0.943	0.169	< 0.001	-0.944	0.169	< 0.001	-0.932	0.169	< 0.001
Condition_BP	-0.109	0.021	< 0.001	-0.109	0.021	< 0.001	-0.110	0.021	< 0.001	-0.116	0.021	< 0.001
Condition_WP	-0.120	0.035	< 0.001	-0.116	0.035	0.001	-0.113	0.035	0.001	-0.119	0.034	< 0.001
Depression_BP	-0.266	0.018	< 0.001	-0.265	0.018	< 0.001	-0.267	0.018	< 0.001	-0.267	0.018	< 0.001
Depression_WP	-0.060	0.014	< 0.001	-0.059	0.014	< 0.001	-0.060	0.014	< 0.001	-0.044	0.014	< 0.001
Wealth_BP	0.070	0.006	< 0.001	0.070	0.006	< 0.001	0.071	0.006	< 0.001	0.071	0.006	< 0.001
Wealth_WP	0.012	0.005	0.024	0.012	0.005	0.026	0.012	0.005	0.020	0.008	0.005	0.125
Mastery_WP	0.124	0.023	< 0.001	0.120	0.023	< 0.001	0.127	0.023	< 0.001	0.089	0.023	< 0.001
Mastery_BP	0.089	0.029	0.002	0.055	0.031	0.081	0.048	0.032	0.134	0.069	0.032	0.030
Time	-0.674	0.023	< 0.001	-0.979	0.102	< 0.001	-0.971	0.103	< 0.001	-0.888	0.102	< 0.001
Interaction Effects
Mastery_BP⨯Time				0.063	0.021	< 0.001	0.063	0.021	< 0.001	0.031	0.021	0.134
Age⨯Mastery_WP							0.013	0.003	< 0.001	0.007	0.002	< 0.001
Age⨯Mastery_BP							0.005	0.003	0.080	0.004	0.003	0.163
Age⨯Time										-0.055	0.011	< 0.001
Age⨯Mastery_BP⨯Time										0.003	0.002	0.214
Random Effects
Residual variance (Level 1)	5.301	0.014	< 0.001	5.299	0.014	< 0.001	5.303	0.014	< 0.001	5.305	0.014	< 0.001
Intercept variance (Level 2)	6.879	0.221	< 0.001	6.880	0.227	< 0.001	6.870	0.229	< 0.001	6.870	0.228	< 0.001
Time (slope)	0.312	0.023	< 0.001	0.309	0.102	< 0.001	0.300	0.103	< 0.001	0.300	0.103	< 0.001
Mastery (slope)	0.174	0.023	< 0.001	0.171	0.023	< 0.001	0.162	0.023	< 0.001	0.162	0.023	< 0.001
Model R²	0.721			0.722			0.725			0.732

B Coefficient, SE Standard error, wp Within-person component, bp Between-person component, Age ² is the quadratic term for age variable
Time (slope) The slope of time, Mastery (slope) The slope of mastery, Hispanic is the reference group

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ISSN: 1471-2318

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