Table 5.

Results from mixed effects models for the P1, N1, and P3b ERP component amplitudes stratified by cognitive status (secondary analyses).

	Beta	Standard error	z	p	95%CI		f2
P1 component: no cognitive impairment
Age	0.011	0.047	0.22	0.823	−0.082	0.103	<0.001
Gender*	0.093	0.663	0.14	0.888	−1.207	1.394	<0.001
Difficulty	−0.139	0.092	−1.51	0.131	−0.320	0.041	0.013
Hemisphere*	0.251	0.151	1.66	0.097	−0.045	0.548	0.016
Cardiometabolic burden	−0.119	0.407	−0.29	0.771	−0.916	0.679	<0.001
P1 component: cognitive impairment
Age	0.027	0.031	0.87	0.382	−0.033	0.087	<0.001
Gender*	−0.606	0.516	−1.17	0.240	−1.617	0.405	<0.001
Difficulty	0.208	0.077	2.69	0.007	0.057	0.360	0.032
Hemisphere*	0.111	0.126	0.88	0.380	−0.137	0.358	0.003
Cardiometabolic burden	−0.901	0.345	−2.61	0.009	−1.578	−0.224	<0.001
N1 component: no cognitive impairment
Age	0.009	0.065	0.14	0.892	−0.118	0.134	<0.001
Gender*	−0.007	0.910	−0.01	0.994	−1.791	1.777	<0.001
Difficulty	0.593	0.093	6.35	<0.001	0.410	0.776	0.220
Hemisphere*	−0.133	0.153	−0.86	0.387	−0.433	0.168	0.004
Cardiometabolic burden	0.363	0.563	0.65	0.518	−0.739	1.466	<0.001
N1 component: cognitive impairment
Age	−0.010	0.049	−0.21	0.836	−0.106	0.086	<0.001
Gender*	0.834	0.830	1.01	0.315	−0.792	2.460	<0.001
Difficulty	0.486	0.088	5.53	<0.001	0.313	0.658	0.136
Hemisphere*	−0.075	0.144	−0.53	0.599	−0.357	0.206	0.001
Cardiometabolic burden	−0.118	0.553	−0.21	0.831	−1.202	0.966	<0.001
P3b component: no cognitive impairment
Age	−0.020	0.050	−0.40	0.691	−0.118	0.078	<0.001
Gender*	0.560	0.701	0.80	0.424	−0.813	1.933	<0.001
Hemisphere*	−0.211	0.076	−2.77	0.006	−0.361	−0.062	0.019
Difficulty	0.395	0.125	3.16	0.002	0.150	0.640	0.025
Cardiometabolic burden	−0.365	0.433	−0.84	0.399	−1.214	0.484	<0.001
P3b component: cognitive impairment
Age	0.064	0.026	2.45	0.014	0.013	0.115	<0.001
Gender*	−0.619	0.439	−1.41	0.158	−1.479	0.241	<0.001
Difficulty	0.276	0.065	4.24	<0.001	0.148	0.403	0.036
Hemisphere*	0.212	0.106	1.99	0.46	0.003	0.420	0.008
Cardiometabolic burden	−0.880	0.294	−3.00	0.003	−1.455	−0.304	<0.001

^*Gender = 1 female, 2 male; Hemisphere = 1 left, 2 right.