Table 5.

Biomedical, lifestyle, and cognitive measures in relation to brain-age

Measure	UK Biobank data field #	Estimate	Standard error	T-value	p	FDR corrected-P	ηp2
Biomedical
Diastolic blood pressure	4079	0.049	0.005	9.520	<0.001	<0.001	0.0074
Systolic blood pressure	4080	0.028	0.003	9.433	<0.001	<0.001	0.0073
Body mass index	21001	0.008	0.013	0.646	0.518	1.000	0
Weight	21002	0.006	0.005	1.400	0.162	1.000	0.0001
Hip circumference	49	−0.080	0.006	−1.381	0.167	1.000	0.0001
Diabetesa	2443	2.115	0.207	10.208	<0.001	<0.001	0.0071
Strokea	4056	2.695	0.407	6.614	<0.001	<0.001	0.0030
Facial aginga	1757	−0.550	0.462	−1.201	0.230	1.000	0.0001
Lifestyle
Smoking statusa	20116	0.879	0.102	8.636	<0.001	<0.001	0.0070
Alcohol intake frequencya	1558	−0.997	0.147	−6.776	<0.001	<0.001	0.0090
Duration of moderate activity	894	0.001	0.001	0.279	0.780	1.000	0
Duration of vigorous activity	914	−0.001	0.001	−0.461	0.645	1.000	0
Cognitive performance
Fluid intelligence	20016	−0.147	0.024	−5.998	<0.001	<0.001	0.0027
Trail making task: duration to complete numeric path trail 1	6348	0.003	0.001	2.712	0.007	0.121	0.0012
Trail making task: duration to complete alphanumeric path trail 2	6350	0.002	0.001	5.667	<0.001	<0.001	0.0054
Matrix pattern completion: number of puzzles correctly solved	6373	−0.218	0.037	−5.882	<0.001	<0.001	0.0059
Matrix pattern completion: duration spent answering each puzzle	6333	0.010	0.007	1.452	0.147	1.000	0.0004
Tower rearranging: number of puzzles correct	6382	−0.117	0.021	−5.468	<0.001	<0.001	0.0050

All other variables are continuous.

Key: FDR, false discovery rate. ηp², partial eta-squared effect size.

^aIndicates categorical variable.