Table 2.

Results from random-intercept regression models, separate models for left and right hippocampal volume

Covariates	Left hippocampal volume		Right hippocampal volume
	β (SE)	p value	β (SE)	p value
Prudent (healthy) diet	48.7 (22.8)	.032	17.6 (22.9)	.442
Western (unhealthy) diet	−52.6 (26.9)	.05	−30.6 (27.0)	.256
Wave	−327.5 (26.2)	< .001	−235.8 (27.4)	< .001
Sex (ref = male)	−289.3 (46.5)	< .001	−294.4 (46.7)	< .001
Baseline age (years)	1.77 (14.5)	.903	6.9 (14.6)	.635
Depression symptoms	−6.0 (9.9)	.546	2.8 (10.1)	.780
Reported depression medication	−78.2 (90.3)	.386	−146.2 (90.8)	.107
Working (ref = not working)	47.1 (36.0)	.191	75.1 (36.9)	.042
Did not complete high school	−34.5 (58.3)	.554	−82.0 (58.7)	.162
Regular exercise
Moderate	−37.5 (44.3)	.397	−12.2 (44.5)	.784
Vigorous	106.8 (67.0)	.111	32.7 (67.4)	.628
Current smoker	90.7 (84.1)	.280	79.3 (84.5)	.348
Diabetes	−160.8 (86.6)	.063	−66.3 (87.1)	.446
Hypertension	−39.1 (43.8)	.372	−13.5 (44.0)	.758
Constant	3066.9		2735.5

Hippocampal volume was corrected for intracranial volume. Other covariates included elapsed time between magnetic resonance imaging and change in intracranial volume over time. SE standard error