Table 2.

Linear mixed-effect regressions examining cross-sectional associations between nutritional deficits^a and physical performance at baseline.

	Unadjusted model			Adjusted modelb
	β	95% CI	p-value	β	95% CI	p-value
Outcome: SPPB score (0–12)
Nutritional deficits
No deficit	Ref.	–	–	Ref.	–	–
1 deficit	−0.20	−0.60, 0.19	0.318	−0.16	−0.53, 0.21	0.391
≥2x deficits	−0.59	−0.99, −0.20	0.004	−0.33	−0.71, 0.05	0.089
Outcome: gait speed (m/s)
Nutritional deficits
No deficit	Ref.	–	–	Ref.	–	–
1 deficit	−0.01	−0.07, 0.05	0.703	−0.01	−0.06, 0.05	0.906
≥2 deficits	−0.06	−0.12, −0.01	0.041	−0.02	−0.08, 0.04	0.525
Outcome: chair rise time (s)
Nutritional deficits
No deficit	Ref.	–	–	Ref.	–	–
1 deficit	0.70	−0.22, 1.61	0.137	0.60	−0.28, 1.49	0.182
≥2 deficits	1.58	0.66, 2.50	0.001	0.99	0.07, 1.90	0.036

CI, confidence interval; Ref, reference group; SPPB, Short Physical Performance Battery.

^aCutoff of nutritional deficits: vitamin D <20 ng/ml, homocysteine > 14 μmol/L, omega-3 index ≤ lower quartile (4.87%).

^bAdjustments for age, sex, Multidomain Alzheimer Preventive Trial (MAPT) groups, education, body mass index, and physical activity status.