TABLE 4.

Weighted odds ratios (95% confidence intervals) for scores on CERAD W-L, AFT, DSST across dietary VK intake, NHANES 2011–2014 (N = 2524).

		Dietary VK intake (mcg/day)	Q1 (≤47.55)	Q2 (47.55 to ≤80.95)	Q3 (80.95 to ≤136.6)	Q4 (>136.6)
CERAD W-L	Case/participants		201/631	144/631	137/631	103/631
	Crude		1.00 (Ref.)	0.61 (0.45–0.82)*	0.48 (0.32–0.72)*	0.27 (0.17–0.42)*
	Model 1		1.00 (Ref.)	0.67 (0.49–0.91)*	0.63 (0.43–0.91)*	0.39 (0.26–0.60)*
AFT	Case/participants		197/631	157/631	120/631	98/631
	Crude		1.00 (Ref.)	1.06 (0.61–1.83)	0.53 (0.33–0.85)*	0.34 (0.23–0.52)*
	Model 1		1.00 (Ref.)	1.53 (0.81–2.90)	0.83 (0.50–1.37)	0.59 (0.38–0.92)*
DSST	Case/participants		233/631	152/631	131/631	95/631
	Crude		1.00 (Ref.)	0.36 (0.25–0.52)	0.41 (0.29–0.57)*	0.21 (0.14–0.30)*
	Model 1		1.00 (Ref.)	0.48 (0.30–0.74)*	0.72 (0.46–1.13)	0.44 (0.29–0.65)*

Model 1 adjusted for sex, race, educational level, marital status, BMI, work physical activity, recreational physical activity, poverty-income ratio, smoking status, alcohol consumption, energy (continuous), hypertension, diabetes, and stroke.

Ref. refers to the reference value (Q1).

*p < 0.05.