TABLE 4.

Adjusted RR (95% CI) for cognitive impairment with nut consumption, stratified by frequency of other food intake.

Subgroups	Total	Cases	Nut consumption
			None or not weekly	<70 g/week	≥70 g/week
Vegetables intake
<5 days/week	783	315	1.00 (Ref)	0.85 (0.55–1.30)	0.86 (0.58–1.27)
≥5 days/week	8239	2948	1.00 (Ref)	0.87 (0.72–1.06)	0.81 (0.73–0.89)
P Interaction	0.15
Fruits intake
<3 days/week	5542	2039	1.00 (Ref)	0.90 (0.72–1.13)	0.86 (0.76–0.98)
≥3 days/week	3480	1224	1.00 (Ref)	0.82 (0.62–1.08)	0.78 (0.67–0.90)
P Interaction	0.35
Red meat intake
<3 days/week	4543	1737	1.00 (Ref)	0.81 (0.63–1.05)	0.87 (0.76–1.01)
≥3 days/week	4479	1526	1.00 (Ref)	0.89 (0.70–1.13)	0.77 (0.68–0.88)
P Interaction	0.66
Fish intake
<3 days/week	5565	2099	1.00 (Ref)	0.82 (0.66–1.00)	0.80 (0.70–0.91)
≥3 days/week	3457	1164	1.00 (Ref)	1.02 (0.75–1.40)	0.85 (0.72–0.99)
P Interaction	0.26
Eggs intake
<2 days/week	4648	1702	1.00 (Ref)	0.82 (0.64–1.07)	0.86 (0.75–0.99)
≥2 days/week	4374	1561	1.00 (Ref)	0.85 (0.68–1.08)	0.78 (0.68–0.89)
P Interaction	0.34

RR, relative risk; CI, confidence interval; g/week, grams per week.

Adjusted for all same covariates included in model 3 (see Table 2), except the variable for stratification.