TABLE 3.

Adjusted RR (95% CI) for cognitive impairment according to amount and frequency of nut consumption.

Amount and frequency of nut consumption	Total	Cases	RR (95% CI)a	p-valuea
None or not weekly	7297	2783	1.00 (Ref)	–
1 day/week
<70 g/week	309	90	0.84 (0.69–1.01)	0.06
≥70 g/week	301	90	0.83 (0.68–1.01)	0.06
≥2 days/week
<70 g/week	58	16	1.02 (0.65–1.61)	0.92
≥70 g/week	1063	287	0.81 (0.72–0.90)	<0.01

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

^aAdjusted for all same covariates included in model 3 (see Table 2).

The bold values mean “P < 0.05”.