TABLE 3.

Associations between systemic immune‐inflammation index and cognitive function tests.

	Crude model a		Model 1 b		Model 2 c
	β (95% CI)	p‐value	β (95% CI)	p‐value	β (95% CI)	p‐value
Score of the CERAD Immediate Recall Test
<544.64	Reference		Reference		Reference
≥544.64	−0.200 (−0.397, −0.003)	0.047	−0.148 (−0.330, 0.034)	0.106	−0.144 (−0.332, 0.044)	0.127
Score of the CERAD Delayed Recall Test
<544.64	Reference		Reference		Reference
≥544.64	−0.463 (−0.783, −0.143)	0.006	−0.376 (−0.671, −0.081)	0.014	−0.375 (−0.678, −0.071)	0.018
Score of the Animal Fluency Test
<544.64	Reference		Reference		Reference
≥544.64	−0.489 (−1.265, 0.286)	0.207	−0.580 (−1.255, 0.095)	0.089	−0.534 (−1.219, 0.150)	0.120
Score of the Digit Symbol Substitution Test
<544.64	Reference		Reference		Reference
≥544.64	−1.819 (−4.062, 0.424)	0.108	−1.934 (−3.784, −0.083)	0.041	−1.745 (−3.702, 0.211)	0.078

Abbreviation: CI, confidence interval.

^a Crude model, no covariates were adjusted.

^b Model 1, age, sex, race were adjusted.

^c Model 2, age, sex, race, body mass index, work activity, and recreational activity were adjusted.