Table 2 Regression coefficients and 95% confidence intervals of HEI-2015 for cognitive function scores (n = 2450)¹

HEI-2015

n

B (95%CI)

B (95%CI)

B (95%CI)

B (95%CI)

  Q1⁴

612

0 (Reference)

0 (Reference)

0 (Reference)

0 (Reference)

  Q2

613

0.58 (−1.21, 2.38)

0.37 (−0.23, 0.97)

0.08 (−0.60, 0.75)

0.11 (−0.14, 0.37)

  Q3

612

2.45 (0.65, 4.25)^**

0.68 (0.07, 1.28)^*

0.32 (−0.35, 1.01)

0.32 (0.07, 0.57)^*

  Q4

613

5.26 (3.45, 7.06)^***

1.31 (0.71, 1.91)^***

0.98 (0.30, 1.66)^**

0.70 (0.45, 0.96)^***

  P_trend⁵

<0.001

<0.001

0.004

<0.001

  Continuous

  1 unit increase

0.16 (0.11, 0.21)^***

0.04 (0.02, 0.05)^***

0.03 (0.01, 0.05)^**

0.02 (0.01, 0.03)^***

  Q1

612

0 (Reference)

0 (Reference)

0 (Reference)

0 (Reference)

  Q2

613

−0.78 (−2.16, 0.60)

0.09 (−0.45, 0.63)

− 0.14 (− 0.78, 0.51)

−0.05 (− 0.26, 0.16)

  Q3

612

0.02 (−1.38, 1.42)

0.34 (−0.21, 0.89)

− 0.06 (− 0.71, 0.59)

0.06 (− 0.16, 0.27)

  Q4

613

1.40 (− 0.02, 2.82)

0.65 (0.09, 1.21)^*

0.36 (− 0.30, 1.02)

0.26 (0.05, 0.47)^*

  P_trend

0.031

0.015

0.273

0.011

  Continuous

  1 unit increase

0.05 (0.01, 0.09)^*

0.02 (0.00, 0.03)^**

0.01 (−0.01, 0.03)

0.01 (0.00, 0.01)^**