Skip to main content

Table 2 Multivariate regression for DGI-2013 and components (2010) vs. TICS-m 2014 in the WELL study

From: Diet quality and cognitive function in mid-aged and older men and women

 

Total (n = 617)

Men (n = 302)

Women (n = 315)

 

B (95% CI)

B (95% CI)

B (95% CI)

DGI-2013

 Crude

0.03 (0.00, 0.05)*

0.02 (−0.01, 0.05)

0.01 (− 0.03, 0.04)

 Adjusted

0.00 (− 0.01, 0.03)

0.02 (− 0.01, 0.05)

0.00 (− 0.03, 0.04)

Dietary variety

 Crude

0.41 (0.14, 0.67)**

0.37 (− 0.04, 0.77)

0.30 (− 0.04, 0.65)

 Adjusted

0.28 (0.03, 0.52)*

0.31 (− 0.04, 0.65)

0.26 (− 0.06, 0.59)

Vegetable serves

 Crude

0.27 (−0.01, 0.56)

0.10 (−0.17, 0.38)

0.20 (− 0.27, 0.68)

 Adjusted

0.20 (−0.08, 0.47)

0.20 (− 0.08, 0.48)

0.27 (− 0.20, 0.74)

Fruit serves

 Crude

0.05 (−0.15, 0.25)

0.05 (−0.29, 0.39)

− 0.16 (− 0.52, 0.20)

 Adjusted

−0.06 (− 0.28, 0.17)

0.07 (− 0.24, 0.38)

− 0.16 (− 0.53, 0.21)

Grain foods serves

 Crude

−0.07 (− 0.40, 0.26)

0.07 (− 0.22, 0.36)

−0.08 (− 0.55, 0.40)

 Adjusted

− 0.05 (− 0.34, 0.25)

0.03 (− 0.26, 0.32)

− 0.17 (− 0.59, 0.25)

Wholegrain bread

Crude

“I don’t eat bread/white bread”

ref

ref

ref

“high fibre white/multigrain/other”

1.31 (0.37, 2.26)**

0.60 (− 0.44, 1.64)

1.92 (0.35, 3.49)*

“Wholemeal/rye”

0.28 (−0.77, 1.33)

− 0.76 (−2.06, 0.54)

1.52 (0.09, 2.95)*

Adjusted

  

n = 311

“I don’t eat bread/white bread”

ref

ref

refa

“high fibre white/multigrain/other”

0.87 (−0.05, 1.79)

0.46 (− 0.54, 1.47)

1.29 (− 0.08, 2.66)

“Wholemeal/rye”

− 0.03 (− 1.06, 1.00)

− 0.79 (− 2.11, 0.53)

0.95 (− 0.44, 2.34)

Meat and alternatives serves

 Crude

0.17 (− 0.15, 0.49)

0.23 (− 0.14, 0.60)

0.05 (− 0.29, 0.39)

 Adjusted

0.03 (− 0.27, 0.34)

0.17 (− 0.17, 0.52)

− 0.03 (− 0.38, 0.31)

Dairy serves

 Crude

0.18 (− 0.06, 0.43)

0.13 (− 0.26, 0.52)

0.18 (− 0.23, 0.59)

 Adjusted

0.18 (− 0.06, 0.43)

0.11 (− 0.26, 0.47)

0.18 (− 0.21, 0.57)

Fluid serves

 Crude

0.08 (− 0.00, 0.16)

0.11 (− 0.02, 0.24)

− 0.01 (− 0.13, 0.12)

 Adjusted

0.01 (− 0.06, 0.09)

0.06 (− 0.09, 0.20)

− 0.03 (− 0.15, 0.09)

Discretionary foods serves

 Crude

−0.04 (− 0.14, 0.07)

0.08 (− 0.04, 0.20)

− 0.03 (− 0.19, 0.14)

 Adjusted

0.04 (− 0.06, 0.13)

0.07 (− 0.05, 0.19)

−0.01 (− 0.17, 0.14)

Trimming fat from meat

Crude

“Never/rarely”

ref

ref

ref

“Sometimes”

0.43 (− 1.29, 2.15)

0.37 (− 1.71, 2.44)

0.18 (−3.31, 3.67)

“Usually/always/I don’t eat meat”

1.11 (−0.50, 2.72)

0.64 (− 1.26, 2.55)

0.97 (− 1.93, 3.86)

Adjusted

“Never/rarely”

ref

ref

ref

“Sometimes”

−0.08 (−1.59, 1.42)

− 0.02 (−2.08, 2.04)

− 0.34 (−3.76, 3.07)

“Usually/always/I don’t eat meat”

0.37 (− 1.06, 1.81)

0.36 (− 1.53, 2.24)

0.34 (− 2.34, 3.02)

Type of milk drunk

Crude

“Whole”

ref

ref

ref

“Don’t know/soy”

0.20 (−1.34, 1.74)

−0.85 (−3.04, 1.34)

0.16 (−2.08, 2.41)

“I don’t drink milk/low fat/skim”

0.27 (−0.50, 1.04)

−0.16 (−1.06, 0.75)

0.33 (− 1.13, 1.80)

Adjusted

“Whole”

ref

ref

ref

“Don’t know/soy”

−0.67 (−1.89, 0.54)

−1.00 (−3.34, 1.33)

−0.52 (−2.39, 1.35)

“I don’t drink milk/low fat/skim”

−0.20 (− 0.99, 0.59)

−0.14 (− 1.01, 0.72)

−0.27 (− 1.80, 1.26)

Unsaturated fat oils and spreads serves

 Crude

0.31 (−0.03, 0.65)

0.34 (−0.01, 0.70)

0.26 (− 0.14, 0.65)

 Adjusted

0.19 (−0.15, 0.53)

0.26 (− 0.09, 0.60)

0.14 (− 0.28, 0.55)

Salt added after cooking

Crude

“Never”

ref

ref

ref

“Sometimes”

0.50 (−0.19, 1.18)

− 0.22 (−1.18, 0.73)

1.14 (0.26, 2.02)*

“Usually”

−0.05 (−1.02, 0.92)

− 0.64 (−2.00, 0.73)

0.75 (− 0.29, 1.79)

Adjusted

n = 606

 

n = 310

“Never”

refa

ref

refa

“Sometimes”

0.34 (−0.23, 0.91)

0.05 (− 0.99, 1.08)

0.98 (0.25, 1.71)*

“Usually”

0.23 (−0.72, 1.19)

−0.18 (−1.58, 1.23)

0.63 (− 0.23, 1.49)

Salt added during cooking

Crude

“Never”

ref

ref

ref

“Sometimes”

0.08 (− 0.61, 0.76)

0.44 (−0.60, 1.48)

− 0.11 (−1.22, 0.99)

“Usually”

−1.06 (−2.21, 0.09)

− 1.35 (− 2.82, 0.12)

−0.64 (− 2.23, 0.94)

“Don’t know”

−2.23 (−4.78, 0.32)

−1.52 (−4.04, 0.99)

n/a

Adjusted

“Never”

ref

ref

ref

“Sometimes”

0.12 (−0.54, 0.78)

0.26 (− 0.76, 1.28)

0.01 (−1.11, 1.14)

“Usually”

−0.91 (−1.96, 0.14)

−1.26 (−2.72, 0.21)

−0.49 (− 1.96, 0.97)

“Don’t know”

−1.60 (−4.31, 1.12)

−1.51 (− 4.45, 1.44)

n/a

High sugar food serves

 Crude

−0.29 (− 0.52, − 0.06)

−0.17 (− 0.41, 0.06)

−0.25 (− 0.91, 0.40)

 Adjusted

− 0.16 (− 0.35, 0.04)

−0.15 (− 0.36, 0.05)

−0.17 (− 0.73, 0.39)

Alcohol serves

 Crude

0.10 (−0.13, 0.34)

0.22 (0.01, 0.44)*

0.36 (−0.23, 0.94)

 Adjusted

0.23 (− 0.01, 0.46)

0.22 (−0.04, 0.47)

0.27 (− 0.24, 0.78)

  1. Adjusted for age (sex – total only) + education + urban/rural + clustering by postcode + total physical activity (T1)
  2. DGI-2013 Dietary Guideline Index, TICS-m Telephone Interview of Cognitive Status
  3. aResults presented with outliers removed, *P < 0.05, **P < 0.01