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Table 2 Association between quintiles of adherence to the cumulative average PHDI and annual cognitive decline stratified according to physical activity

From: Adherence to the planetary health diet is associated with slower cognitive decline: a prospective cohort analysis of Chinese older adults

 

Light (n = 1818)

Moderate (n = 677)

Vigorous (n = 598)

β (95% CI)

P

β (95% CI)

P

β (95% CI)

P

Memory

      

Quintile 1 * age

Reference

Reference

Reference

Quintile 2 * age

0.024 (-0.006; 0.055)

0.112

-0.030 (-0.078; 0.018)

0.216

0.004 (-0.048; 0.055)

0.882

Quintile 3 * age

0.039 (0.009; 0.069)

0.011

0.055 (0.007; 0.102)

0.023

0.016 (-0.035; 0.068)

0.537

Quintile 4 * age

0.033 (0.001; 0.064)

0.043

0.010 (-0.038; 0.059)

0.675

0.061 (0.004; 0.117)

0.037

Quintile 5 * age

0.026 (0.009; 0.061)

0.043

-0.036 (-0.089; 0.016)

0.175

0.070 (0.010; 0.130)

0.022

P for trend

 

0.005

 

0.750

 

0.013

Attention

 

Quintile 1 * age

Reference

Reference

Reference

Quintile 2 * age

0.015 (-0.019; 0.050)

0.374

-0.035 (-0.090; 0.020)

0.209

0.006 (-0.056; 0.067)

0.854

Quintile 3 * age

0.021 (-0.013; 0.055)

0.230

-0.002 (-0.056; 0.053)

0.955

0.068 (0.007; 0.130)

0.029

Quintile 4 * age

0.015 (-0.021; 0.050)

0.414

-0.029 (-0.086; 0.027)

0.307

0.034 (-0.034; 0.101)

0.328

Quintile 5 * age

0.014 (-0.026; 0.053)

0.495

-0.009 (-0.070; 0.051)

0.762

0.035 (-0.037; 0.106)

0.345

P for trend

 

0.565

 

0.432

 

0.322

Calculation

 

Quintile 1 * age

Reference

Reference

Reference

Quintile 2 * age

-0.004 (-0.033; 0.025)

0.796

-0.003 (-0.050; 0.044)

0.890

0.023 (-0.033; 0.078)

0.427

Quintile 3 * age

-0.005 (-0.034; 0.024)

0.738

-0.031 (-0.077; 0.016)

0.193

0.044 (-0.012; 0.100)

0.121

Quintile 4 * age

0.003 (-0.037; 0.010)

0.853

-0.030 (-0.078; 0.019)

0.228

-0.004 (-0.066; 0.057)

0.894

Quintile 5 * age

0.044 (0.010; 0.078)

0.011

0.003 (-0.048; 0.055)

0.900

0.027 (-0.038; 0.092)

0.417

P for trend

 

0.089

 

0.201

 

0.398

Cognition

 

Quintile 1 * age

Reference

Reference

Reference

Quintile 2 * age

0.011 (-0.008; 0.031)

0.260

-0.025 (-0.057; 0.007)

0.121

0.011 (-0.024; 0.046)

0.539

Quintile 3 * age

0.018 (-0.002; 0.037)

0.077

-0.028 (-0.059; 0.004)

0.085

0.043 (0.008; 0.079)

0.017

Quintile 4 * age

0.016 (-0.005; 0.036)

0.127

-0.016 (-0.049; 0.017)

0.343

0.030 (-0.009; 0.069)

0.131

Quintile 5 * age

0.028 (0.005; 0.051)

0.016

-0.011 (-0.046; 0.024)

0.525

0.045 (0.003; 0.086)

0.034

P for trend

 

0.101

 

0.234

 

0.037

  1. B, estimate; CI, confidence interval
  2. Estimate, confidence intervals, and p-values were calculated using linear mixed-effects models (two-sided)
  3. The Linear mixed-effects model adjusted for age, s gender, education, marriage, and residency, region, household income per capita, smoking, alcohol consumption, and BMI category
  4. P for trend using the Wald test
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International Journal of Behavioral Nutrition and Physical Activity

ISSN: 1479-5868

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