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Table 3 Associations between quintiles of PDI, hPDI and uPDI and aging trajectories based on multinomial logistic regression model in age- and sex-stratified groups

From: Association between plant-based dietary pattern and biological aging trajectory in a large prospective cohort

Diet index

Medium-degree vs slow aging (OR, 95% CI)

High-degree vs slow aging (OR, 95% CI)

Q1

Q2

Q3

Q4

Q5

p-trend

Q1

Q2

Q3

Q4

Q5

p-trend

PDI

 Male

Ref

0.91 (0.74, 1.11)

0.76 (0.63, 0.93)

0.78 (0.64, 0.95)

0.82 (0.67, 1.00)

0.0186

Ref

0.94 (0.60, 1.46)

0.77 (0.50, 1.20)

0.89 (0.56, 1.40)

0.79 (0.50, 1.25)

0.3145

 Female

Ref

0.86 (0.70, 1.05)

0.79 (0.65, 0.96)

0.60 (0.49, 0.74)

0.69 (0.56, 0.84)

 < 0.0001

Ref

0.47 (0.30, 0.74)

0.56 (0.37, 0.86)

0.43 (0.27, 0.68)

0.50 (0.32, 0.76)

0.0030

 Age < 60

Ref

0.85 (0.71, 1.03)

0.76 (0.64, 0.91)

0.68 (0.57, 0.82)

0.77 (0.64, 0.92)

0.0005

Ref

0.61 (0.40, 0.92)

0.52 (0.35, 0.77)

0.51 (0.33, 0.78)

0.53 (0.35, 0.80)

0.0018

 Age ≥ 60

Ref

0.95 (0.76, 1.20)

0.82 (0.66, 1.03)

0.71 (0.56, 0.89)

0.74 (0.59, 0.93)

0.0005

Ref

0.84 (0.51, 1.40)

0.97 (0.60, 1.55)

0.83 (0.51, 1.37)

0.81 (0.50, 1.33)

0.4488

hPDI

 Male

Ref

0.85 (0.71, 1.02)

0.75 (0.59, 0.95)

0.69 (0.58, 0.84)

0.76 (0.61, 0.94)

0.0003

Ref

0.92 (0.61, 1.39)

0.83 (0.49, 1.41)

0.63 (0.41, 0.96)

0.73 (0.44, 1.21)

0.0335

 Female

Ref

0.91 (0.74, 1.12)

0.76 (0.59, 0.97)

0.71 (0.58, 0.86)

0.70 (0.56, 0.88)

 < 0.0001

Ref

0.64 (0.42, 0.99)

0.44 (0.25, 0.78)

0.50 (0.33, 0.77)

0.50 (0.31, 0.82)

0.0032

 Age < 60

Ref

0.90 (0.76, 1.07)

0.77 (0.62, 0.96)

0.67 (0.56, 0.79)

0.73 (0.60, 0.89)

 < 0.0001

Ref

0.81 (0.55, 1.19)

0.71 (0.44, 1.15)

0.48 (0.33, 0.72)

0.52 (0.32, 0.84)

0.0002

 Age ≥ 60

Ref

0.88 (0.70, 1.10)

0.75 (0.57, 0.99)

0.78 (0.62, 0.98)

0.75 (0.58, 0.96)

0.0127

Ref

0.77 (0.48, 1.24)

0.49 (0.26, 0.95)

0.72 (0.45, 1.15)

0.74 (0.44, 1.25)

0.3039

uPDI

 Male

Ref

1.06 (0.87, 1.28)

1.34 (1.10, 1.64)

1.23 (1.01, 1.49)

1.68 (1.35, 2.09)

 < 0.0001

Ref

0.98 (0.64, 1.50)

0.98 (0.61, 1.57)

0.97 (0.63, 1.51)

1.51 (0.93, 2.43)

0.2175

 Female

Ref

1.18 (0.97, 1.43)

1.04 (0.85, 1.28)

1.31 (1.08, 1.58)

1.75 (1.42, 2.15)

 < 0.0001

Ref

1.73 (1.07, 2.78)

0.87 (0.51, 1.50)

1.59 (0.99, 2.55)

1.97 (1.20, 3.21)

0.0316

 Age < 60

Ref

1.20 (1.00, 1.43)

1.26 (1.05, 1.51)

1.41 (1.18, 1.67)

1.78 (1.47, 2.16)

 < 0.0001

Ref

1.50 (0.99, 2.30)

1.12 (0.70, 1.79)

1.42 (0.92, 2.20)

2.04 (1.29, 3.24)

0.0151

 Age ≥ 60

Ref

1.01 (0.81, 1.25)

1.09 (0.87, 1.37)

1.08 (0.86, 1.34)

1.63 (1.28, 2.06)

0.0002

Ref

1.01 (0.62, 1.63)

0.73 (0.43, 1.24)

1.06 (0.66, 1.69)

1.41 (0.86, 2.31)

0.2164

  1. Slow aging: slow aging trajectory, Medium-degree: medium-degree accelerated aging trajectory, High-degree: high-degree accelerated aging trajectory
  2. Model adjusted for age, gender, education level, marital status, smoking status, drinking status, and chronic disease count
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BMC Medicine

ISSN: 1741-7015

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