Table 3 Comparisons of covariate-adjusted mean of bone mineral density by quintiles of aMed scores stratified by gender.

From: Adherence to the Mediterranean diet is associated with a higher BMD in middle-aged and elderly Chinese

 

quintiles of diet-quality scores

%Diff.b

P-Diff.

P-trend

P for interaction

>Q1

Q2

Q3

Q4

Q5(highest)

aMed Score (range)

0–2

3

4

5

6–9

    

Men

N = 693

129

145

135

152

132

    

BMDa, g/cm2

 Whole body

1.161 ± 0.009

1.175 ± 0.008

1.198 ± 0.009

1.180 ± 0.008

1.187 ± 0.009

2.24

0.042

0.037

0.489

 Lumbar Spine L1-4

0.944 ± 0.013

0.955 ± 0.012

0.980 ± 0.012

0.957 ± 0.012

0.974 ± 0.013

3.18

0.227

0.124

0.338

 Total Hip

0.892 ± 0.009

0.896 ± 0.009

0.921 ± 0.009

0.915 ± 0.009

0.918 ± 0.009

2.91

0.072

0.015

0.725

 Femur neck

0.733 ± 0.009

0.742 ± 0.009

0.753 ± 0.009

0.755 ± 0.008

0.753 ± 0.009

2.73

0.344

0.066

0.964

 Trochanter

0.658 ± 0.008

0.658 ± 0.008

0.676 ± 0.008

0.671 ± 0.007

0.675 ± 0.008

2.58

0.262

0.065

0.714

 Intertrochanter

1.063 ± 0.011

1.070±0.011

1.102 ± 0.011

1.089±0.010

1.091 ± 0.011

2.63

0.079

0.034

0.752

 Ward’s triangle

0.510 ± 0.011

0.510 ± 0.011

0.525 ± 0.011

0.526 ± 0.010

0.518 ± 0.011

1.59

0.723

0.382

0.968

Women

N = 1678

319

333

367

343

316

    

BMDa, g/cm2

 Whole body

1.048 ± 0.005

1.055 ± 0.005

1.065 ± 0.005

1.069 ± 0.005

1.067 ± 0.005

1.81

0.023

0.002

 

 Lumbar Spine L1-4

0.832 ± 0.007

0.850 ± 0.007

0.846 ± 0.007

0.859 ± 0.007

0.856 ± 0.007

2.88

0.069

0.012

 

 Total Hip

0.793 ± 0.005

0.795 ± 0.005

0.805 ± 0.005

0.807 ± 0.005

0.813 ± 0.005

2.40

0.056

0.003

 

 Femur neck

0.656 ± 0.005

0.662 ± 0.005

0.667 ± 0.005

0.672 ± 0.005

0.673 ± 0.005

2.59

0.090

0.006

 

 Trochanter

0.591 ± 0.004

0.595 ± 0.004

0.598 ± 0.004

0.599 ± 0.004

0.607 ± 0.004

2.71

0.136

0.010

 

 Intertrochanter

0.952 ± 0.007

0.954 ± 0.007

0.969 ± 0.006

0.971 ± 0.007

0.978 ± 0.007

2.73

0.026

0.001

 

 Ward’s triangle

0.491 ± 0.007

0.496 ± 0.006

0.503 ± 0.006

0.506 ± 0.006

0.506 ± 0.007

3.05

0.379

0.052

 
  1. All analyses were adjusted for age, body mass index, marital status, education status, household income, smoking status, calcium supplement use, multivitamin use, physical activity and daily energy intake. For women, years since menopause and oral estrogen use were further adjusted.
  2. aMean ± SE.
  3. b%Diff.: percentage difference = (Q5 − Q1)/Q1 × 100%.
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