Skip to main content

Table 1 Weighted characteristics of the study population based on apolipoprotein B quartiles

From: Associations between apolipoprotein B and bone mineral density: a population-based study

Apolipoprotein B (g/L)

Total

Q1 (≤ 0.70)

Q2 (0.71–0.87)

Q3 (0.88–1.04)

Q4 (≥ 1.05)

P-value

 

N = 4,258

N = 1014

N = 1100

N = 1038

N = 1106

 

Age (years)

37.555 ± 12.312

32.878 ± 12.063

36.894 ± 12.192

40.022 ± 11.795

43.481 ± 10.158

 < 0.001

Sex, (%)

     

 < 0.001

    Male

52.020

47.561

49.789

51.799

61.100

 

    Female

47.980

52.439

50.211

48.201

38.900

 

    Postmenopausal female

11.165

8.542

10.419

12.498

11.716

 

    Premenopausal female

36.815

43.897

39.792

35.703

27.184

 

Race/Ethnicity (%)

     

0.037

    Non-Hispanic White

35.040

60.395

61.974

61.937

63.407

 

    Non-Hispanic Black

21.536

14.152

11.881

9.941

9.652

 

    Mexican American

15.101

8.944

10.126

11.198

11.692

 

    Other race/ethnicity

28.323

16.509

16.020

16.925

15.249

 

Education level (%)

     

 < 0.001

    Less than high school

15.176

12.818

14.757

14.933

18.195

 

    High school

20.229

19.163

18.237

19.882

23.635

 

    More than high school

64.595

68.019

67.006

65.185

58.170

 

Moderate activities (%)

     

0.048

    Yes

43.776

49.854

47.320

45.134

44.159

 

    No

56.224

50.146

52.680

54.866

55.841

 

Smoked at least 100 cigarettes in life, n (%)

     

 < 0.001

    Yes

39.027

33.536

41.124

40.876

46.996

 

    No

60.973

66.464

58.876

59.124

53.004

 

Had at least 12 alcohol drinks in 1 year, n (%)

     

0.010

    Yes

73.258

76.667

79.409

78.790

81.705

 

    No

16.742

23.333

20.591

21.210

18.295

 

Diabetes, n (%)

     

0.008

    Yes

6.881

8.531

5.194

5.670

7.776

 

    No

93.119

91.469

93.010

92.708

89.805

 

Take prescription for cholesterol, (%)

     

0.019

    Yes

8.196

6.410

7.818

8.285

10.127

 

    No

91.804

93.590

92.182

91.715

89.873

 

Arthritis, n (%)

     

 < 0.001

    Yes

13.434

9.758

13.920

15.647

18.281

 

    No

86.564

90.242

86.080

84.353

81.719

 

Body mass index (kg/m2)

28.761 ± 7.102

26.508 ± 6.762

28.541 ± 6.989

29.683 ± 6.805

30.695 ± 6.670

 < 0.001

Income to poverty ratio

2.409 ± 1.662

2.6766 ± 1.6927

2.8033 ± 1.6928

2.9478 ± 1.6961

3.1525 ± 1.7327

 < 0.001

ALT (U/L)

26.133 ± 19.656

21.376 ± 14.146

25.851 ± 21.278

27.169 ± 18.666

30.586 ± 18.620

 < 0.001

AST (U/L)

25.700 ± 24.285

24.043 ± 24.677

25.962 ± 25.753

25.357 ± 14.509

27.010 ± 14.964

0.010

ALP (U/L)

66.030 ± 22.041

61.745 ± 21.678

63.438 ± 20.193

65.566 ± 19.744

69.127 ± 27.203

 < 0.001

Total calcium (mg/dL)

9.353 ± 0.329

9.325 ± 0.312

9.338 ± 0.326

9.341 ± 0.336

9.390 ± 0.332

 < 0.001

Serum phosphorus (mg/dL)

3.729 ± 0.558

3.767 ± 0.561

3.722 ± 0.563

3.683 ± 0.539

3.638 ± 0.519

 < 0.001

Globulin (g/dL)

2.868 ± 0.432

2.717 ± 0.410

2.785 ± 0.423

2.792 ± 0.404

2.831 ± 0.409

 < 0.001

Lumbar BMD (g/cm2)

1.031 ± 0.150

1.057 ± 0.151

1.038 ± 0.152

1.021 ± 0.147

1.252 ± 0.160

 < 0.001

Total femur BMD (g/cm2)

0.977 ± 0.141

0.981 ± 0.153

0.981 ± 0.153

0.962 ± 0.143

0.994 ± 0.124

0.027

Femoral neck BMD (g/cm2)

0.814 ± 0.138

0.813 ± 0.152

0.825 ± 0.152

0.804 ± 0.139

0.816 ± 0.120

0.502

  1. Mean ± SD for continuous variables: the P value was calculated by the weighted linear regression model
  2. (%) for categorical variables: the P value was calculated by the weighted chi-square test
  3. Abbreviation: BMD bone mineral density, ALT alanine aminotransferase, AST aspartate aminotransferase, ALP alkaline phosphatase, HDL-C high density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol
Back to article page

BMC Musculoskeletal Disorders

ISSN: 1471-2474

Contact us