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Table 4 Factor loadings of conventional variables with leptin and adiponectin on the selected factors

From: Prevalence of metabolic syndrome in a cohort of Chinese schoolchildren: comparison of two definitions and assessment of adipokines as components by factor analysis

Variable

Conventional variables

Conventional variables

  

+leptin + adiponectin

 

Factor 1

Factor 2

Factor 3

Factor 1

Factor 2

Factor 3

Boys (n = 1717)

WC

0.616

0.557

0.158

0.701

0.495

0.136

SBP

0.246

0.876

0.143

0.287

0.864

0.140

DBP

0.110

0.906

0.087

0.143

0.898

0.110

TG#

0.753

0.095

0.037

0.696

0.060

0.072

HDL-C

−0.752

−0.223

0.166

−0.695

−0.213

0.184

Glucose

−0.149

0.092

0.831

−0.127

0.118

0.819

HOMA-IR#

0.648

0.210

0.676

0.670

0.171

0.650

Insulin#

0.689

0.207

0.600

0.710

0.163

0.574

Leptin#

   

0.707

0.160

0.239

Adiponectin#

   

−0.546

−0.237

0.159

Variance explained (%)

31.275

25.651

19.874

33.284

19.987

15.937

Cumulative variance (%)

31.275

56.926

76.800

33.284

53.271

69.208

Girls (n = 1656)

WC

0.419

0.510

0.447

0.425

0.547

0.469

SBP

0.167

0.891

0.093

0.173

0.139

0.877

DBP

0.127

0.891

0.031

0.147

0.059

0.883

TG#

0.180

−0.057

0.763

0.248

0.625

−0.130

HDL-C

0.017

−0.205

−0.805

0.002

−0.759

−0.127

Glucose

0.681

0.018

−0.131

0.670

−0.169

0.035

HOMA-IR#

0.859

0.280

0.321

0.852

0.340

0.246

Insulin#

0.803

0.288

0.356

0.797

0.381

0.250

Leptin#

   

0.491

0.529

0.350

Adiopnectin#

   

−0.008

−0.614

−0.173

Variance explained (%)

26.228

25.699

21.097

23.449

22.352

20.796

Cumulative variance (%)

26.228

51.927

73.024

23.449

45.801

66.597

  1. Abbreviations: WC waist circumference, SBP systolic blood pressure, DBP diastolic blood pressure, TG triglycerides, HDL-C high-density lipoprotein cholesterol, HOMA-IR homeostatic model assessment of insulin resistance. #Skewed distributions were logarithmically transformed. Factors with an eigenvalue ≥1 were selected for analysis. Factor loading ≥ |0.40| are in bold font.
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BMC Public Health

ISSN: 1471-2458

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