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Table 2 Characteristics of the Subjects

From: Prevalence of the metabolic syndrome among children from six cities of China

 

Boys (n = 4,495)

Girls (n = 4,269)

Total (n = 8,764)

 
 

Mean ± SD

Mean ± SD

Mean ± SD

p-value

Age (years)

8.7 ± 1.4

8.6 ± 1.4

8.6 ± 1.4

< 0.0001

Anthropometric measures

  

   Height (cm)

135.4 ± 9.4

134.6 ± 9.8

135.0 ± 9.6

< 0.0001

   Weight (kg)

32.5 ± 9.6

30.4 ± 8.4

31.5 ± 9.1

< 0.0001

   Waist circumference (cm)

59.3 ± 9.6

56.0 ± 7.7

57.7 ± 8.9

< 0.0001

   BMI (kg/m2)

17.4 ± 3.3

16.5 ± 2.8

17.0 ± 3.1

< 0.0001

Blood pressure

  

   Systolic (mmHg)

100.9 ± 10.6

98.8 ± 10.6

99.9 ± 10.7

< 0.0001

   Diastolic (mmHg)

63.6 ± 8.8

63.6 ± 9.2

63.6 ± 9.0

0.8478

Metabolic profile

    

   TG (mmol/L)

0.80 ± 0.46

0.83 ± 0.43

0.81 ± 0.45

< 0.0001

   TC (mmol/L)

4.06 ± 0.76

4.11 ± 0.81

4.08 ± 0.78

0.0042

   LDL-C (mmol/L)

2.08 ± 0.62

2.16 ± 0.66

2.12 ± 0.64

< 0.0001

   HDL-C (mmol/L)

1.48 ± 0.31

1.45 ± 0.30

1.46 ± 0.31

< 0.0001

   Glucose (mmol/L)

4.57 ± 0.57

4.45 ± 0.58

4.51 ± 0.58

< 0.0001

BMI status

  

   Normal weight (%)

74.1

82.6

78.2

< 0.0001

   Overweight (%)

13.3

9.5

11.5

 

   Obesity (%)

12.6

7.9

10.3

 
  1. Comparison between boys and girls, using generalized linear mixed model for classified variables and mixed linear model for continuous variable by controlling the different schools and classes.
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BMC Public Health

ISSN: 1471-2458

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