Table 1 Descriptive characteristics of the 9-year-old children.

From: Body composition, physical fitness and cardiovascular risk factors in 9-year-old children

 

All

Girls

Boys

n

Value

n

Value

n

Value

General characteristics

Age (years)

411

9.5 (0.1)

200

9.5 (0.1)

211

9.5 (0.1)

Height (cm)

411

139.4 (6.1)

200

138.7 (5.9)

211

140.2 (6.2)

Weight (kg)

411

33.2 (6.8)

200

32.7 (6.8)

211

33.6 (6.7)

Body composition

BMI (kg/m2)

411

16.9 (2.5)

200

16.9 (2.6)

211

17.0 (2.4)

FM (%)

410

19.7 (7.5)

200

21.2 (7.3)

210

18.3 (7.3)

FMI (kg/m2)

410

3.5 (1.9)

200

3.7 (2.0)

210

3.3 (1.9)

FFMI (kg/m2)

410

13.5 (1.1)

200

13.2 (1.0)

210

13.8 (1.1)

Physical fitness

20 m shuttle run (laps)

404

20.6 (9.8)

196

18.1 (7.4)

208

23.0 (11.2)

Handgrip strength (kg)

409

16.7 (3.1)

199

15.8 (2.8)

210

17.4 (3.1)

Standing long jump (cm)

409

124 (19)

199

118 (18)

210

129 (19)

4 × 10 m shuttle run (s)

407

14.0 (1.1)

196

14.2 (1.0)

211

13.8 (1.1)

CVD risk factors

Systolic BP (mmHg)

409

111 (9)

198

111 (10)

211

110 (9)

Diastolic BP (mmHg)

409

69 (6)

198

69 (6)

211

68 (6)

Glucose (mmol/l)a

173

5.1 (0.4)

92

5.0 (0.4)

81

5.1 (0.4)

Insulin (mIE/l)b

169

7.4 (3.8)

89

8.1 (4.0)

80

6.7 (3.5)

HOMA-IR

166

1.7 (0.9)

87

1.8 (1.0)

79

1.5 (0.8)

Total cholesterol (mmol/l)a

175

4.2 (0.7)

94

4.3 (0.6)

81

4.1 (0.7)

LDL cholesterol (mmol/l)a

175

2.2 (0.6)

94

2.3 (0.6)

81

2.1 (0.6)

HDL cholesterol (mmol/l)a

175

1.7 (0.4)

94

1.7 (0.4)

81

1.7 (0.3)

Triglycerides (mmol/l)a

175

0.6 (0.2)

94

0.7 (0.2)

81

0.6 (0.2)

MetS score (Z-score)

173

0.0 (1.0)

92

0.0 (1.0)

81

0.0 (1.0)

  1. Values are presented as means (standard deviations). BMI, body mass index; BP, blood pressure; FM, fat-mass; FMI, fat-mass index; FFMI, fat-free mass index; CVD risk factors, cardiovascular disease risk factors; HDL, high density lipoprotein cholesterol; LDL, low density lipoprotein cholesterol; HOMA-IR, Homeostatic Model Assessment of Insulin Resistance; MetS score, metabolic syndrome score calculated using normalized sum of sex-specific z-scores for triglycerides, inverted (by multiplying with − 1), HDL-cholesterol, fasting glucose and the average of systolic and diastolic blood pressure.
  2. aMeasured in plasma.
  3. bMeasured in serum.