Comparisons of Waist Circumference Measurements at Five Different Anatomical Sites in Chinese Children
Table 1
Descriptive statistics of physical characteristics of participants.
Male ()
Female ()
value
95% CI of mean difference
Mean (SD)
5th percentiles
95th percentiles
Mean (SD)
5th percentiles
95th percentiles
Age (y)
13.81 (2.85)
9.10
18.46
13.66 (2.85)
9.09
18.57
0.670
−0.55–0.85
Height (cm)
161.80 (14.04)
135.90
181.00
154.31 (9.77)
136.79
167.91
<0.001
4.51–10.47
Weight (kg)
55.9 (17.0)
33.80
92.58
47.4 (11.3)
30.80
65.71
<0.001
4.90–12.02
BMI (kg/m2)
20.96 (4.16)
16.03
30.02
19.69 (3.25)
15.20
25.22
0.008
0.34–2.18
WC1 (cm)
69.52 (10.32)
56.41
93.02
62.48 (7.00)
52.02
75.08
<0.001
4.87–9.21
WC2 (cm)
69.01 (10.55)
55.76
91.64
62.01 (6.93)
51.60
73.96
<0.001
4.80–9.20
WC3 (cm)
70.06 (11.25)
56.33
93.35
63.86 (7.51)
52.80
76.82
<0.001
3.83–8.55
WC4 (cm)
70.77 (11.73)
56.53
95.41
63.80 (7.52)
53.06
76.83
<0.001
4.45–9.30
WC5 (cm)
73.09 (11.78)
58.20
96.67
67.68 (8.32)
55.23
80.27
<0.001
2.90–7.93
% BF (%)
20.77 (9.90)
7.94
38.64
27.85 (7.67)
14.99
40.70
<0.001
−9.26–−4.90
FM (kg)
12.06 (9.02)
3.52
31.90
13.49 (6.42)
5.07
24.17
0.147
−3.35–0.50
% BF in trunk (%)
20.77 (10.91)
7.14
42.60
27.28 (8.66)
13.25
41.72
<0.001
−8.94–−4.08
FM in trunk (kg)
5.66 (4.89)
1.42
17.65
6.18 (3.29)
1.91
11.89
0.320
−1.55–0.51
WC1: immediately below the lowest rib; WC2: at the narrowest part of the torso, above the umbilicus, and below the xiphoid process; WC3: midpoint between the lowest rib and the iliac crest; WC4: 1 cm above the umbilicus; WC5: immediately above the superior border of the iliac crest. % BF: body fat percentage; FM: fat mass; % BF in trunk: body fat percentage in the trunk; FM in trunk: fat mass in the trunk.
