Skip to main content

Table 2 Sex differences in fat mass estimators in nutritional groups

From: Estimating trunk fat in children according to sex using basic somatic readings: an opportunity for improving evaluation among girls

  ALL Under Weight NORMAL
WEIGHT
OVER
WEIGHT
OBESE
N (% BOYS) 472 (39.4) 35 (45.7) 182 (39.0) 112 (41.1) 143 (37)
BMI Zs (a)
M 0.86
(− 0.23/1.63)
− 1.42
(− 1.78/−.24)
− 0.04
(− 0.57/0.37)
1.09
(0.91/1.27)
2.23
(1.67/2.97)
F 0.81
(0.12/1.67)
− 1.28
(− 1.47/− 1.15)
0.14
(− 0.31/0.39)
1.02
(0.84/1.20)
2.33
(1.73/3.36)
U 2135 93 3201 1291 2135
p value 0.444 0.135 0.079 0.245 0.444
WC Zs (a)
M 0.59
(− 0.32/1.51)
− 1.21
(− 1.49/− 0.93)
− 0.22
(− 0.74/0.31)
0.88
(0.30/1.33)
1.80
(1.35/2.44)
F 1.73
(0.38/2.67)
− 0.33
(− 1.22/0.02)
0.40
(− 0.24/1.40)
2.03
(1.42/2.50)
3.20
(2.34/3.20)
U 16,429 66 2412 441 960
P value 0.001 0.004 0.001 0.001 0.001
WHtR (a)
M 0.49
(0.45/0.54)
0.41
(0.40/0.42)
0.46
(0.43/0.48)
0.51
(0.48/0.53)
0.55
(0.52/0.57)
F 0.52
(0.45/0.56)
0.41
(0.40/0.43)
0.46
(0.43/0.51)
0.54
(0.51/0.55)
0.57
(0.54/0.60)
U 1693 3449 3449 931 1692
P value 0.004 0.155 0.115 0.001 0.004
RFMp%(a)
M 29,21
(24.27/32.92)
20.73
(18.67/21.37)
25.69
(22.80/28.20)
31.24
(28.35/32.35)
35.89
(32.05/36.15)
F 36.63
(30.2/39.51)
25.05
(23.44/28.39)
30.52
(28.20/35.09)
37.95
(35.75/38.82)
40.63
(38.27/42.42)
U 1803 1412 931 142 372
P value 0.001 0.001 0.001 0.001 0.001
  1. Abbreviations: a, median (IQR); U Mann–Whitney U; M male; F female; WC waist circumference; Zs Z-score