Table 1 The characteristics of the study participants.

From: Physical activity is associated with a lower risk of pre-sarcopenic obesity in adolescents: evidence from Northwest China

Variables

Total

Non-pre-sarcopenic obesity

Pre-sarcopenic obesity

P value

Low SMM/W + BMI

Low SMM/W + FMP

Low SMM/W + WC

N (%)

2143(100.00)

1746(81.51)

176(8.21)

397(18.49)

315(14.70)

 

Age(years)

15.00(1.46)

15.06(1.46)

14.39(1.35)

14.75(1.42)

14.78(1.39)

< 0.001

Boys (%)

1292 (60.17)

1207 (68.97)

68(38.63)

85(21.41)

75(23.81)

< 0.001

Smoking (%)

480 (22.36)

443 (25.31)

21(11.9)

37 (9.32)

34(10.79)

< 0.001

Drinking (%)

715 (33.30)

630 (36.00)

39(22.16)

85 (21.41)

70(22.22)

< 0.001

High-fat food consumption

(%)

1609 (74.94)

1318 (75.86)

130(73.70)

291 (73.30)

226(71.75)

0.338

Sleep time (hours)

7.69(1.24)

7.72(1.24)

7.53(1.19)

7.53(1.21)

7.55(1.22)

< 0.001

TPA(METs-min/week)

3544.89(3248.30)

3722.19(3357.02)

2707.76(2570.17)

2763.35(2579.74)

2838.78(2578.30)

< 0.001

Physical activity category

    

< 0.001

LPA (%)

590(27.53)

536(27.25)

54(30.68)

125(31.48)

92(29.21)

 

MPA (%)

642(29.96)

576(29.28)

66(37.50)

145(36.53)

121(38.41)

 

VPA (%)

911(42.51)

855(43.47)

56(31.82)

127(31.99)

102(32.38)

 
  1. SMM/W, low skeletal muscle mass adjusted by weight; BMI: body mass index; FMP, fat mass percentage; WC, waist circumference; LPA, low physical activity; MPA, moderate physical activity; HPA, high physical activity; TPA, total physical activity.