Table 1 Characteristics of all the participants, children, and adolescents and the differences between them
From: Associations of novel 24-h accelerometer-derived metrics with adiposity in children and adolescents
| Â | All (n = 720) | Children (n = 382) | Adolescents (n = 338) | p-value |
|---|---|---|---|---|
Age (years) | 13.9 (2.8) | 11.7 (1.6) | 16.4 (1.3) | <0.001 |
Girls (% of n) | 56.2 | 56.2 | 55.9 | 0.866 |
Anthropometric variables | ||||
 Height (cm) | 160.5 (14.2) | 151.6 (12.1) | 170.5 (8.7) | <0.001 |
 Weight (kg) | 53.1 (15.4) | 43.8 (11.5) | 63.7 (12.0) | <0.001 |
 BMI z-score | 0.25 (1.09) | 0.27 (1.15) | 0.23 (1.02) | 0.691 |
 Overweight and obesity prevalence (% of n) | 23.6 | 25.4 | 21.6 | 0.231 |
 FM% | 20.1 (8.7) | 19.5 (8.2) | 20.7 (9.2) | 0.065 |
 Visceral adipose tissue (cm2) | 49.2 (31.5) | 43.5 (27.8) | 55.6 (34.2) | <0.001 |
24-h activity metrics | ||||
 AvAcc (mg) | 37.3 (10.9) | 41.6 (11.2) | 32.5 (8.2) | <0.001 |
 IG | –2.19 (0.20) | –2.09 (0.16) | –2.31 (0.18) | <0.001 |
 MX metrics (mg) | ||||
  M2 | 951.0 (448.2) | 1180.3 (434.4) | 691.8 (297.0) | <0.001 |
  M5 | 665.8 (315.7) | 817.6 (322.0) | 494.3 (199.5) | <0.001 |
  M15 | 398.7 (174.0) | 472.2 (189.2) | 315.6 (105.2) | <0.001 |
  M30 | 275.0 (98.7) | 312.8 (108.8) | 232.3 (63.1) | <0.001 |
  M60 | 158.3 (51.3) | 202.7 (55.5) | 165.7 (37.5) | <0.001 |
  M120 | 116.1 (30.0) | 124.9 (30.8) | 106.0 (25.6) | <0.001 |
  M1/3Day | 20.3 (6.3) | 21.8 (6.5) | 18.7 (5.7) | <0.001 |
Accelerometer wear | ||||
 Wear time (min/day) | 1413.7 (41.1) | 1414.1 (39.0) | 1413.3 (43.4) | 0.784 |
 Valid days | 6.9 (0.2) | 6.9 (0.2) | 7.0 (0.1) | <0.001 |