Table 1 Descriptive characteristics of adolescents according to gender
From: Relationship between sleep duration and TV time with cardiometabolic risk in adolescents
n (%) | p | |||
Total (n = 1411) | Male (n = 611) | Female (n = 800) | ||
Skin color/ethnicity | ||||
White | 1121 (79.4) | 482 (78.9) | 639 (79.9) | 0.879 |
Black | 97 (6.9) | 45 (7.4) | 52 (6.5) | |
Brown/mulatto | 174 (12.3) | 74 (12.1) | 100 (12.5) | |
Indigenous | 10 (0.7) | 5 (0.8) | 5 (0.6) | |
Yellow | 9 (0.6) | 5 (0.8) | 4 (0.5) | |
Sleep duration | ||||
Short time | 328 (23.2) | 157 (25.7) | 171 (21.4) | 0.152 |
Adequate | 1015 (71.9) | 427 (69.9) | 588 (73.5) | |
Long time | 68 (4.8) | 27 (4.4) | 41 (5.1) | |
Mean (SD) | p | |||
Age (years) | 12.74 (1.96) | 12.87 (1.99) | 12.65 (1.93) | 0.416 |
TV time (min) | 142.50 (120.85) | 132.69 (110.21) | 149.39 (127.42) | 0.008 |
CR (z-score) | − 0.23 (3.31) | − 0.29 (3.19) | − 0.18 (3.40) | 0.235 |
WC (cm) | 67.99 (8.93) | 69.68 (9.17) | 66.69 (8.52) | 0.146 |
VO2peak ((mL/kg)/min) | 44.41 (6.73) | 48.09 (6.49) | 41.60 (5.44) | < 0.001 |
SBP (mmHg) | 107.57 (12.97) | 108.29 (12.72) | 107.02 (13.14) | 0.945 |
TG (mg/dL) | 71.46 (31.62) | 66.09 (30.07) | 75.56 (32.17) | 0.053 |
HDL-c (mg/dL) | 57.17 (10.47) | 57.05 (10.90) | 57.26 (10.12) | 0.052 |
Glycemia (mg/dL) | 88.50 (6.89) | 90.00 (6.78) | 87.35 (6.76) | 0.395 |