Table 1 Demographic characteristics of study participants
From: When ignorance is bliss: weight perception, body mass index and quality of life in adolescents
Variable | Total (N=3040) | Male (n=1706) | Female (n=1334) | P |
---|---|---|---|---|
M (s.d.) | M (s.d.) | M (s.d.) | ||
Age | 14.62 (1.38) | 14.59 (1.34) | 14.65 (1.42) | 0.23 |
Height | 164.84 (9.68) | 167.50 (10.55) | 161.44 (7.10) | <0.001 |
Weight | 59.61 (13.40) | 61.15 (14.33) | 57.63 (11.84) | <0.001 |
BMI | 21.78 (3.81) | 21.59 (3.72) | 22.03 (3.91) | <0.01 |
BMI-z | 0.55 (1.04) | 0.58 (1.06) | 0.52 (1.03) | 0.18 |
PedsQL | ||||
Global | 78.77 (10.40) | 79.57 (10.28) | 77.74 (10.47) | <0.001 |
Psychosocial | 74.76 (12.33) | 75.30 (12.26) | 74.08 (12.38) | <0.01 |
Physical | 86.38 (9.57) | 87.82 (8.90) | 84.56 (10.01) | <0.001 |
Weight status (3-category) | N (%) | N (%) | N (%) | |
Thinness/normal | 2026 (68.58) | 1139 (68.61) | 887 (68.55) | |
Overweight | 649 (21.97) | 352 (21.20) | 297 (22.95) | |
Obesity | 279 (9.44) | 169 (10.18) | 110 (8.50) | 0.50 |
Weight perception | ||||
Underweight | 469 (15.88) | 312 (18.80) | 157 (12.13) | |
About the right weight | 1734 (58.70) | 979 (58.98) | 755 (58.35) | |
Overweight | 751 (25.42) | 369 (22.23) | 382 (29.52) | <0.001 |