Table 1.
Sample characteristics and independent samples t-test regarding all variables of interest (total sample: N = 991, respectively N = 787 for parental reports of HRQoL).
| Total sample | Boys | Girls | Boys x Girls | ||
|---|---|---|---|---|---|
| M (SD) | t | Cohen’s d | |||
| Age (years) | 9.58 (.62) | 9.61 (0.62) | 9.57 (0.62) | — | — |
| BMI (kg/m²) | 17.33 (2.57) | 17.16 (2.74) | 17.10 (2.72) | p > 0.05 | — |
| BMIPCT | 48.04 (27.58) | — | — | — | — |
| TEI total | 9.48 (1.61) | 9.25 (1.70) | 9.70 (1.46) | **p < 0.01 | 0.28 |
| TEI intrapersonal | 1.63 (0.66) | 1.56 (0.68) | 1.70 (0.60) | **p < 0.001 | 0.21 |
| TEI interpersonal | 2.22 (0.59) | 2.08 (0.62) | 2.36 (0.51) | ***p < 0.001 | 0.24 |
| TEI adaptability | 2.02 (0.66) | 2.10 (0.67) | 1.94 (0.63) | ***p < 0.001 | 0.24 |
| TEI stress management | 3.60 (0.75) | 3.51 (0.78) | 3.69 (0.70) | ***p < 0.001 | 0.24 |
| Body Image Dissatisfaction | −0.38 (0.82) | −0.31 (0.83) | −0.45 (0.81) | p > 0.05 | — |
| HRQoL emotional well-being | 79.16 (11.37) | 77.03 (13.10) | 77.23 (13.10) | p > 0.05 | — |
| HRQoL self-worth | 47.67 (13.87) | 47.42 (14.27) | 48.21 (13.56) | p > 0.05 | — |
| HRQoL well-being in the family | 67.40 (12.20) | 67.22 (12.34) | 67.41 (12.56) | p > 0.05 | — |
| HRQoL well-being related to friends/peers | 61.80 (12.80) | 61.64 (14.00) | 61.70 (11.66) | p > 0.05 | |
| HRQoL school-related well-being | 57.05 (15.96) | 55.28 (17.78) | 59.25 (13.70) | ***p < 0.001 | 0.25 |
All values are mean ± SD unless stated otherwise; BMI, Body Mass Index; BMIPCT, BMI percentiles; SD, Standard Deviation; ***p < 0.001; **p < 0.01; *p < 0.05.