Table 1 Sample characteristics at baseline and participants at the Spanish KIDSCREEN follow-up study
From: Effect on Health-related Quality of Life of changes in mental health in children and adolescents
N | (%) | Participants N (%) | Non-participants N (%) | p-value | Degree of freedom | |
|---|---|---|---|---|---|---|
Gender | ||||||
Boys | 420 | 50 | 218 (48%) | 202 (52.5%) | 0.213 | 1 |
Family Affluence Scale | ||||||
Low | 167 | 20.2 | 83 (18.7%) | 84 (22.1%) | ||
Middle | 411 | 49.9 | 224 (50.5%) | 187 (49.2%) | 0.458 | 2 |
High | 246 | 29.9 | 137 (30.9%) | 109 (28.7%) | ||
Parental level of education | ||||||
Primary | 356 | 43.2 | 177 (39.4%) | 179 (47.7%) | ||
Secondary | 195 | 23.7 | 119 (26.5%) | 76 (20.3%) | 0.032 | 2 |
University | 273 | 33.1 | 153 (34.1%) | 120 (32.0%) | ||
Age (mean, SD) | 12.91 (2.91) | 12.71 (2.88) | 13.14 (2.92) | 0.031 | 838 | |
SDQ total difficulties (mean, SD) | 8.14 (5.04) | 7.89 (4.84) | 8.43 (5.24) | 0.130 | 809 |