Table 1.
Subject characteristics by age and sex
| Age group | 8–11 years old | 12–18 years old | ||||||
|---|---|---|---|---|---|---|---|---|
| Sex | Boys (n = 357) | Girls (n = 416) | Boys (n = 408) | Girls (n = 383) | ||||
| Respondents | 321 | 89.9a | 394 | 94.7 | 232 | 56.9 | 327 | 85.8 |
| Respondents without missing values | 244 | 76.0b | 303 | 72.8 | 214 | 92.2 | 297 | 90.8 |
| Age , years; mean, S.D. | 9.2 | 0.9 | 9.2 | 0.9 | 14.4 | 1.7 | 14.6 | 1.6 |
| Subjects with chronic illness | 16 | 6.6c | 18 | 5.9 | 14 | 6.5 | 23 | 7.7 |
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | |
|---|---|---|---|---|---|---|---|---|
| J-KIDSCREEN-52 | ||||||||
| Physical Well-being | 58.8 | 12.5 | 57.9 | 12.0 | 49.7 | 11.8 | 49.0 | 12.1 |
| Psychological Well-being | 53.6 | 11.9 | 56.8* | 10.9 | 45.9 | 11.9 | 48.9* | 13.1 |
| Moods & Emotions | 52.0 | 11.6 | 53.6 | 11.8 | 47.2 | 10.9 | 47.7 | 12.0 |
| Self-Perception | 49.4 | 9.5 | 49.5 | 9.7 | 45.0 | 7.2 | 43.7 | 8.9 |
| Autonomy | 49.2 | 11.8 | 50.2 | 11.4 | 45.3 | 9.7 | 47.4* | 10.2 |
| Parent Relations & Home Life | 51.3 | 10.9 | 53.6* | 11.0 | 45.0 | 11.0 | 49.0* | 12.1 |
| Financial Resources | 44.4 | 13.0 | 46.2 | 12.4 | 48.2 | 9.5 | 50.8* | 9.8 |
| Social Support & Peers | 54.0 | 12. | 57.6* | 12.0 | 50.5 | 12.1 | 55.3* | 12.9 |
| School Environment | 58.3 | 11.6 | 60.1 | 11.3 | 49.6 | 10.0 | 51.5* | 10.8 |
| Social Acceptance (Bullying) | 47.6 | 12.2 | 48.7 | 11.1 | 44.8 | 11.8 | 47.4* | 11.0 |
| PedsQL | ||||||||
| Physical functioning | 92.7 | 10.1 | 91.4 | 11.4 | 93.1 | 11.8 | 92.8 | 10.2 |
| Emotional functioning | 86.7 | 16.9 | 85.0 | 19.3 | 89.8 | 15.5 | 86.4* | 18.4 |
| Social functioning | 92.1 | 14.8 | 92.4 | 15.9 | 94.1 | 14.0 | 92.4 | 14.8 |
| School functioning | 90.2 | 12.5 | 91.1 | 13.7 | 89.5 | 13.9 | 87.7 | 15.0 |
* Statistically significant difference (p < 0.05) of mean scores noted between boys and girls in each age group by t test
aPercentage of all respondents
bPercentage of respondents without missing values
cPercentage of subjects with chronic illness