Table 1 Sociodemographic data and prevalence of acute symptoms of the participating children and adolescents
Children (n = 1484) | Adolescents (n = 1508) | |||
|---|---|---|---|---|
Sociodemographic data | Prevalence n (%) | Prevalence n (%) | ||
Sex: male | 724 (48.9) | 731 (48.5) | ||
Age: 8-10 years respectively 13-15 years | 791 (53.3) | 963 (63.9) | ||
Level of education at least 12 years of schooling*/grammar school # | 939 (64.1) | 771 (51.4) | ||
Acute symptoms | Prevalence n (%) | Prevalence n (%) | ||
noon | evening | noon | evening | |
Headache | 257 (17.5) | 259 (17.6) | 401 (27.1) | 364 (24.4) |
Irritation | 210 (14.3) | 260 (17.7) | 346 (23.4) | 401 (26.9) |
Nervousness | 173 (11.8) | 225 (15.3) | 188 (12.7) | 226 (15.2) |
Dizziness | 116 (7.9) | 132 (9.0) | 240 (16.2) | 220 (14.8) |
Concentration problems | 295 (20.1) | 361 (24.5) | 429 (29.0) | 527 (35.5) |
Fatigue | 523 (35.7) | 868 (59.1) | 730 (49.4) | 1058 (71.0) |