Table 3.
Difference among age groups as to symptoms
| Symptoms | Mild | Moderate | Severe | Total |
|---|---|---|---|---|
| Age groups (year) | frequency (%) | frequency (%) | frequency (%) | frequency (%) |
| <10 | 89 (8.3) | 2 (9.5) | 3 (4.9) | 94 (8.2) |
| 10–19 | 168 (15.7) | 3 (14.3) | 9 (14.8) | 180 (15.6) |
| 20–29 | 355 (33.2) | 5 (23.8) | 22 (36.1) | 382 (33.2) |
| 30–39 | 165 (15.4) | 6 (28.6) | 8 (13.1) | 179 (15.6) |
| 40–49 | 116 (10.9) | 2 (9.5) | 10 (16.4) | 128 (11.1) |
| 50–50 | 92 (8.6) | 2 (9.5) | 2 (3.3) | 96 (8.3) |
| >60 | 84 (7.9) | 1 (4.8) | 7 (11.5) | 92 (7.9) |
| Total | 1069 (100) | 21 (100) | 61 (100) | 1151 (100) |
| Statistical test | χ 2 = 11.11 p = 0.677 | |||