Table 1.
Distribution of IOTN according to age and gender
| IOTN (DHC) | 16 years | 17 years | 18 years | 19 years | Males | Females | Total | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nr. | Nr. | Nr. | Nr. | Nr. | Nr. | Nr. | ||||||||
| (%) | (%) | (%) | (%) | (%) | (%) | (%) | ||||||||
| Grade 1 | 102 | (8.5) | 158 | (13.1) | 163 | (13.6) | 59 | (4.9) | 226 | (18.8) | 256 | (21.3) | 482 | (40.0) |
| Grade 2 | 71 | (5.9) | 122 | (10.1) | 134 | (11.2) | 56 | (4.7) | 192 | (16.0) | 191 | (15.9) | 383 | (32.0) |
| Grade 3 | 34 | (2.8) | 51 | (4.2) | 27 | (2.2) | 20 | (1.5) | 71 | (5.9) | 61 | (5.1) | 132 | (11.0) |
| Grade 4 | 47 | (3.9) | 67 | (5.6) | 47 | (3.9) | 31 | (2.6) | 109 | (9.1) | 83 | (6.9) | 192 | (16.2) |
| Grade 5 | 1 | (0.1) | 8 | (0.7) | 1 | (0.1) | 1 | (0.1) | 3 | (0.2) | 8 | (0.7) | 11 | (0.8) |
| Total | 255 | (21.2) | 406 | (32.7) | 372 | (31.0) | 167 | (13.8) | 601 | (50.0) | 599 | (49.9) | 1200 | (100) |
AGE - χ 2: 25.2; D.F.: 12; p-value: 0.014