Table 1 Infected and non-infected cases among study group according to their different educational grade
School grade (age) | Negative cases | Positive cases Less than 5 Lice (Low) | Positive cases Between 5 and 10 nit and lice (Moderate) | Positive cases More than 10 lice (High) | Total |
|---|---|---|---|---|---|
Pre-school (6) | 59 (93.65%) | 2 (3.17%) | 0 (0.00%) | 2 (3.17%) | 63 |
Grade 1 (7) | 85 (92.39%) | 4 (4.35%) | 1 (1.09%) | 2 (2.17%) | 92 |
Grade 2 (8) | 90 (91.84%) | 4 (4.08%) | 2 (2.04%) | 2 (2.04%) | 98 |
Grade 3 (9) | 101 (90.18%) | 5 (4.46%) | 4 (3.57%) | 2 (1.79%) | 112 |
Grade 4 (10) | 103 (89.57%) | 8 (6.96%) | 3 (2.61%) | 1 (0.87%) | 115 |
Grade 5 (11) | 107 (93.86%) | 4 (3.51%) | 1 (0.88%) | 2 (1.75%) | 114 |
Total | 545 (91.75%) | 27 (4.55%) | 11 (1.85%) | 11 (1.85%) | 594 |