Table 1 Head lice infestation in female primary school girls by socio- demographic characteristics in Bashagard County, southeast Iran
| Characteristics | Examinations (n) | infestations (%) | p-valuea |
|---|---|---|---|
| School grade(age) | 0.012 | ||
| I(7) | 50 | 50 | |
| II(8) | 52 | 57.7 | |
| III(9) | 43 | 81.4 | |
| IV(10) | 51 | 76.4 | |
| V(11) | 57 | 71.9 | |
| VI(12) | 47 | 68.1 | |
| Bathroom within the house | 0.038 | ||
| Yes | 186 | 60.7 | |
| No | 114 | 78.1 | |
| Frequency of hair washing per week | 0.021 | ||
| 1 | 211 | 72.9 | |
| 2 | 78 | 56.4 | |
| ≥ 3 | 11 | 27.2 | |
| Sharing articlesb | 0.043 | ||
| Yes | 170 | 71.7 | |
| No | 130 | 60 | |