Active trachoma in relation to socio-demographic, sanitary and environmental characteristics in Ankober, Ethiopia, July 2007.

†Fly-eye is defined as contact with the eyelid margin or tissue internal to the lid margin during the time taken to prepare for examination and examine the child. *A child's clean face was defined as the absence of ocular and nasal secretions on the face. **Separate models for demographic, socioeconomic, sanitary, and environmental risk factors were used for analysis. Each variable is adjusted for age and other covariates in the model. **Corrected to account for clustering within children living in the same Kebele