The questionnaire was developed first in English and translated to local languages by an expert of both languages “Amharic” and “Afan Oromo” and then back to English to check for consistency of the translation. The questionnaire was adapted and modified in the local settings from formerly available studies [23–25], CDC [26, 27], and WHO guidelines [28].
Data were collected by interviewer-administered, structured, and pretested, questionnaires containing health professionals’ socio-demographic characteristics, compliance, and knowledge regarding COVID-19 preventive measures. To assure the data quality, data collection instruments were pretested on 5% of the total sample size, and to minimize over-reporting of compliance to COVID preventive measures, the questionnaire was also set in PK (practice and knowledge) order.
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