Funding for this research was provided by:
Text and Data Mining valid from 2018-12-01
Received: 7 September 2017
Accepted: 28 November 2018
First Online: 21 December 2018
: The authors UG, OA, and OAO are academic staff at the Federal University, Birnin Kebbi.SO is a medical doctor and National Professional Officer-Surveillance/State Coordinator at World Health Orgnization, Kebbi State Office, Nigeria.
: Ethical clearance for the study was obtained from the research and ethics committee of the Federal University, Birnin kebbi. The ethics committee approved the use of verbal consent obtained from respondents before the commencement of the survey. The need to obtain parental consent for respondents under age of 16 was further waived by the committee. In each of the community sampled, approval was first sought from the district and village heads (<i>mai-anguwar)</i> before the field work. During the field work, verbal consent was obtained from each respondent before administering the questionnaires.
: Not applicable
: The authors declare that they have no competing interests.
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