Study period: October 2020 to March 2021 (Completed)
Inclusion Criteria: Age above 18 years old was included in the study.
Exclusion Criteria: Age below 18 years old and participants who refuse to give informed consent was excluded.
Sample Size: A sample size of 326 in each group (male-female, urban-rural) was calculated based on the estimated population prevalence of 26% the power of the study of 95% and 5% margin of error. Therefore 1304 was taken as a total sample.
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