The sample size was calculated using Raosoft online sample size calculator. The minimum required sample size was 366, with a margin of error 5%, 95% confidence level and 50% response distribution. HCWs were recruited by a non-probability convenience sampling technique, where participants were invited to participate through a web-link sent to their phones via Airdrop or WhatsApp. Consent to participate was provided electronically to those who agreed to participate.
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