Fig. 1From: Prevalence of risk behaviors and correlates of SARS-CoV-2 positivity among in-school contacts of confirmed cases in a Georgia school district in the pre-vaccine era, December 2020–January 2021Flowchart of participation among staff and students participating in an investigation on in-school transmission in a school district in Georgia, December 2020–January 2021. Participants were eligible for bivariate comparisons if they had a SARS-CoV-2 test result and the characteristics of their index case were known. Reasons for non-participation marked with an asterisk indicate participant refusal of survey and/or testBack to article page