Q3 1 Point The following graph is an excerpt from Chen Y, Glymour MM, Catalano R, et al. Excess Mortality in California During the Coronavirus Disease 2019 Pandemic, March to August 2020. JAMA Intern Med. 2021,181(5):705-707. The graph shows the weekly excess deaths per million for different groups of individuals in California during the pandemic. Thinking about the relationship between level of education and excess deaths per million individuals, which of the following could be a potential confounder? (check all that apply) Highest educational degree Race/ethnicity 120 120 High school/GED None 40 Some college 40 Weekly excess deaths College Weekly excess deat or higher March 7 May 2 June 27 August 22 March 7 May 2 June 27 August 22 Employment in a front line service job. Prevalence of pre-existing conditions. Size of the population. Introduction of SARS-COV-2 variants