We estimated the number of confirmed COVID-19 times for every single step one,000 employed individuals on the a couple epidemic surf for each and every out-of the profession teams. elizabeth. a beneficial categorical changeable for instance the twenty two categories, one each field) and result ‘confirmed COVID-19′ (yes/no) using logistic regression by themselves for each and every of your swells and you will revealing chances ratios (OR). Then, we thought one to multiple prospective covariates get mistake this new relationship anywhere between occupation and you will wave-certain COVID-19 outcome, therefore we modified for the next covariates in around three multivariate logistic regression activities: (i) years and you may sex, (ii) ages, sex, country from delivery and you may mother’s nation out of birth (since alert might have been said to be like filled with immigrant organizations ) and (iii) years, sex, country regarding delivery, mom’s nation regarding beginning and marital standing.