Fig. 1

Adjusted odds ratios (OR) and 95% confidence intervals (CI) for the association between the use of public transport and risk of SARS-CoV-2. ^aAdjusted for age (5-years categories, missing), calendar time (continuous) gender (men/women, missing) smoking habits (never, ever, missing), municipality (358 different, missing) income level per household (< 299,999, 300,000–599,999, 600,000–1,000,000, > 1,000,000 NOK, missing) fitness (very fit, fairly fit, in bad shape, missing), underlying medical condition (no, yes, missing). Likelihood ratio test comparing a model with the use of public transport before lockdown with a model with the use of public transport after lockdown p = 0.004