Fig. 1From: Perceived stress as a risk factor for peptic ulcers: a register-based cohort studyFlow chart from the 35,700 individuals who received the North Denmark Health Profile 2010. The North Denmark Health Profile 2010 was distributed to 35,700 individuals. Individuals who did not respond at all or did not respond to all included covariates were excluded. Final sample size for statistical analysis was 17,525Back to article page