Fig. 2
From: Associations between parenthood and dementia in men and women: biology or confounding?
Associations between age at first birth and overall dementia for men and women, 1994–2017, Denmark. Hazard ratios with 95% confidence intervals compare the risks of dementia among women (red) and men (blue) with different ages at first childbirth. All hazard ratios are adjusted for birth year (5-year intervals), cardiovascular disease, stroke, hypertension, chronic kidney disease and diabetes; age was the underlying time scale in the Cox model