From: Mid- to late-life migraine diagnoses and risk of dementia: a national register-based follow-up study
Characteristics | No. of individuals | Dementia cases/person-years | HR (95% CI) | P value for interaction |
---|---|---|---|---|
Sex | 0.6a | |||
Men | ||||
Without migraine | 13,617 | 186/102,687 | 1.00 | |
With migraine | 2882 | 57/21,913 | 1.39 (1.03–1.88) | |
Women | ||||
Without migraine | 38,104 | 454/299,319 | 1.00 | |
With migraine | 7975 | 150/62,013 | 1.54 (1.28–1.86) | |
Educational level | 0.8b | |||
Low | ||||
Without migraine | 17,757 | 292/147,296 | 1.00 | |
With migraine | 3799 | 92/31,028 | 1.47 (1.16–1.87) | |
Medium | ||||
Without migraine | 20,366 | 229/159,620 | 1.00 | |
With migraine | 4173 | 72/32,484 | 1.45 (1.11–1.89) | |
High | ||||
Without migraine | 13,598 | 119/95,090 | 1.00 | |
With migraine | 2885 | 43/20,414 | 1.64 (1.16–2.33) |