Abstract
Background: Primordial prevention is an important way towards reducing risk of stroke with its associated health and economic burdens. So far, no study has shown how the recently updated American Heart Association’s cardiovascular health metrics, Life’s Essential 8 (LE8), relates to stroke events. Therefore, we sought to examine the association between LE8 and the risk of stroke among Finnish men. Methods: We employed the population-based Kuopio Ischaemic Heart Disease Risk Factor Study (KIHD) comprising men, aged 42 to 60 years, without pre-existing history of stroke at baseline. The LE8 was computed for 2614 men using AHA’s recently updated metrics. The LE8 includes four health behaviours (diet, physical activity, nicotine exposure, and sleep health) and four health factors (BMI, blood lipids, blood glucose and blood pressure). Each factor had points ranging from 0 to 100. Participants were classified into quartiles based on LE8 scores - Q1, ≤ 420; Q2, >420 to 485; Q3, >485 to 550; Q4, >550. Multivariable Cox regression models were used to estimate hazard ratios (HRs) and 95% confidence intervals (CIs) of LE8 scores for stroke event. Results: During a median follow-up of 26 years, 446 stroke events were recorded. The higher the LE8 scores, the more protection from future risk of stroke event. Thus, per quartile increase was associated with 26% lower risk of stroke (HR:0.74; 95%CI:0.68-0.82). Men within the 4 th quartile (Q4) of LE8 score had the highest protection (65%) from risk of stroke when compared with those within the 1 st quartile (Q1) (HR: 0.45; 95%CI:0.34-0.60). Conclusion: Life’s Essential 8 was strongly and inversely associated with the risk of stroke among middle-aged and ageing Finnish men. Measures that promote LE8 should be encouraged among the general population in Finland.
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