Diabetes & metabolism journal · 2025
Association between the Life's Essential 8 Health Behaviors Score and Mortality Risk in US Adults with Cardiovascular-Kidney-Metabolic Syndrome Stage 0-3.
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Zhang Junlin, Yin Limei, Liu Yuping, Xiao Xiang, Shuai Ping
Аннотация
BACKGROUND: The American Heart Association's novel cardiovascular-kidney-metabolic (CKM) syndrome framework underscores the interconnected pathophysiology of metabolic dysfunction, chronic kidney disease, and cardiovascular disease (CVD). While the Life's Essential 8 (LE8) has demonstrated strong associations with CVD risk in general populations, its prognostic relevance remains unexplored in individuals stratified by CKM syndrome stages.
METHODS: This study analyzed longitudinal data from the nationally representative National Health and Nutrition Examination Survey (2005-2018). The eight components of the LE8 metric-diet quality, physical activity, nicotine exposure, sleep health, body mass index, blood lipid profiles, glycemic status, and blood pressure-were systematically evaluated and scored on a 0-100 scale. A Cox proportional hazards regression model was implemented to assess associations between LE8 scores and all-cause mortality risk. Mortality outcomes were prospectively tracked through December 31, 2019, using linked mortality records from the National Center for Health Statistics.
RESULTS: Among 9,152 participants (mean age 45.08±0.29 years; 48.24% male), baseline CKM staging distributed as follows: stage 0 (12.08%, n=916), stage 1 (25.76%, n=2,162), stage 2 (60.02%, n=5,721), and stage 3 (2.14%, n=353). Unexpectedly, during a median follow-up of 7.92 years, the total LE8 score was not related with all-cause mortality in individuals with CKM stage 2-3 (P>0.05). However, fully adjusted analyses revealed a 22% and 13% decreased all-cause mortality risk per 10-points LE8 health behaviors score increment in CKM 0-1 (hazard ratio [HR], 0.78; 95% confidence interval [CI], 0.68 to 0.88) and CKM 2-3 (HR, 0.87; 95% CI, 0.81 to 0.93), respectively. Restricted cubic spline models confirmed a negative linear dose-response relationship between health behaviors score and all-cause mortality across all CKM stages 0-3.
CONCLUSION: This national cohort study establishes LE8 health behaviors score as a robust, linearly associated predictor of all-cause mortality in CKM syndrome populations, independent of disease stage severity. These findings advocate for integrating LE8 health behaviors score into routine metabolic-cardiovascular risk stratification protocols, particularly for early intervention in CKM stage 0-3 individuals.
METHODS: This study analyzed longitudinal data from the nationally representative National Health and Nutrition Examination Survey (2005-2018). The eight components of the LE8 metric-diet quality, physical activity, nicotine exposure, sleep health, body mass index, blood lipid profiles, glycemic status, and blood pressure-were systematically evaluated and scored on a 0-100 scale. A Cox proportional hazards regression model was implemented to assess associations between LE8 scores and all-cause mortality risk. Mortality outcomes were prospectively tracked through December 31, 2019, using linked mortality records from the National Center for Health Statistics.
RESULTS: Among 9,152 participants (mean age 45.08±0.29 years; 48.24% male), baseline CKM staging distributed as follows: stage 0 (12.08%, n=916), stage 1 (25.76%, n=2,162), stage 2 (60.02%, n=5,721), and stage 3 (2.14%, n=353). Unexpectedly, during a median follow-up of 7.92 years, the total LE8 score was not related with all-cause mortality in individuals with CKM stage 2-3 (P>0.05). However, fully adjusted analyses revealed a 22% and 13% decreased all-cause mortality risk per 10-points LE8 health behaviors score increment in CKM 0-1 (hazard ratio [HR], 0.78; 95% confidence interval [CI], 0.68 to 0.88) and CKM 2-3 (HR, 0.87; 95% CI, 0.81 to 0.93), respectively. Restricted cubic spline models confirmed a negative linear dose-response relationship between health behaviors score and all-cause mortality across all CKM stages 0-3.
CONCLUSION: This national cohort study establishes LE8 health behaviors score as a robust, linearly associated predictor of all-cause mortality in CKM syndrome populations, independent of disease stage severity. These findings advocate for integrating LE8 health behaviors score into routine metabolic-cardiovascular risk stratification protocols, particularly for early intervention in CKM stage 0-3 individuals.