Key result
Female sex linked to ~40% higher odds of ideal cardiovascular health versus men.
Why the study?
Cardiovascular disease risk factor profiles and health behaviors differ by sex, but heterogeneity among women may affect comparisons of ideal cardiovascular health.
Cross-Sectional (n=1,561)
Effect estimate: OR 1.4 (95% CI 1.1-1.7)
p-value: p=<0.01
Heterogeneity among women significantly impacts sex-based comparisons of ideal cardiovascular health, highlighting the need to account for within-sex differences in population health studies.
Female heterogeneity cautions against uniform sex-based CVH comparisons; leaves open phenogroup-adjusted analyses in future studies.
Cardiovascular disease risk factor profiles and health behaviors are known to differ between women and men. Sex-based differences in ideal cardiovascular health were examined in the My Research Legacy study, which collected cardiovascular health and lifestyle data via Life's Simple 7 survey and digital health devices. As the study overenrolled women (n = 1251) compared to men (n = 310), we hypothesized that heterogeneity among women would affect comparisons of ideal cardiovascular health. We identified 2 phenogroups of women in our study cohort by cluster analysis. The phenogroups differed significantly across all 7 cardiovascular health and behavior domains (all p < 0.01) with women in phenogroup 1 having a lower Life's Simple 7 Health Score than those in phenogroup 2 (5.9 ± 1.3 vs. 7.6 ± 1.3, p < 0.01). Compared to men, women in phenogroup 1 had a higher burden of cardiovascular disease risk factors, exercised less, and had lower ideal cardiovascular health scores (p < 0.01). In contrast, women in phenogroup 2 had fewer cardiovascular risk factors but similar exercise habits and higher ideal cardiovascular health scores than men (p < 0.01). These findings suggest that heterogeneity among study participants should be examined when evaluating sex-based differences in ideal cardiovascular health.
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Leopold et al. (2021) conducted a cross-sectional in Cardiovascular health (n=1,561). Female sex vs. Male sex was evaluated on Ideal cardiovascular health score (OR 1.4, 95% CI 1.1-1.7, p=<0.01). Female sex was associated with higher odds of achieving an ideal cardiovascular health score compared to men (OR 1.4), though cluster analysis revealed significant heterogeneity among women.
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