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<p>Despite American Heart Association, European Society of Cardiology and World Health Organization (AHA/ESC/WHO) guidelines uniformly recommending 150 min week<sup>−1</sup> of moderate-to-vigorous physical activity (MVPA) for both sexes, a substantial ‘gender gap’ persists in exercise capacity and guideline adherence, and its impact on coronary heart disease (CHD) development and prognosis remains underexplored. Here we analyzed the accelerometer-measured MVPA of 80,243 CHD-free participants to assess CHD incidence and 5,169 patients with CHD to evaluate all-cause mortality. Compared with non-adherent counterparts, guideline-adherent participants showed a 22% lower CHD risk in female individuals (hereinafter referred to as females) and a 17% lower CHD risk in male individuals (hereinafter referred to as males; (<i>P</i><sub>interaction</sub> = 0.009). Notably, females achieved a CHD risk reduction of 30% (hazard ratio (HR) = 0.70) with 250 min week<sup>−1</sup> of MVPA, whereas males required 530 min week<sup>−1</sup> for comparable benefits. Among patients with CHD, active females experienced greater mortality risk reduction than males (HR = 0.30 versus 0.81; <i>P</i><sub>interaction</sub> = 0.004). Similar sex differences were observed when analyzing guideline-adhering days (<i>P</i><sub>interaction</sub> &lt; 0.05). Our findings underscore the value of sex-specific tailored CHD prevention strategies using wearable devices, which may help bridge the ‘gender gap’ by motivating females to engage in physical activity.</p>

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Sex differences in the association of wearable accelerometer-derived physical activity with coronary heart disease incidence and mortality

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年10月27日

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  • Jiajin Chen,
  • Yuliang Wang,
  • Zihang Zhong,
  • Xin Chen,
  • Le Zhang,
  • Lingjun Jie,
  • Yangyang Zhang,
  • Yan Wang

摘要

Despite American Heart Association, European Society of Cardiology and World Health Organization (AHA/ESC/WHO) guidelines uniformly recommending 150 min week−1 of moderate-to-vigorous physical activity (MVPA) for both sexes, a substantial ‘gender gap’ persists in exercise capacity and guideline adherence, and its impact on coronary heart disease (CHD) development and prognosis remains underexplored. Here we analyzed the accelerometer-measured MVPA of 80,243 CHD-free participants to assess CHD incidence and 5,169 patients with CHD to evaluate all-cause mortality. Compared with non-adherent counterparts, guideline-adherent participants showed a 22% lower CHD risk in female individuals (hereinafter referred to as females) and a 17% lower CHD risk in male individuals (hereinafter referred to as males; (Pinteraction = 0.009). Notably, females achieved a CHD risk reduction of 30% (hazard ratio (HR) = 0.70) with 250 min week−1 of MVPA, whereas males required 530 min week−1 for comparable benefits. Among patients with CHD, active females experienced greater mortality risk reduction than males (HR = 0.30 versus 0.81; Pinteraction = 0.004). Similar sex differences were observed when analyzing guideline-adhering days (Pinteraction < 0.05). Our findings underscore the value of sex-specific tailored CHD prevention strategies using wearable devices, which may help bridge the ‘gender gap’ by motivating females to engage in physical activity.