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<p>Time-restricted eating (TRE) and high-intensity interval training (HIIT) improve cardiometabolic health in individuals with overweight/obesity, with high adherence rates in supervised settings. Long-term maintenance of TRE and HIIT in real-world settings is unknown. In our previous TREHIIT trial, 131 women (body mass index (BMI) ≥ 27&#xa0;kg/m<sup>2</sup>) were randomized to 7 weeks of TRE (eating window 10-h/day), HIIT (3 sessions/week), a combination (TREHIIT), or no intervention (CON). We investigated self-reported continuation of TRE and/or HIIT after 2 years. Fifty-nine participants (39.0 years (standard deviation (SD) 6.1), BMI 30.7&#xa0;kg/m<sup>2</sup> (SD 4.2)) attended the follow-up. Of those who completed the 7-week TRE or HIIT intervention,&#xa0;46% maintained TRE and 45% continued HIIT for 2 years. There were no statistically significant (at <i>p</i> &lt; .01) between-group differences in cardiometabolic outcomes, but non-significant lower body mass in HIIT (-4.2&#xa0;kg, 95% confidence interval (CI), -7.7 to -0.7, <i>p</i> = .019) and visceral fat in TREHIIT (-18 cm<sup>2</sup>, CI, -33 to -4, <i>p</i> = .015) versus CON. After 2 years, HIIT and TREHIIT had ~ 4&#xa0;kg lower fat mass and ~ 20&#xa0;cm² lower visceral fat (both <i>p</i> &lt; .001) compared with baseline. A short-term TRE and HIIT intervention may promote long-term lifestyle changes and health benefits. Future studies should collect objective adherence data to understand long-term maintenance of TRE and HIIT.</p>

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Maintenance of time-restricted eating and high-intensity interval training in women with overweight/obesity 2 years after a randomized controlled trial

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  • 发表日期：

    2025年4月25日

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  • Kamilla L. Haganes,
  • John A. Hawley,
  • Stian Lydersen,
  • Trine Moholdt

摘要

Time-restricted eating (TRE) and high-intensity interval training (HIIT) improve cardiometabolic health in individuals with overweight/obesity, with high adherence rates in supervised settings. Long-term maintenance of TRE and HIIT in real-world settings is unknown. In our previous TREHIIT trial, 131 women (body mass index (BMI) ≥ 27 kg/m2) were randomized to 7 weeks of TRE (eating window 10-h/day), HIIT (3 sessions/week), a combination (TREHIIT), or no intervention (CON). We investigated self-reported continuation of TRE and/or HIIT after 2 years. Fifty-nine participants (39.0 years (standard deviation (SD) 6.1), BMI 30.7 kg/m2 (SD 4.2)) attended the follow-up. Of those who completed the 7-week TRE or HIIT intervention, 46% maintained TRE and 45% continued HIIT for 2 years. There were no statistically significant (at p < .01) between-group differences in cardiometabolic outcomes, but non-significant lower body mass in HIIT (-4.2 kg, 95% confidence interval (CI), -7.7 to -0.7, p = .019) and visceral fat in TREHIIT (-18 cm2, CI, -33 to -4, p = .015) versus CON. After 2 years, HIIT and TREHIIT had ~ 4 kg lower fat mass and ~ 20 cm² lower visceral fat (both p < .001) compared with baseline. A short-term TRE and HIIT intervention may promote long-term lifestyle changes and health benefits. Future studies should collect objective adherence data to understand long-term maintenance of TRE and HIIT.