Is physical activity associated with resting heart rate in boys and girls? A representative study controlled for confounders

Jornal de Pediatria (Vers?o em Português) Pub Date : 2020-03-01 DOI:10.1016/j.jpedp.2019.04.003

Edner F. Zanuto , Raphael M. Ritti‐Dias , William R. Tebar , Catarina C. Scarabottolo , Leandro D. Delfino , Juliano Casonatto , Luiz Carlos M. Vanderlei , Diego Giulliano Destro Christofaro

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Abstract

Objective

Investigate the relationship between different domains of physical activity and resting heart rate (RHR) in boys and girls.

Method

The sample included 1011 adolescents, aged between 10 and 17 years. RHR was measured by a heart rate monitor and physical activity was assessed in total and in three different domains (school, occupational, and sports practice) by a questionnaire. Anthropometry was directly obtained for body mass index and central fat. Ethnicity, sedentary behavior, and smoking habits were self‐reported and used to adjust the analysis, through hierarchical linear regression.

Results

Total physical activity was associated with low RHR in boys (β = −0.52; 95% CI: −0.92, −0.12) and girls (β = −0.67; 95% CI: −1.07, −0.28). Although sporting physical activities were associated with low RHR in both boys (β = −0.58; 95% CI: −1.05, −0.11) and girls (β = −0.87; 95% CI: −1.34, −0.39), occupational physical activity was related to low RHR only in boys (β = −1.56; 95% CI: −2.99, −0.14).

Conclusion

The practice of physical activity in the sport practice domain and total physical activity were related to low RHR in both sexes, while occupational physical activities were associated with RHR only in boys.

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体育活动与男孩和女孩的静息心率有关吗?一项有代表性的研究控制了混杂因素

目的探讨男孩和女孩不同体力活动领域与静息心率(RHR)的关系。方法选取10 ~ 17岁青少年1011名。RHR通过心率监测器测量，身体活动通过问卷调查在三个不同领域(学校、职业和体育实践)进行总体评估。人体测量直接获得身体质量指数和中心脂肪。种族、久坐行为和吸烟习惯是自我报告的，并通过层次线性回归来调整分析。结果总体力活动与男孩低RHR相关(β = - 0.52;95% CI: - 0.92， - 0.12)和女孩(β = - 0.67;95% ci:−1.07，−0.28)。尽管体育活动与两名男孩的低RHR相关(β = - 0.58;95% CI: - 1.05， - 0.11)和女孩(β = - 0.87;95% CI: - 1.34， - 0.39)，职业体力活动仅与男孩的低RHR相关(β = - 1.56;95% ci:−2.99，−0.14)。结论体育实践领域的体育活动和总体育活动与男女低RHR相关，而职业体育活动仅与男孩低RHR相关。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Jornal de Pediatria (Vers?o em Português)

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