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Towards a better understanding of the ‘physical activity paradox’: the need for a research agenda
British Journal of Sports Medicine ( IF 18.4 ) Pub Date : 2020-04-07 , DOI: 10.1136/bjsports-2019-101343
Pieter Coenen 1 , Maaike A Huysmans 2 , Andreas Holtermann 3, 4 , Niklas Krause 5 , Willem van Mechelen 2 , Leon M Straker 6 , Allard J van der Beek 2
Affiliation  

Several studies have suggested that a ‘physical activity (PA) paradox’ may exist—that is, the well documented beneficial health effects of leisure-time physical activity (LTPA) are not found for occupational physical activity (OPA). A BJSM editorial has outlined potential explanations for such a paradox.1 A recent systematic review has provided some empirical evidence that men, but not women, engaging in high (compared with low) level OPA have an 18% (95% CI 5% to 34%) increased risk of all-cause mortality.2 Nonetheless, the existence of this paradox has been questioned in a discussion paper by Professor Roy Shephard.3 Below we expand on three limitations this discussion paper raised and suggest a research agenda for generating more conclusive evidence regarding this paradox. The current evidence originated from certain regions including Scandinavia, Spain, Iran and Israel. It was suggested that this restricted geographical representation weakens the evidence. However, relatively good working conditions in western European and Scandinavian countries could attenuate the negative health effects of OPA. Studies from countries with higher work demands and/or higher environmental temperatures are likely to provide evidence for even larger negative health effects. Apart from physical work demands, other factors (eg, LTPA or socioeconomical gradients) may also vary between countries and may have an impact on the association between OPA and health. The restricted origin of evidence also raises the possibility …

中文翻译:

更好地理解“身体活动悖论”:研究议程的必要性

几项研究表明,可能存在“身体活动 (PA) 悖论”——也就是说,没有发现休闲时间身体活动 (LTPA) 对职业身体活动 (OPA) 的有益健康影响。BJSM 的一篇社论概述了对这种悖论的潜在解释。 1 最近的一项系统评价提供了一些经验证据表明,男性,而不是女性,从事高(与低)水平的 OPA 有 18%(95% CI 5% 至34%) 增加了全因死亡的风险。2 尽管如此,Roy Shephard 教授在一篇讨论论文中对这一悖论的存在提出了质疑。3 下面我们扩展了这篇讨论论文提出的三个局限性,并提出了一个研究议程,以产生更多关于这个悖论的确凿证据。目前的证据来自某些地区,包括斯堪的纳维亚半岛、西班牙、伊朗和以色列。有人认为,这种受限制的地域代表性削弱了证据。然而,西欧和斯堪的纳维亚国家相对较好的工作条件可以减轻 OPA 对健康的负面影响。来自工作要求更高和/或环境温度更高的国家的研究可能会为更大的负面健康影响提供证据。除了体力劳动需求之外,其他因素(例如,LTPA 或社会经济梯度)也可能因国家/地区而异,并可能对 OPA 与健康之间的关联产生影响。证据来源的限制也增加了这种可能性…… 然而,西欧和斯堪的纳维亚国家相对较好的工作条件可以减轻 OPA 对健康的负面影响。来自工作要求更高和/或环境温度更高的国家的研究可能会为更大的负面健康影响提供证据。除了体力劳动需求之外,其他因素(例如,LTPA 或社会经济梯度)也可能因国家/地区而异,并可能对 OPA 与健康之间的关联产生影响。证据来源的限制也增加了这种可能性…… 然而,西欧和斯堪的纳维亚国家相对较好的工作条件可以减轻 OPA 对健康的负面影响。来自工作要求更高和/或环境温度更高的国家的研究可能会为更大的负面健康影响提供证据。除了体力劳动需求之外,其他因素(例如,LTPA 或社会经济梯度)也可能因国家/地区而异,并可能对 OPA 与健康之间的关联产生影响。证据来源的限制也增加了这种可能性…… 除了体力劳动需求外,其他因素(例如 LTPA 或社会经济梯度)也可能因国家/地区而异,并可能对 OPA 与健康之间的关联产生影响。证据来源的限制也增加了这种可能性…… 除了体力劳动需求之外,其他因素(例如,LTPA 或社会经济梯度)也可能因国家/地区而异,并可能对 OPA 与健康之间的关联产生影响。证据来源的限制也增加了这种可能性……
更新日期:2020-04-07
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