Many previous studies have established that a sedentary lifestyle is associated with the risks of disease incidence as well as mortality (1-3). In fact, the World Health Organization (WHO) considered physical inactivity as a leading factor for global mortality (4). In 2013, the WHO proposed the Global Action Plan [2013–2020], aiming to prevent and control noncommunicable diseases; one of the targets is to reduce 10% of relative prevalence of insufficient physical activity by 2025 (5). This is in consideration of the threat from physical inactivity as well as a high prevalence of physical inactivity and sedentary behaviors (6,7), but also in addition to strong evidence suggesting that the risks of incidence (8) and mortality (9,10) can be reduced by decreasing sedentary time especially when physical activity is improved.
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