However, there appeared to be a flattening of the inverse relationship at approximately 70 h/wk for CHD ( P non-linear = 0.01) and heart failure ( P non-linear = 0.06), despite of a borderline significance for heart failure possibly due to low number of cases.
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Beneficial effects of moderate to vigorous physical activity on cardiovascular disease among Chinese adults.
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The sentences
Increasing MVPA levels over the follow-up period was also related to reduced CVD risk of borderline significance (HR = 0.71, 95% CI: 0.50–1.00), while those reducing MVPA from physically active to physically inactive status had similar risk to those continually inactive (HR = 0.97, 95% CI: 0.74–1.26) ( Table 4 ). 4.