Unravelling the relationship between exercise-induced affective responses and daily physical activity in people with chronic diseases: Spillover or confounding effect?

Although the last AR showed the strongest predictive value for MVPA, the differences in effect sizes did not reach statistical significance.

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First, some studies have found that the association between ARs and PA may not be significant once potential confounders, such as perceived exertion, have been considered (Williams et al., 2008 , 2012 ).

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