"Based on their sitting and moving habits, the team grouped participants into three categories with specific activity patterns: Prolonged Sitters spent much of the day in long, continuous bouts of sitting that lasted 30 minutes or more. Sitters took short breaks every 15 to 29 minutes. Movers rarely sat still for long, breaking up sedentary time frequently and logging the most light and moderate-to-vigorous physical activity (MVPA)."
"The Center for Epidemiologic Studies Depression Scale (CES-D) results followed a clear gradient. Prolonged Sitters reported the most depressive symptoms, Sitters scored lower, and Movers had the fewest. When researchers adjusted for confounding factors such as total sedentary time, the Movers' advantage narrowed. This suggests that the total number of minutes spent moving each day may be a stronger determinant of mental health than simply the frequency of sitting breaks."
521 adolescents aged 13–18 wore accelerometers and completed depression scales to link objective movement patterns with mood. Long uninterrupted sitting (≥30 minutes) correlated with higher CES-D scores. Participants clustered as Prolonged Sitters, Sitters, and Movers, with Prolonged Sitters showing the most depressive symptoms and Movers the fewest. Movers logged the most light activity and MVPA. Adjusting for total sedentary time reduced Movers' advantage, indicating total daily minutes of movement may matter more than break frequency. Interrupting 30+ minute sedentary bouts remained associated with meaningful mental health benefits. Two main pathways might explain the connection.
Read at Psychology Today
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