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Methods
We randomly assigned 87 adolescents who were receiving treatment for depression to either 12 sessions of aerobic exercise at preferred intensity alongside treatment as usual or treatment as usual only.
Introduction
In summary, there appears to be some, albeit limited, evidence that exercise may improve depression scores in adolescents. Additionally, there is evidence to suggest that preferred (non-prescribed) intensity exercise may be an effective method of exercise delivery
Results
A statistically significant between group change from baseline of CDI-2 scores at six months in favour of the intervention was found (−4.81, 95 % CI −9.49, −0.12, p = 0.03).
Discussion
No effect on depressive symptoms was found at post-intervention, however a statistically significant effect on depressive symptoms was found at six-month follow-up in favour of the intervention.
Future Directions
Future research could use a higher/ larger number of participants and follow them for a longer period of time to see if exercise continues to improve depression symptoms in adolescents.
Difficult Material
Many things including the statistical analysis and some of the research terms were difficult to understand. It is difficult and very challenging to understand how the researchers determined whether the results were statistically significant.