Table 1

Percentage (frequency) of total reviewed studies that showed beneficial effects of exercise interventions compared with a control intervention of depression symptoms

Comparison groupDepression symptoms
Compared with a wait list or no intervention3 43 49 100% (n=3 out of 3)3 43 49
Compared with a non-PA/exercise control group46–48 50 50% (n=2 out of 4)46 47 77–79
Compared with a second PA/exercise intervention43 44 49 (66%) (n=2 out of 3) high and moderate-intensity exercise decreased depression symptoms from preintervention to postintervention, more than a low-intensity exercise intervention.44 Moderate-to-vigorous-intensity exercise decreased depression compared with an intervention of unspecified intensity.80
  • PA, physical activity.