Effect on psychological wellbeing
SE
We assessed changes in psychological wellbeing using GDS. When comparing the COMB group with the control group, the results suggested that there were no interaction effects from the GDS score at post-intervention and at the 6-month follow-up, but that such an effect became significant at the 12-month follow-up (T0 vs T3: Beta = -2.76, SE = 0.78, 