Table 2.

Mean difference of change in mean PSSS between the groups, standard deviation of the difference and threshold (Δ/2) for indication of effect of the between group difference. Further research is not recommended since the difference in score is lower than Δ/2.

	Mean differencea	SDEb	Δ/2
Baseline versus 12 weeks	3.0	8.86	7.29
Baseline versus 6 months	3.5	12.97	10.67

^aMean difference in score between the intervention group and control (see Table 1).

^bSDE, Standard deviation of effect estimates.