At baseline, the intervention group had a total mean CSS score of 11.7 points (SD 4.05 points) and thecontrol group had a total mean CSS score of 11.5 points (SD 3.77 points). At week 24, the interventiongroup had a mean CSS score of 10.1 points (SD 4.10 points) and control group had a mean CSS score of11.1 points (SD 3.91 points). There was no significant mean difference in change of CSS score betweengroups at week 24 (–0.88 points, 95% CI –2.03 to 0.27 points; p = 0.1308).