At baseline, for the intervention group, the mean total NBDS was 7.6 points (SD 5.31 points) and forthe control group it was 8.6 points (SD 5.08 points). At week 24, the mean total NBDS was 7.4 points(SD 5.23 points) for the intervention group and 8.7 points (SD 5.70 points) for the control group. The meandifference in change of NBDS between groups was not statistically significantly different for the total score inour primary outcome measure at 24 weeks (–1.61 points, 95% CI –3.32 to 0.04 points; p = 0.0558).