Variables associated with retention to MND–SMART
death
In our study sample, of the 21 individuals who were no longer MND–SMART participants at the 1-year timepoint, only 1 individual withdrew from the trial and the other 20 remained trial participants until their death. As only 1 individual had withdrawn, there was an insufficient sample size for statistical analyses.Instead we explored the characteristics of those who died during follow-up. Age of the participant was associated with them remaining in MND–SMART at the 1-year data collection timepoint, (OR = 0.93, 95% CI = 0.88–0.97, Region of onset was associated with remaining a participant in MND–SMART, 