Table 2.

Population characteristics for the incident MS population (2011–2020) at the time of their first MS diagnosis

Stratified by if the persons were included in the MS register or not. Values are shown as number (percent), mean (standard deviation), or median (interquartile range). Differences between the two groups expressed as standardized mean differences (SMD). For the weighted population, the groups were made comparable by overlap weighting based on age at the time of first MS diagnosis. *Income for those with any income