That table seems to have some errors in the quoted percentages.
The authors state that 300 women developed MS during the follow-up period and the table reports 229 no abuse, 71 with abuse (=300 so it adds up).
But 56/300 is not 20%, 48/300 is not 17%, 20/300 is not 8%, 34/300 is not 13%, 22/300 is not 9%. What is going on?
This is indeed a paper that keeps on giving. Yes, for Table 2, all of the percentages for reports of various childhood abuses are wrong
Table 2 - total 300 women
Emotional abuse 56/300 = 18.7% not 20%
Humiliation 48/300 = 16.0% not 17%
Threat 20/300 = 6.7% not 8%
Sexual abuse 34/300 =11.3% not 13%
Physical abuse 22/300 = 7.3% not 9%
The percentages in the Supplementary Table 2 are also wrong
Supplementary Table 2 -total 397 women
Emotional abuse 71/397 = 17.9% not 19%
Humiliation 60/397 = 15.1% not 16%
Threat 26/397 = 6.5% not 8%
Sexual abuse 39/397 =9.8% not 11%
Physical abuse 28/397 = 7.1% not 8%
It's not just a matter of changing the denominator to another number i.e. changing the total of 397 women to 374 women produces the reported 19% for emotional abuse, but most of the other percentages are still wrong. There seems to be a significantly different denominator used for each abuse category e.g. 374 for Emotional Abuse and 355 for Sexual Abuse.
I can't think of a reason for that to be other than there has been a series of post hoc adjustments and the authors ended up quite muddled.