I havent made the sewaholic pattern..but I love it.. If I were you, I would do my own back measurement and if the pattern is longer than what you want yours to be.. Just make it shorter.. [most patterns have a line on them for shortening or lengthening them..] Just adjust to your liking .that is what I always do.. I am long waistied , so I almost always have to lengthen my bodices..
Hope this helps.. Happy Sewing, Judy