yes but to me and to my understanding it is not a deciding factor or 'contributing factor' so much as it is something that kind of puts more stuff in the pile of "more likely to develop a dissociative disorder" rather than "causes" it. being born premature does a bunch of things to you, and while for example it doesn't CAUSE you to have substance abuse problems, it puts you in a category of people who are more at risk for struggling with that