thanks for the graphics, I wasn't accessing the study. i'm familiar with confidence intervals and p values but this is great for anyone who isn't.
the first year's plot looks within range, but the 72% point is a major change! something definitely happened with 13-24 year olds that year, but especially 13-17 year olds.
I see a definite occurrence that the suicide rates increased after those laws. and i'm wondering how we can be sure that it was because of the laws and not something else that happened around the same time?
i think that a reliable study reasonably isolates out other possible factors.
of what