I don't think the statistics for this line up as 'all,' but I wouldn't be surprised if there is a correlation.
One thing that I have found to be true, in all except for *one* case of homosexual individuals I have known, is that the individual had an *intensely* dysfunctional relationship with one of their parents in particular. Of course, I've known plenty of non-homosexual people who've had dysfunctional relationships with one parent in particular, but it seems to be the rule with homosexuals.
That one exception I know, I've not actually known well enough to know if that was the case or not.
This obviously isn't systemic statistical evidence, but it is suggestive. Much like how the Suspiciously Specific Denial regarding the 'gay gene' and how it Absolutely Exists even if it has never been located is often mentioned in the same breath or paragraph as 'abuse or sexual abuse is in no way tied to homosexuality!'